{ "comparison_year": 2024, "evidence_types": { "estimated": "source or pipeline imputation/allocation", "metered": "explicitly measured", "modeled": "simulation or forecast", "reported": "filed or published inventory/accounting" }, "frame_version": "v1", "fuel_groups": [ { "code": "hydro", "label": "Hydro", "order": 1 }, { "code": "nuclear", "label": "Nuclear", "order": 2 }, { "code": "gas", "label": "Natural gas", "order": 3 }, { "code": "coal", "label": "Coal", "order": 4 }, { "code": "oil", "label": "Oil", "order": 5 }, { "code": "wind", "label": "Wind", "order": 6 }, { "code": "solar", "label": "Solar", "order": 7 }, { "code": "storage", "label": "Storage", "order": 8 }, { "code": "waste", "label": "Waste and biomass", "order": 9 }, { "code": "other", "label": "Other", "order": 10 }, { "code": "unknown", "label": "Unknown", "order": 11 } ], "hours_in_comparison_year": 8784, "location_qualities": { "invalid": "Coordinate outside valid range; plant remains in lists and search", "missing": "No coordinate in source; plant remains in lists and search", "source_reported": "Plant coordinate as harvested by PUDL from EIA-860; the source datum field is empty in this edition, coordinates treated as WGS84-equivalent for display" }, "maturities": [ "final", "provisional", "unknown" ], "methods": { "curated": "hand-entered or reviewed", "derived": "aggregated, harvested or computed from published values", "direct": "value as published" }, "metrics": { "ba_demand_annual_mwa": { "basis": "EIA-930 reported hourly demand over a calendar year (UTC) whose kept and left-out hours cover every hour, divided by the hours kept; every hour EIA marked with its own imputed value is left out and counted. The balancing authority's demand, which is not a utility's native load", "evidence": "reported", "label": "Demand, annual mean", "method": "derived", "precision": 1, "unit": "MWa" }, "bill_effective_average_cents_per_kwh": { "basis": "Schedule charges only. The computed case total divided by the case's kWh. A sheet price for one declared customer, not the realized average revenue per kWh that EIA-861 reports", "evidence": "modeled", "label": "Computed sheet price per kWh, fixed charge included", "method": "derived", "precision": 2, "unit": "cents/kWh" }, "bill_marginal_rate_usd_per_kwh": { "basis": "Schedule charges only. The rate of the highest tier the usage case reaches, summed over the sheet's per-kWh charges; exclusions not added", "evidence": "modeled", "label": "Sheet price of the last kWh used", "method": "derived", "precision": 6, "unit": "USD/kWh" }, "bill_marginal_rate_with_priced_adjustments_usd_per_kwh": { "basis": "The schedule's price for the last kWh used plus the per-kWh adjustments the same sheet prices at that kWh. Null when the sheet prices none", "evidence": "modeled", "label": "Sheet price of the last kWh used, with the per-kWh adjustments the sheet prices", "method": "derived", "precision": 6, "unit": "USD/kWh" }, "bill_total_usd": { "basis": "Schedule charges only. A declared usage case priced on the utility's published residential sheet: the fixed charge plus the energy charge by tier, each line rounded to the cent. The adjustment schedules and taxes the sheet names are listed as exclusions and not added. An illustrative customer, not a billing record", "evidence": "modeled", "label": "Computed bill on the published sheet", "method": "derived", "precision": 2, "unit": "USD" }, "bill_total_with_priced_adjustments_usd": { "basis": "The computed bill on the published sheet plus every adjustment, credit or charge the same sheet prints a price for, each line rounded to the cent. Those prices are as printed on the date the sheet was read and change on their own schedules. Items the sheet only names stay listed and unadded. Null when the sheet prices none; never a copy of the schedule total", "evidence": "modeled", "label": "Computed bill with the adjustments the sheet prices", "method": "derived", "precision": 2, "unit": "USD" }, "caidi_with_med": { "basis": "Published by EIA with the Schedule 3 data as SAIDI divided by SAIFI on the same basis; the form asks the utility for SAIDI and SAIFI only. Shown as published, never recomputed here", "evidence": "reported", "label": "CAIDI, major event days included", "method": "direct", "precision": 1, "unit": "minutes/interruption" }, "caidi_with_med_less_supply": { "basis": "Published by EIA with the Schedule 3 Part B data as SAIDI divided by SAIFI, both with loss-of-supply events removed; not a line on the form. Shown as published, never recomputed here", "evidence": "reported", "label": "CAIDI, major event days included, loss of supply removed", "method": "direct", "precision": 1, "unit": "minutes/interruption" }, "caidi_without_med": { "basis": "Published by EIA with the Schedule 3 data as SAIDI divided by SAIFI, both excluding major event days; not a line on the form. Shown as published, never recomputed here", "evidence": "reported", "label": "CAIDI, major event days excluded", "method": "direct", "precision": 1, "unit": "minutes/interruption" }, "capacity_factor": { "basis": "Net generation MWh / (operating nameplate MW x hours in year); only when every operating generator was operating before the year began and none retired during it", "evidence": "reported", "label": "Capacity factor", "method": "derived", "precision": 3, "unit": "fraction" }, "capacity_mw": { "basis": "Generator nameplate capacity as reported on EIA-860", "evidence": "reported", "label": "Nameplate capacity", "method": "derived", "precision": 1, "unit": "MW" }, "cca_allowance_value_usd": { "basis": "The utility's no-cost allocation for the year multiplied by the settlement price of the most recent quarterly Cap-and-Invest auction. An illustration of scale, not revenue received: a utility consigns only part of its allocation, the price changes every quarter, and the proceeds of any sale must go back to customers", "evidence": "reported", "label": "No-cost allowances at the last auction price", "method": "derived", "precision": 0, "unit": "USD" }, "cca_forecast_retail_load_mwh": { "basis": "Forecasted Retail Load in Ecology's allocation workbook: the load forecast the no-cost allowance allocation was computed from, taken from the utility's own filing (CEIP, IRP, supplemental forecast or BPA rate-case billing determinants). A forecast for one regulatory purpose, not a measurement of sales", "evidence": "modeled", "label": "Washington retail load, Ecology's allocation forecast", "method": "direct", "precision": 0, "unit": "MWh" }, "cca_no_cost_allowances_tco2e": { "basis": "Ecology's Electric Utility Allowance Allocation Schedule under WAC 173-446-230: allowances allocated at no cost to a CETA-obligated electric utility for the calendar year, one allowance = one metric ton of CO2 equivalent. An allocation computed from Ecology's forecast of the utility's Washington retail load and resource supply, not measured emissions and not a cap on the utility", "evidence": "reported", "label": "No-cost carbon allowances", "method": "direct", "precision": 0, "unit": "t CO2e" }, "cems_generators_monitored": { "basis": "Existing coal, gas, oil or waste generators of the plant (EIA-860 inventory year) that the EPA-EIA crosswalk links to a unit with CEMS rows; a steam turbine linked to several combustion turbines counts once", "evidence": "reported", "label": "Combustion generators linked to a monitored unit", "method": "derived", "precision": 0, "unit": "count" }, "cems_generators_total": { "basis": "Existing (operating, standby or out of service) generators whose resource group is coal, gas, oil or waste in the EIA-860 inventory year: the units that could be monitored", "evidence": "reported", "label": "Combustion generators at the plant", "method": "derived", "precision": 0, "unit": "count" }, "cems_gross_load_mwh": { "basis": "Sum over the year of each monitored unit's reported hourly gross load (MW) x operating time (h). A unit-reported quantity: a combined-cycle unit need not include its steam turbine, so this can be below EIA net generation", "evidence": "metered", "label": "Gross load of monitored units", "method": "derived", "precision": 0, "unit": "MWh" }, "cems_heat_input_mmbtu": { "basis": "Sum over the year of each monitored unit's reported hourly heat input", "evidence": "metered", "label": "Heat input of monitored units", "method": "derived", "precision": 0, "unit": "mmBtu" }, "cems_hours_with_operation": { "basis": "Calendar hours of the reporting year in which at least one monitored unit reported operating time; never above the hours in the year", "evidence": "metered", "label": "Hours in which a monitored unit ran", "method": "derived", "precision": 0, "unit": "count" }, "cems_measured_share": { "basis": "Operating unit-hours EPA flagged Measured divided by all operating unit-hours of the plant's monitored units; the rest were Substitute, Measured and Substitute, or another method code", "evidence": "metered", "label": "Share of operating unit-hours with measured CO2", "method": "derived", "precision": 4, "unit": "fraction" }, "cems_unit_operating_hours": { "basis": "Sum of reported operating time over the plant's monitored units: unit-hours, so it can exceed the hours in the year when several units ran", "evidence": "metered", "label": "Unit operating hours, monitored units", "method": "derived", "precision": 1, "unit": "h" }, "cems_units_monitored": { "basis": "Distinct EPA emissions units at the plant with rows in the reporting year; an EPA unit is a combustor or stack, not an EIA generator", "evidence": "reported", "label": "EPA emissions units with CEMS rows", "method": "derived", "precision": 0, "unit": "count" }, "co2_intensity_gross_t_per_mwh": { "basis": "Monitored-unit CO2 (tonnes) divided by the same units' reported gross load. Only where every combustion generator is monitored and the gross load is not below EIA net generation; gross, so lower than the net figure, and not comparable with it", "evidence": "metered", "label": "CO2 per MWh of gross load (unit-reported)", "method": "derived", "precision": 3, "unit": "t CO2/MWh" }, "co2_intensity_net_t_per_mwh": { "basis": "Monitored-unit CO2 (tonnes) divided by the plant's EIA-923 net generation for the same year. Only where every combustion generator is monitored, so numerator and denominator cover the same plant; comparable across such plants", "evidence": "metered", "label": "CO2 per MWh of net generation", "method": "derived", "precision": 3, "unit": "t CO2/MWh" }, "co2_mass_short_tons": { "basis": "The same sum in the unit EPA's files use (short tons); shown beside the metric figure so the conversion is visible", "evidence": "metered", "label": "CO2 mass, monitored units, as filed", "method": "derived", "precision": 0, "unit": "short tons CO2" }, "co2_mass_tonnes": { "basis": "Sum of hourly CO2 mass reported under 40 CFR Part 75 by the plant's EPA-monitored units over the reporting year, short tons x 0.90718474. Stack total of those units including any share attributable to steam sold; the plant's total only where every combustion generator is monitored", "evidence": "metered", "label": "CO2 mass, monitored units", "method": "derived", "precision": 0, "unit": "t CO2" }, "council_forecast_annual_energy": { "basis": "The Council's draft Ninth Plan frozen-efficiency forecast of annual energy for its own zone, future pathway, climate model and year, in average megawatts, the Total_Load column as printed; a planning input, not a utility's expectation", "evidence": "modeled", "label": "Council forecast annual energy", "method": "direct", "precision": 0, "unit": "MWa" }, "council_forecast_annual_energy_component": { "basis": "One component of the Council's draft Ninth Plan annual energy total for its own zone, future pathway, climate model and year, printed in the same row as the total (DC_Load, incremental data centres; H2_Load, hydrogen production); the total includes it and nothing is subtracted here", "evidence": "modeled", "label": "Council forecast annual energy, one component", "method": "direct", "precision": 0, "unit": "MWa" }, "council_forecast_annual_peak": { "basis": "The Council's draft Ninth Plan frozen-efficiency forecast of the single highest hour of load in the year for its own zone, future pathway and climate model, the Total_Load column as printed, with the hour as the workbook prints it", "evidence": "modeled", "label": "Council forecast annual peak", "method": "direct", "precision": 0, "unit": "MW" }, "council_forecast_annual_peak_component": { "basis": "One component of the Council's single-hour annual peak for its own zone, future pathway, climate model and year, at that peak hour, printed in the same row as the peak (DC_Load, incremental data centres); the peak workbooks print no hydrogen column", "evidence": "modeled", "label": "Council forecast annual peak, one component", "method": "direct", "precision": 0, "unit": "MW" }, "demand_mwa": { "basis": "EIA-930 reported hourly demand summed over the UTC month divided by the hours kept, leaving out every hour EIA marked with its own imputed value", "evidence": "reported", "label": "Demand, monthly mean", "method": "derived", "precision": 1, "unit": "MWa" }, "dg_available_hosting_capacity_mw": { "basis": "Additional distributed generation a feeder or transformer could accept. PGE does not publish it: its FAQ (January 16, 2026, pages 2–3) says a DG Ready feeder can accept up to 80% of its thermal rating absent other constraints, and that the map and its data \"do not provide the information necessary to quantify this amount\". Never derived here from net daytime minimum load, queued MW or a readiness flag", "evidence": "reported", "label": "Available hosting capacity", "method": "direct", "precision": 3, "unit": "MW" }, "dg_connected_mw": { "basis": "Aggregate nameplate rating of the inverter-based distributed generation connected to the feeder, small generation and net metering alike, as of the status date (user guide page 13)", "evidence": "reported", "label": "Distributed generation connected", "method": "direct", "precision": 3, "unit": "MW" }, "dg_feeder_peak_load_mva": { "basis": "The highest load PGE metered at or near the feeder breaker over its three-to-four-month measurement window, typically a summer peak (user guide page 12). Apparent power: not MW, never converted (no power factor is published) and not a thermal rating", "evidence": "metered", "label": "Feeder peak load", "method": "direct", "precision": 2, "unit": "MVA" }, "dg_feeder_voltage_kv": { "basis": "The feeder's nominal distribution voltage as PGE lists it (Feeder_Voltage_kV); PGE's feeders run from 11.1 kV to 34.5 kV (Distributed Generation Evaluation Map user guide, January 16, 2026, page 12)", "evidence": "reported", "label": "Feeder voltage", "method": "direct", "precision": 2, "unit": "kV" }, "dg_net_daytime_minimum_load_mw": { "basis": "The lowest daytime load PGE metered at or near the feeder breaker over one year, net of the generation already on the feeder; negative when generation exceeded load and power flowed back toward the substation (user guide page 13). PGE's screening proxy, which its guide says \"IS NOT hosting capacity\" (page 5). The service states no measurement window", "evidence": "metered", "label": "Net daytime minimum load", "method": "direct", "precision": 3, "unit": "MW" }, "dg_queued_mw": { "basis": "Aggregate nameplate rating of the qualifying facilities in PGE's interconnection queue for the feeder as of the status date, net metering excluded (user guide page 13). A dated queue snapshot: requests drop out and are restudied", "evidence": "reported", "label": "Distributed generation in queue", "method": "direct", "precision": 3, "unit": "MW" }, "disclosed_sales_mwh": { "basis": "Washington Fuel Mix Disclosure: total MWh across fuel categories for the claimant's Washington customers, including line losses, for the report year", "evidence": "reported", "label": "Washington retail sales disclosed", "method": "direct", "precision": 0, "unit": "MWh" }, "distributed_capacity_mw": { "basis": "Sum of EIA-861 utility-reported nameplate capacity over leaf technology classes, excluding storage and source rollup rows; utility x state grain; no locations; not part of the EIA-860 plant inventory", "evidence": "reported", "label": "Distributed generation capacity (net-metered + non-net-metered)", "method": "derived", "precision": 1, "unit": "MW" }, "distributed_storage_capacity_mw": { "basis": "EIA-861 storage technology classes (storage_pv, storage_nonpv, all_storage); power rating, kept separate from generation capacity", "evidence": "reported", "label": "Distributed storage capacity", "method": "derived", "precision": 1, "unit": "MW" }, "distributed_storage_energy_mwh": { "basis": "EIA-861 storage technology classes; usable energy as reported", "evidence": "reported", "label": "Distributed storage energy capacity", "method": "derived", "precision": 1, "unit": "MWh" }, "energy_storage_capacity_mwh": { "basis": "Reported nameplate energy capacity of storage", "evidence": "reported", "label": "Energy storage capacity", "method": "derived", "precision": 1, "unit": "MWh" }, "forecast_annual_energy_amw": { "basis": "The issuer's forecast of annual average energy for its stated geography, scenario and target year, on the basis the row states (native load, including losses, at planning weather); the value the issuer printed on its issue date", "evidence": "modeled", "label": "Expected annual energy", "method": "curated", "precision": 1, "unit": "MWa" }, "forecast_outcome": { "basis": "A value the issuer itself states for a target year that has passed, on the basis the row states; comparability with the forecast is stated per row", "evidence": "reported", "label": "Outcome the issuer reports", "method": "curated", "precision": 1, "unit": null }, "forecast_retail_sales_mwh": { "basis": "The issuer's forecast of calendar-year retail sales at the meter for its stated geography and scenario; a different quantity from native load", "evidence": "modeled", "label": "Expected retail sales", "method": "curated", "precision": 1, "unit": "MWh" }, "forecast_revision": { "basis": "A later vintage's expected value minus an earlier vintage's for the same scenario, geography, metric, unit and target year; a change in what the issuer expected, never a measured change in use", "evidence": "modeled", "label": "Revision between vintages", "method": "derived", "precision": 1, "unit": null }, "forecast_summer_peak_mw": { "basis": "The issuer's forecast of the summer peak of its stated geography for a target year, at the issuer's planning temperature; the month is on the row where the issuer names it", "evidence": "modeled", "label": "Expected summer peak", "method": "curated", "precision": 1, "unit": "MW" }, "forecast_winter_peak_mw": { "basis": "The issuer's forecast of the winter peak of its stated geography for a target year, at the issuer's planning temperature; the month is on the row where the issuer names it", "evidence": "modeled", "label": "Expected winter peak", "method": "curated", "precision": 1, "unit": "MW" }, "generator_count": { "basis": "Generator rows for the plant in the inventory year, any status", "evidence": "reported", "label": "Generators listed", "method": "derived", "precision": 0, "unit": "count" }, "generator_count_op": { "basis": "Generator rows with status code OP", "evidence": "reported", "label": "Operating generators", "method": "derived", "precision": 0, "unit": "count" }, "hifld_length_km": { "basis": "Sum of those HIFLD segments' lengths measured in the CONUS Albers projection (EPSG:5070)", "evidence": "reported", "label": "HIFLD drawn length", "method": "derived", "precision": 1, "unit": "km" }, "hifld_publisher_cover_km": { "basis": "Length of those HIFLD segments within 150 m of the utility's own drawn lines, in EPSG:5070; proximity, not identity", "evidence": "reported", "label": "HIFLD length within 150 m of the utility's layer", "method": "derived", "precision": 1, "unit": "km" }, "hifld_segments": { "basis": "HIFLD 2021 segments whose OWNER a reviewed crosswalk row links to the organization; the compilers' pieces, not circuits", "evidence": "reported", "label": "HIFLD segments", "method": "derived", "precision": 0, "unit": "count" }, "interchange_mwa": { "basis": "EIA-930 reported hourly total interchange (positive = export) summed over the UTC month divided by the hours kept, leaving out an hour EIA marked with its own imputed value when it is at least 1.5 times the largest unmarked magnitude of the authority's year", "evidence": "reported", "label": "Total interchange, monthly mean", "method": "derived", "precision": 1, "unit": "MWa" }, "latest_nameplate_mw_op": { "basis": "Sum of nameplate MW over generators whose current-valid EIA-860M workbook assertion has status OP; dated by the complete inventory edition; never added to the baseline aggregate", "evidence": "reported", "label": "Operating nameplate capacity, latest inventory", "method": "derived", "precision": 1, "unit": "MW" }, "latest_nameplate_mw_planned": { "basis": "Sum of nameplate MW over generators whose current-valid EIA-860M workbook assertion is a proposal or construction stage (P, L, T, U, V, OT, TS); a proposal is not a commitment and its date is a forecast", "evidence": "reported", "label": "Planned nameplate capacity, latest inventory", "method": "derived", "precision": 1, "unit": "MW" }, "latest_nameplate_mw_retired": { "basis": "Sum of nameplate MW over generators whose current-valid EIA-860M workbook assertion is retired, cancelled or indefinitely postponed (RE, CN, IP); retired is not demolished", "evidence": "reported", "label": "Retired or cancelled nameplate capacity, latest inventory", "method": "derived", "precision": 1, "unit": "MW" }, "line_planned_work_cost_usd": { "basis": "The estimate a BPA document or layer states for planned work that includes this line, for the scope it names (often other lines and substations too); never this line's cost alone. Nominal dollars; figures from different documents are kept apart, never added or reconciled", "evidence": "reported", "label": "Cost stated for planned work", "method": "curated", "precision": 0, "unit": "USD" }, "line_structures_published": { "basis": "Points in BPA's public structure layer under this line's operating name, counted on the stated date; BPA does not define their symbol codes", "evidence": "reported", "label": "Structure points BPA publishes", "method": "curated", "precision": 0, "unit": "count" }, "line_voltage_stated_kv": { "basis": "The kilovolts a BPA document states for this line, with its page; not read from the layer's unit-less VoltageMeas field", "evidence": "reported", "label": "Voltage as BPA writes it", "method": "curated", "precision": 0, "unit": "kV" }, "mw_entered_service_since_baseline": { "basis": "Nameplate MW of generators operating in the latest EIA-860M month that were not operating in the baseline inventory year", "evidence": "reported", "label": "Capacity that entered service since the baseline", "method": "derived", "precision": 1, "unit": "MW" }, "mw_retired_since_baseline": { "basis": "Baseline nameplate MW of generators whose latest EIA-860M status is retired, cancelled or indefinitely postponed but was not in the baseline inventory year", "evidence": "reported", "label": "Capacity retired or cancelled since the baseline", "method": "derived", "precision": 1, "unit": "MW" }, "named_load_announced": { "basis": "The figure a press release, agency release or utility restatement gives for the facility, in the announcer's own unit (area, dollars or power); a repeated announcement supersedes the earlier one and is never added to it", "evidence": "reported", "label": "Announced size, as announced", "method": "curated", "precision": 0, "unit": null }, "named_load_contracted_capacity": { "basis": "Capacity an executed agreement makes available or interconnection facilities are built to carry, as the public contract states it; not a request and not use", "evidence": "reported", "label": "Contracted capacity", "method": "curated", "precision": 0, "unit": null }, "named_load_forecast_energy": { "basis": "A utility's or regulator's forecast attributable to this facility alone, with the forecast's own vintage and geography; a class total that includes the facility is not this and is never combined with it", "evidence": "modeled", "label": "Forecast energy attributed to the facility", "method": "curated", "precision": 0, "unit": null }, "named_load_measured_use": { "basis": "Consumption the meter recorded over a stated period, as a public document states it; absent with a named holder where the utility bills it and nobody publishes it", "evidence": "metered", "label": "Metered use", "method": "curated", "precision": 0, "unit": null }, "named_load_minimum_billing_demand": { "basis": "The minimum demand the applicable tariff sheet or executed contract bills whether used or not, as the sheet prints it (kW, MW or percent of a contract demand); a floor on the bill, not the facility's demand", "evidence": "reported", "label": "Minimum billing demand", "method": "curated", "precision": 0, "unit": null }, "named_load_service_request": { "basis": "The load the customer asked the utility to serve, as the utility's filing or the regulator's record states it (a threshold or floor where the requested schedule is confidential); a request, not a meter reading", "evidence": "reported", "label": "Service requested from the utility", "method": "curated", "precision": 0, "unit": null }, "nameplate_mw_existing_not_operating": { "basis": "Sum of generator nameplate MW with status category existing and code other than OP (SB, OS, OA)", "evidence": "reported", "label": "Nameplate capacity, existing but not operating (standby / out of service)", "method": "derived", "precision": 1, "unit": "MW" }, "nameplate_mw_op": { "basis": "Sum of generator nameplate MW with operational status code OP in the inventory year; one row per generator; unscaled by ownership", "evidence": "reported", "label": "Nameplate capacity, operating generators", "method": "derived", "precision": 1, "unit": "MW" }, "nameplate_mw_proposed": { "basis": "Sum of generator nameplate MW with status category proposed (planned, under construction, cancelled and similar codes) as listed in the inventory year; a proposal is not a commitment", "evidence": "reported", "label": "Nameplate capacity, proposed generators", "method": "derived", "precision": 1, "unit": "MW" }, "nameplate_mw_retired": { "basis": "Sum of generator nameplate MW with status code RE as listed in the inventory year's file; not a complete retirement history", "evidence": "reported", "label": "Nameplate capacity, retired generators listed", "method": "derived", "precision": 1, "unit": "MW" }, "net_generation_mwa": { "basis": "EIA-930 reported hourly net generation summed over the UTC month divided by the hours kept, leaving out an hour EIA marked with its own imputed value when it is at least 1.5 times the largest unmarked magnitude of the authority's year", "evidence": "reported", "label": "Net generation, monthly mean", "method": "derived", "precision": 1, "unit": "MWa" }, "net_generation_mwh": { "basis": "Sum of EIA-923 annual net generation over the plant's unique prime-mover x energy-source rows; negative values (pumping, station use) retained", "evidence": "reported", "label": "Net generation", "method": "derived", "precision": 0, "unit": "MWh" }, "net_metering_capacity_mw": { "basis": "EIA-861 net metering schedule, leaf technology classes excluding storage", "evidence": "reported", "label": "Net-metered capacity", "method": "derived", "precision": 1, "unit": "MW" }, "net_metering_customers": { "basis": "EIA-861 net metering customer count over leaf technology classes; a customer with two technologies can be counted twice by the source", "evidence": "reported", "label": "Net-metered customers", "method": "derived", "precision": 0, "unit": "count" }, "net_metering_sold_to_utility_mwh": { "basis": "EIA-861 net metering schedule; export to the utility, not customer generation", "evidence": "reported", "label": "Energy sold back to the utility by net-metered customers", "method": "derived", "precision": 0, "unit": "MWh" }, "non_net_metering_capacity_mw": { "basis": "EIA-861 non-net-metering distributed generation schedule, leaf technology classes excluding storage", "evidence": "reported", "label": "Non-net-metered distributed capacity", "method": "derived", "precision": 1, "unit": "MW" }, "operated_nameplate_mw_op": { "basis": "Sum of operating generator nameplate MW at plants where this organization is the reported operator", "evidence": "reported", "label": "Operated nameplate capacity, operating generators", "method": "derived", "precision": 1, "unit": "MW" }, "operating_revenue_usd": { "basis": "FERC Form 1 Schedule 300 sales to ultimate consumers plus sales for resale, nominal dollars", "evidence": "reported", "label": "Electric operating revenue", "method": "derived", "precision": 0, "unit": "USD" }, "or_deq_delivered_mwh": { "basis": "Oregon DEQ Greenhouse Gas Reporting Program (OAR 340-215-0120): the MWh DEQ lists for the supplier's electricity delivered to Oregon end users in the year, from specified sources (at the busbar, or with DEQ's 2% transmission-loss factor) and unspecified purchases; for a multi-jurisdictional utility, its Oregon retail sales including losses. Not generation, and not Washington's retail-sales basis", "evidence": "reported", "label": "Electricity supplied to Oregon end users", "method": "direct", "precision": 0, "unit": "MWh" }, "or_deq_emission_intensity": { "basis": "Oregon DEQ's Emission Intensity column: the anthropogenic emissions it attributes to the supplier's Oregon deliveries divided by those MWh, as DEQ publishes it", "evidence": "estimated", "label": "Emission intensity DEQ reports", "method": "direct", "precision": 3, "unit": "t CO2e/MWh" }, "or_deq_emissions_tco2e": { "basis": "Oregon DEQ Greenhouse Gas Reporting Program: the anthropogenic emissions DEQ's reporting system computes for the electricity the supplier delivered to Oregon end users, each source's MWh times DEQ's emission factor (unspecified power 0.428 t CO2e/MWh; a multi-jurisdictional utility's system factor applied to its Oregon MWh). An attribution from emission factors, not a stack measurement, and not a compliance determination under ORS 469A.410", "evidence": "estimated", "label": "Emissions DEQ attributes to that electricity", "method": "direct", "precision": 0, "unit": "t CO2e" }, "owned_mw": { "basis": "Generator nameplate MW x ownership fraction, applied once per generator; operating generators only unless stated", "evidence": "reported", "label": "Owned nameplate capacity", "method": "derived", "precision": 1, "unit": "MW" }, "owned_nameplate_mw_op": { "basis": "Sum over operating generators of nameplate MW x this organization's ownership fraction (reported schedule or EIA-860 schedule-4 default)", "evidence": "reported", "label": "Owned nameplate capacity, operating generators", "method": "derived", "precision": 1, "unit": "MW" }, "ownership_exposure_mw": { "basis": "Sum over a plant's operating generators of nameplate MW x the direct owner's share x each stated hop share up the curated chain to this entity; computed only while every hop is stated; a share of the same physical MW as the direct owner's owned MW, never added to it", "evidence": "reported", "label": "Parent-attributed exposure", "method": "derived", "precision": 1, "unit": "MW" }, "ownership_unknown_residual_mw": { "basis": "Operating nameplate MW minus the exposure reaching every terminal entity of the curated chains: direct capacity with no established owner, unassigned direct fractions, and remainders where stated parent shares sum below one with no holder named", "evidence": "reported", "label": "Unknown residual", "method": "derived", "precision": 1, "unit": "MW" }, "path_ttc_mw": { "basis": "BPA's published TTC series for the path (mode over the 30-day OPI window) or the WECC path rating where BPA publishes none; a directional operating limit, not a sum of line ratings", "evidence": "reported", "label": "Total transfer capability", "method": "curated", "precision": 0, "unit": "MW" }, "plants_count": { "basis": "Published plants in scope", "evidence": "reported", "label": "Plants", "method": "derived", "precision": 0, "unit": "count" }, "policy_filed_mwh": { "basis": "What the utility itself reported for the period in MWh; the utility's account, not the issuing body's finding", "evidence": "reported", "label": "Achievement as filed by the utility (energy)", "method": "curated", "precision": 0, "unit": "MWh" }, "policy_filed_share": { "basis": "What the utility itself reported for the period, in percent or fraction of the basis named on the fact; the utility's account, not the issuing body's finding", "evidence": "reported", "label": "Achievement as filed by the utility (share)", "method": "curated", "precision": 1, "unit": "percent" }, "policy_target_mwh": { "basis": "A target in MWh as the statute, order or filing states it (conservation acquisition, eligible renewables); standing on the item says who set it", "evidence": "reported", "label": "Clean-energy obligation target (energy)", "method": "curated", "precision": 0, "unit": "MWh" }, "policy_target_share": { "basis": "A target as the statute, order or filing states it, in percent or fraction of the load or sales basis named on the fact; standing on the item says whether it is enacted, ordered, filed, proposed or compiled", "evidence": "reported", "label": "Clean-energy obligation target (share)", "method": "curated", "precision": 1, "unit": "percent" }, "project_cost_usd": { "basis": "The publisher's planning estimate for the project at publication (BPA GERP: nominal dollars as the layer carries it on the bundle, which does not say what it covers; BPA's summaries can state it for a group of projects); not a budget, contract or actual", "evidence": "reported", "label": "Estimated cost", "method": "direct", "precision": 0, "unit": "USD" }, "project_interconnection_mw": { "basis": "BPA queue Max Summer Interconnection Service MW: the service the requestor asked for, which can differ from nameplate", "evidence": "reported", "label": "Maximum summer interconnection service requested", "method": "direct", "precision": 1, "unit": "MW" }, "project_nameplate_mw": { "basis": "The figure the issuing record states for the project (BPA queue Nameplate MW Total; EFSEC facility page); a proposal, not operating capacity", "evidence": "reported", "label": "Project nameplate capacity as stated", "method": "direct", "precision": 1, "unit": "MW" }, "purchased_power_mwh": { "basis": "FERC Form 1 Schedule 326 purchased MWh over named sellers (purchased_mwh through 2020, purchased other than storage from 2021)", "evidence": "reported", "label": "Purchased power, energy", "method": "derived", "precision": 0, "unit": "MWh" }, "purchased_power_usd": { "basis": "FERC Form 1 Schedule 326 total settlement over named sellers (adjustment rows excluded), nominal dollars for the report year", "evidence": "reported", "label": "Purchased power, settlements", "method": "derived", "precision": 0, "unit": "USD" }, "queue_days_to_agreement_median": { "basis": "Median over cohort requests carrying both the request date and an agreement date, as the source publishes them; an agreement is not operation; null under 5 such requests", "evidence": "reported", "label": "Days from request to interconnection agreement, median", "method": "derived", "precision": 0, "unit": "days" }, "queue_days_to_agreement_p25": { "basis": "25th percentile (inclusive linear interpolation) over the same requests as the median", "evidence": "reported", "label": "Days from request to interconnection agreement, lower quartile", "method": "derived", "precision": 0, "unit": "days" }, "queue_days_to_agreement_p75": { "basis": "75th percentile (inclusive linear interpolation) over the same requests as the median", "evidence": "reported", "label": "Days from request to interconnection agreement, upper quartile", "method": "derived", "precision": 0, "unit": "days" }, "queue_days_to_operation_median": { "basis": "Median over cohort requests carrying both the request date and an in-service or energized date, as the source publishes them; null under 5 such requests", "evidence": "reported", "label": "Days from request to operation, median", "method": "derived", "precision": 0, "unit": "days" }, "queue_days_to_operation_p25": { "basis": "25th percentile (inclusive linear interpolation) over the same requests as the median", "evidence": "reported", "label": "Days from request to operation, lower quartile", "method": "derived", "precision": 0, "unit": "days" }, "queue_days_to_operation_p75": { "basis": "75th percentile (inclusive linear interpolation) over the same requests as the median", "evidence": "reported", "label": "Days from request to operation, upper quartile", "method": "derived", "precision": 0, "unit": "days" }, "queue_requested_mw": { "basis": "Sum of each request's stated MW within one source (LBNL: the request's mw_1 to mw_3; BPA: Nameplate MW Total); a requested figure, never operating capacity, and never added across sources", "evidence": "reported", "label": "MW requested in the cohort", "method": "derived", "precision": 1, "unit": "MW" }, "queue_requests": { "basis": "Generation interconnection requests the provider received in the cohort's request years, sited in WA, OR, ID or MT, counted once each within one source; requests, not projects or facilities", "evidence": "reported", "label": "Interconnection requests in the cohort", "method": "derived", "precision": 0, "unit": "count" }, "queue_unresolved_share": { "basis": "Requests whose outcome is active or suspended as of the source's observation cutoff, divided by the cohort's requests; unresolved, not failed", "evidence": "reported", "label": "Share of requests still active or suspended at the cutoff", "method": "derived", "precision": 3, "unit": "fraction" }, "reliability_customers": { "basis": "EIA-861 Schedule 3 Part B line 7 or Part C line 12: total number of customers used to calculate SAIDI and SAIFI on this schedule. Under IEEE 1366 a customer is a metered service point with an active account; under another method the utility says whether inactive accounts are included. Not the retail customer count of Schedule 4", "evidence": "reported", "label": "Customers the indices are based on", "method": "direct", "precision": 0, "unit": "count" }, "reliability_distribution_voltage_kv": { "basis": "EIA-861 Schedule 3 Part B line 8 or Part C line 15: the highest voltage the utility considers part of its distribution system rather than the supply system; it sets which outages count as loss of supply", "evidence": "reported", "label": "Highest voltage counted as distribution", "method": "direct", "precision": 1, "unit": "kV" }, "reliability_peer_reporters": { "basis": "Utilities with a SAIDI or SAIFI value on the stated basis, in the stated state, under the stated part of EIA-861 Schedule 3, for the report year; each utility counted once", "evidence": "reported", "label": "Utilities reporting", "method": "derived", "precision": 0, "unit": "count" }, "retail_customers": { "basis": "EIA-861 customer count for the stated utility, state, class and service type; year-end", "evidence": "reported", "label": "Retail customers", "method": "direct", "precision": 0, "unit": "count" }, "retail_price_cents_per_kwh": { "basis": "revenue_usd / (sales_mwh x 10) over bundled (full-service) rows only; a realized average, not a tariff or marginal rate", "evidence": "reported", "label": "Average revenue per kWh sold", "method": "derived", "precision": 2, "unit": "cents/kWh" }, "retail_revenue_usd": { "basis": "EIA-861 revenue from electricity sold; nominal dollars of the report year", "evidence": "reported", "label": "Retail revenue", "method": "direct", "precision": 0, "unit": "USD" }, "retail_sales_annual_mwa": { "basis": "EIA-861 retail sales to ultimate customers summed over the utility's states and classes for the calendar year divided by the year's hours; sales at the meter, excluding losses", "evidence": "reported", "label": "Retail sales, annual mean", "method": "derived", "precision": 1, "unit": "MWa" }, "retail_sales_mwh": { "basis": "EIA-861 electricity sold to ultimate customers for the stated utility, state, customer class and service type; calendar year", "evidence": "reported", "label": "Retail sales", "method": "direct", "precision": 0, "unit": "MWh" }, "saidi_peer_max": { "basis": "Highest SAIDI value reported in the same group as the median; not published for fewer than five values", "evidence": "reported", "label": "SAIDI, highest reported", "method": "derived", "precision": 1, "unit": "minutes/customer/year" }, "saidi_peer_median": { "basis": "Median of the SAIDI values utilities reported on the stated basis, in the stated state, under the stated part of EIA-861 Schedule 3. Each utility counts once whatever its size, so this is not a customer-weighted state average; Part B and Part C values are never pooled; not published for fewer than five values", "evidence": "reported", "label": "SAIDI, median of reporting utilities", "method": "derived", "precision": 1, "unit": "minutes/customer/year" }, "saidi_peer_min": { "basis": "Lowest SAIDI value reported in the same group as the median; not published for fewer than five values", "evidence": "reported", "label": "SAIDI, lowest reported", "method": "derived", "precision": 1, "unit": "minutes/customer/year" }, "saidi_with_med": { "basis": "EIA-861 Schedule 3 Part B line 3 or Part C line 10, Including Major Event Days: customer-minutes of sustained interruption over the report year divided by customers served, as the utility calculates and reports it for the stated state under the stated method", "evidence": "reported", "label": "SAIDI, major event days included", "method": "direct", "precision": 1, "unit": "minutes/customer/year" }, "saidi_with_med_less_supply": { "basis": "EIA-861 Schedule 3 Part B line 4: SAIDI including major event days but excluding events initiated by a loss of supply from the high-voltage system. Part B (IEEE 1366) only; Part C has no such line", "evidence": "reported", "label": "SAIDI, major event days included, loss of supply removed", "method": "direct", "precision": 1, "unit": "minutes/customer/year" }, "saidi_without_med": { "basis": "EIA-861 Schedule 3 Part B line 3 or Part C line 10, Excluding Major Event Days: as above with the days the utility classed as major events left out; Part B respondents determine those days under IEEE 1366, Part C respondents under their own method", "evidence": "reported", "label": "SAIDI, major event days excluded", "method": "direct", "precision": 1, "unit": "minutes/customer/year" }, "saifi_peer_max": { "basis": "Highest SAIFI value reported in the same group as the median; not published for fewer than five values", "evidence": "reported", "label": "SAIFI, highest reported", "method": "derived", "precision": 2, "unit": "interruptions/customer/year" }, "saifi_peer_median": { "basis": "Median of the SAIFI values utilities reported on the stated basis, in the stated state, under the stated part of EIA-861 Schedule 3. Each utility counts once whatever its size; Part B and Part C values are never pooled; not published for fewer than five values", "evidence": "reported", "label": "SAIFI, median of reporting utilities", "method": "derived", "precision": 2, "unit": "interruptions/customer/year" }, "saifi_peer_min": { "basis": "Lowest SAIFI value reported in the same group as the median; not published for fewer than five values", "evidence": "reported", "label": "SAIFI, lowest reported", "method": "derived", "precision": 2, "unit": "interruptions/customer/year" }, "saifi_with_med": { "basis": "EIA-861 Schedule 3 Part B line 5 or Part C line 11, Including Major Event Days: customers interrupted over the report year divided by customers served, as the utility calculates and reports it for the stated state under the stated method", "evidence": "reported", "label": "SAIFI, major event days included", "method": "direct", "precision": 2, "unit": "interruptions/customer/year" }, "saifi_with_med_less_supply": { "basis": "EIA-861 Schedule 3 Part B line 6: SAIFI including major event days but excluding events initiated by a loss of supply from the high-voltage system. Part B (IEEE 1366) only", "evidence": "reported", "label": "SAIFI, major event days included, loss of supply removed", "method": "direct", "precision": 2, "unit": "interruptions/customer/year" }, "saifi_without_med": { "basis": "EIA-861 Schedule 3 Part B line 5 or Part C line 11, Excluding Major Event Days", "evidence": "reported", "label": "SAIFI, major event days excluded", "method": "direct", "precision": 2, "unit": "interruptions/customer/year" }, "storage_charge_mw_op": { "basis": "Sum of reported maximum charge rate MW (EIA-860 Schedule 3 Part B) over operating storage units that report it; batteries, flywheels and compressed air only", "evidence": "reported", "label": "Storage charge capacity, operating storage units", "method": "derived", "precision": 1, "unit": "MW" }, "storage_charged_mwh": { "basis": "EIA-923 Schedule 3 Part B energy consumed for pumping, compressing or charging, summed over the plant's storage prime movers for the calendar year", "evidence": "reported", "label": "Energy taken to charge", "method": "derived", "precision": 0, "unit": "MWh" }, "storage_discharged_mwh": { "basis": "EIA-923 Schedule 3 Part B gross generation of the plant's storage prime movers for the calendar year", "evidence": "reported", "label": "Energy discharged", "method": "derived", "precision": 0, "unit": "MWh" }, "storage_duration_h": { "basis": "Nameplate energy MWh divided by nameplate MW, only when every unit has energy capacity and a positive reported discharge rate agreeing with nameplate within 0.05 MW; a nameplate ratio, not usable state of charge", "evidence": "reported", "label": "Storage duration at full discharge", "method": "derived", "precision": 1, "unit": "h" }, "storage_mw_op": { "basis": "Sum of nameplate MW over operating generators whose prime mover is a storage technology (BA, PS, FW, CE, CP, ES); a discharge rating, counted as its own resource row, never merged with generation MW", "evidence": "reported", "label": "Storage discharge capacity, operating storage units", "method": "derived", "precision": 1, "unit": "MW" }, "storage_mwh_op": { "basis": "Sum of reported nameplate energy capacity MWh over operating storage units (EIA-860 line 34: batteries, flywheels, compressed air; null for pumped and thermal storage); unknown stays unknown", "evidence": "reported", "label": "Storage energy capacity, operating storage units", "method": "derived", "precision": 1, "unit": "MWh" }, "storage_net_mwh": { "basis": "Discharged minus charged as reported (EIA-923 net generation of the storage prime movers), signed; usually negative because charging exceeds output, not always", "evidence": "reported", "label": "Net storage output", "method": "derived", "precision": 0, "unit": "MWh" }, "storage_round_trip": { "basis": "Discharged MWh divided by charged MWh over a full calendar year with both terms reported every month; mixes state-of-charge carryover and testing months, so a description, not an efficiency rating", "evidence": "reported", "label": "Implied round-trip ratio", "method": "derived", "precision": 3, "unit": "fraction" }, "substation_lines": { "basis": "HIFLD LINES: number of transmission lines the compilers connected to the substation; a count of mapped lines, not a network model", "evidence": "reported", "label": "Lines connected", "method": "derived", "precision": 0, "unit": "count" }, "substation_max_kv": { "basis": "HIFLD MAX_VOLT as compiled (some values inferred by the compilers and flagged estimated)", "evidence": "reported", "label": "Highest voltage at the substation", "method": "derived", "precision": 0, "unit": "kV" }, "substation_min_kv": { "basis": "HIFLD MIN_VOLT as compiled", "evidence": "reported", "label": "Lowest voltage at the substation", "method": "derived", "precision": 0, "unit": "kV" }, "summer_capacity_mw": { "basis": "Reported or source-estimated net summer capability", "evidence": "reported", "label": "Net summer capacity", "method": "derived", "precision": 1, "unit": "MW" }, "supply_above_rhwm": { "basis": "BPA's forecast of the utility's load net of resources beyond its RHWM for the fiscal year; zero where BPA forecast the RHWM covers it", "evidence": "modeled", "label": "Load above the RHWM", "method": "direct", "precision": 3, "unit": "MWa" }, "supply_bill_rate": { "basis": "A price the utility itself prints for a BPA-named clause or credit of its residential schedule, in the unit printed (USD per kWh, day or month; a credit negative), as printed on the date read. Added to a computed bill only when the tariff sheet itself prints it", "evidence": "reported", "label": "BPA-named price on the residential bill", "method": "curated", "precision": 6, "unit": null }, "supply_cdq": { "basis": "A monthly demand amount in the utility's Regional Dialogue contract, as BPA's CDQ sheet states it from its effective date; not a measured peak and not energy", "evidence": "reported", "label": "Contract Demand Quantity", "method": "direct", "precision": 0, "unit": "kW" }, "supply_chwm": { "basis": "The utility's maximum eligibility for Tier 1 power under the contract named on the item, as BPA calculated it; not a current delivery right", "evidence": "reported", "label": "Contract High Water Mark", "method": "direct", "precision": 3, "unit": "MWa" }, "supply_disclosed_bpa_energy": { "basis": "Washington Fuel Mix Disclosure: the utility's Washington retail sales Commerce attributes to BPA's system mix, summed over fuel categories; an attribution of sales, not energy BPA delivered", "evidence": "reported", "label": "Sales attributed to BPA", "method": "derived", "precision": 0, "unit": "MWh" }, "supply_net_requirement": { "basis": "The utility's total retail load less new large single loads and existing resources, as BPA forecast or determined it for the fiscal year, in the item's own unit", "evidence": "modeled", "label": "Load net of resources", "method": "direct", "precision": 3, "unit": null }, "supply_purchase_cost": { "basis": "What the utility reports it paid BPA for power over the period, as printed in its own report; nominal dollars", "evidence": "reported", "label": "Power purchased from BPA", "method": "curated", "precision": 0, "unit": "USD" }, "supply_purchase_price": { "basis": "The utility's BPA dollars divided by its BPA energy for the same period, both from one document; derived, and never computed across periods or documents", "evidence": "reported", "label": "BPA purchases per MWh", "method": "derived", "precision": 1, "unit": "USD/MWh" }, "supply_purchased_energy": { "basis": "Energy the utility reports buying from BPA over the period, as printed in the same report as its dollars", "evidence": "reported", "label": "Energy purchased from BPA", "method": "curated", "precision": 0, "unit": "MWh" }, "supply_purchased_energy_mwa": { "basis": "Energy the utility reports receiving from BPA over the period as an average rate, as printed in the same report as its dollars; never multiplied by hours into MWh", "evidence": "reported", "label": "Energy purchased from BPA, average", "method": "curated", "precision": 1, "unit": "MWa" }, "supply_rhwm": { "basis": "The most the utility may buy at BPA's Tier 1 rate in each year of the rate period, as BPA's RHWM process set it; a cap on eligibility, not a delivery or a purchase", "evidence": "reported", "label": "Rate Period High Water Mark", "method": "direct", "precision": 3, "unit": "MWa" }, "utility_line_hifld_cover_km": { "basis": "Length of the utility's drawn segments within 150 m of any HIFLD 2021 segment the atlas carries, in EPSG:5070; proximity, not identity", "evidence": "reported", "label": "Drawn length within 150 m of HIFLD 2021", "method": "derived", "precision": 1, "unit": "km" }, "utility_line_length_km": { "basis": "Sum of the drawn segments' lengths measured in the CONUS Albers projection (EPSG:5070); not route, circuit or conductor length", "evidence": "reported", "label": "Drawn length", "method": "derived", "precision": 1, "unit": "km" }, "utility_line_segments": { "basis": "Features in the utility's own line layer at retrieval, as drawn; one named line or tap can span several segments", "evidence": "reported", "label": "Segments", "method": "derived", "precision": 0, "unit": "count" }, "voltage_kv": { "basis": "BPA field VoltageMeas read as kilovolts: the source declares no unit, but every line whose name states a kV figure carries that figure in the field and values fall on standard classes (validation check lines.voltage_unit_is_kv)", "evidence": "reported", "label": "Operating voltage", "method": "derived", "precision": 1, "unit": "kV" }, "voltage_raw": { "basis": "BPA field VoltageMeas retained as published; the source declares no unit, so no kV assertion is made", "evidence": "reported", "label": "Operating voltage (raw source value, unit not declared)", "method": "direct", "precision": 0, "unit": null }, "winter_capacity_mw": { "basis": "Reported or source-estimated net winter capability", "evidence": "reported", "label": "Net winter capacity", "method": "derived", "precision": 1, "unit": "MW" } }, "missing_states": { "basis_changed": "Not computed: the editions state this expectation on different bases, so both values stand and no difference is taken", "chart_only": "Chart only: the document labels this scenario and draws it, but prints no value by year", "flagged_imputed": "Replaced by the publisher: EIA published its own imputed value beside every reported hour here, and each report is left out under the rule for its measure", "gross_load_incomplete": "The monitored units' reported gross load is below the plant's net generation, so it does not cover every generator", "no_adjustment_priced_on_sheet": "The tariff sheet prices no adjustment to add", "no_cems_monitored_units": "No unit at this plant reports to EPA's continuous emissions monitoring programs", "no_open_proceeding": "No open proceeding found on the review date", "no_operating_hours": "No monitored unit reported an operating hour in the year", "no_source": "No public source found", "not_applicable": "Not applicable", "not_in_report": "Not in the report: the source's report format carries no field for this value", "not_published": "Not published: a named holder has the figure and has not published it", "not_reported": "Not reported", "not_yet_decided": "Not yet decided: the issuing body has the filing but has not ruled on it", "not_yet_filed": "Not yet filed: the filing that would carry this is not yet due or has been deferred by order", "not_yet_included": "Not yet included", "partial_monitoring": "Only some of the plant's units are monitored, so no plant total or intensity", "too_few_reporters": "Too few utilities reported to summarize", "too_few_requests": "Too few dated requests to summarize", "unsupported": "Not supported for this scope", "update_delayed": "Update delayed", "withheld": "Withheld by source" }, "notes": [ "MW is power (capacity); MWh is energy over a period; never summed across each other", "Totals come from tables, never from rendered map features", "Plant coordinates apply to the plant, not to individual turbines or inverters" ], "owner_types": { "C": { "consumer_owned": true, "label": "Cooperative" }, "COM": { "consumer_owned": false, "label": "Commercial" }, "F": { "consumer_owned": true, "label": "Federally-owned utility" }, "I": { "consumer_owned": false, "label": "Investor-owned utility" }, "IND": { "consumer_owned": false, "label": "Industrial" }, "M": { "consumer_owned": true, "label": "Municipally-owned utility" }, "P": { "consumer_owned": true, "label": "Political subdivision (e.g. public utility district)" }, "Q": { "consumer_owned": false, "label": "Independent power producer" }, "S": { "consumer_owned": true, "label": "State-owned utility" }, "not_reported": { "consumer_owned": null, "definition": "EIA-860 names the owner, but EIA's utility file gives it no entity type", "label": "Owner type not reported to EIA" } }, "ownership_bases": { "eia860_schedule4_default": "Generator absent from a complete Schedule 4 with ownership code S and known operator: wholly owned by the operator per EIA instructions (derived)", "reported_schedule": "EIA-860 Schedule 4 ownership rows", "unknown": "Ownership not established: proposed unit, missing ownership code, unknown operator, or incomplete schedule" }, "ownership_path_relations": { "fund_managed": "The parent is an investment fund, pension manager or fund vehicle; the share is as stated or null", "government": "The parent is a government or government body", "majority_owned": "The parent holds more than half of the child's equity, at the stated share", "minority_stake": "The parent holds less than half of the child's equity, at the stated share", "publicly_held": "The child's shares trade on a named exchange; the chain ends here", "subsidiary": "The filing states control without a percentage; the share is null and no MW is carried up", "wholly_owned_subsidiary": "The parent holds all of the child's equity, as the filing states" }, "ownership_path_terminals": { "curation_ends": "No parent row is curated above this entity; whether one exists is not established", "publicly_held": "The top of the chain is a listed company", "share_not_stated": "The filing names parents above this entity without a share, so the MW stays attributed here" }, "quality_statuses": [ "valid", "suspect", "missing", "withheld", "not_applicable", "unsupported" ], "schema_version": "1.41.0", "terms": [ { "definition": "A generating facility as EIA lists it: one location with one or more generators, an operator and a reported balancing authority. EIA-860 covers plants of 1 MW and more.", "id": "plant", "see": [ "generator", "operator", "balancing-authority" ], "term": "Plant" }, { "definition": "One unit inside a plant with its own nameplate capacity, technology, energy source, status and dates. EIA treats storage units as generators; the atlas gives storage its own resource group.", "id": "generator", "see": [ "nameplate-capacity", "resource" ], "term": "Generator" }, { "definition": "The rated maximum power of a generator in MW, as reported on EIA-860. A rating, not output. Plant and regional figures sum the operating generators once each, unscaled by ownership.", "id": "nameplate-capacity", "see": [ "net-generation", "capacity-factor", "operating" ], "term": "Nameplate capacity" }, { "definition": "Energy a plant delivered over a period in MWh after its own station use (EIA-923). Negative values are real: pumped storage and batteries draw more energy to charge than they return. Kept signed, never zeroed.", "id": "net-generation", "see": [ "nameplate-capacity", "capacity-factor", "storage" ], "term": "Net generation" }, { "definition": "Annual stack CO2 in metric tonnes that a plant's monitored units filed with EPA (Part 75 continuous emissions monitoring), shown on the map only where every combustion generator at the plant is monitored. A partly monitored plant carries its monitored units' mass on its own page and no map quantity; a thermal plant outside EPA's programme and a plant with no combustion unit carry a status, never zero. The sum of listed plants is what those plants filed, not a regional total or a carbon footprint.", "id": "reported-co2", "term": "Reported CO2" }, { "definition": "Net generation for the year divided by what the operating nameplate could have produced every hour of that year. Computed only when the operating fleet was unchanged across the year; otherwise \"not supported\".", "id": "capacity-factor", "see": [ "nameplate-capacity", "net-generation" ], "term": "Capacity factor" }, { "definition": "A generator with EIA status code OP in the inventory year. \"Operating plants only\" keeps plants with at least one such generator; standby, out-of-service, proposed and retired units are listed separately.", "id": "operating", "see": [ "inventory-year", "lifecycle" ], "term": "Operating" }, { "definition": "A record of something proposed, requested or sited that is not (yet) an operating plant: a BPA interconnection request, a plant EIA-860M lists after the baseline inventory, or an EFSEC siting case. Each keeps its source's own status and MW; one facility can appear under more than one record.", "id": "project", "see": [ "queue-request", "efsec-facility", "latest-inventory" ], "term": "Project" }, { "definition": "A request to a transmission provider for interconnection service, identified by the provider's request number: BPA's own workbook for BPA, and LBNL's Queued Up compilation for the other Northwest providers. It names a requestor, a county, a point of interconnection and the requested MW; it is not a plant, many requests can describe one facility, and most are withdrawn.", "id": "queue-request", "see": [ "project", "queue-outcome" ], "term": "Interconnection request" }, { "definition": "Where an interconnection request stands as of its source's cutoff, in one vocabulary mapped from each provider's own status text, which stays beside it: active, operational, withdrawn, suspended, decommissioned or unknown. An executed interconnection agreement is not operation, and a request still active or suspended at the cutoff is unresolved, not failed. Elapsed days run from the request date to a published milestone date and exist only where both dates do.", "id": "queue-outcome", "see": [ "queue-request", "lifecycle" ], "term": "Queue outcome" }, { "definition": "A facility reviewed by Washington's Energy Facility Site Evaluation Council, which recommends; the Governor approves or rejects. The atlas records each facility's stage, decision and stated MW from its EFSEC page and links it to an operating plant only where reviewed.", "id": "efsec-facility", "see": [ "project" ], "term": "EFSEC facility" }, { "definition": "The complete pinned EIA-860M workbook for the stated month: current-valid unit assertions beside the annual baseline. Missing units have unknown current state; historical rows are not carried forward. Shown as dated differences beside the baseline, never added into it (decision 49).", "id": "latest-inventory", "see": [ "inventory-year", "lifecycle" ], "term": "Latest inventory" }, { "definition": "EIA's status code for a unit: operating, standby, out of service, planned (several stages), under construction, cancelled, retired. The atlas shows the code and its label; a proposal is not a commitment and retired is not demolished.", "id": "lifecycle", "see": [ "operating" ], "term": "Lifecycle status" }, { "definition": "The energy source of a plant's operating generators, grouped: hydro, nuclear, natural gas, coal, oil, wind, solar, storage, waste and biomass, other. A plant with mixed units takes the group with the most operating capacity on the map and is split by unit in totals.", "id": "resource", "see": [ "storage" ], "term": "Resource" }, { "definition": "Batteries, pumped hydro and other systems that store electricity and return it later, identified by the unit's prime mover. Their own resource: discharge MW under capacity, signed net MWh (discharged minus charged) under generation. They store, they do not generate; a plant that also has other units is co-located storage.", "id": "storage", "see": [ "net-generation", "resource", "storage-duration" ], "term": "Storage" }, { "definition": "Nameplate energy capacity (MWh) divided by discharge capacity (MW): how many hours the unit could discharge at full power from full, on nameplate terms. Shown only when both are reported; pumped storage reports no energy capacity to EIA.", "id": "storage-duration", "see": [ "storage" ], "term": "Storage duration" }, { "definition": "Energy taken to charge (or pump), energy returned, and their signed difference over the year, from EIA-923. Net is usually negative because charging exceeds output; the implied round-trip ratio is a description of a full reported year, not an efficiency rating.", "id": "storage-charged", "see": [ "storage", "net-generation" ], "term": "Charged · discharged · net" }, { "definition": "The organization that keeps supply and demand in balance for the area a plant reports to, and reports that area's operations to EIA. An accounting boundary, not a wire to any customer and not a service territory.", "id": "balancing-authority", "see": [ "northwest-grid", "service-area" ], "term": "Balancing authority" }, { "definition": "The organization that runs a plant day to day, as reported to EIA. Not necessarily an owner, and not necessarily the utility that serves nearby customers.", "id": "operator", "see": [ "owner", "retail-seller" ], "term": "Operator" }, { "definition": "An organization holding a reported share of a generator. Owner totals apply each share once to the generator's nameplate MW. Ownership is not a supply relationship.", "id": "owner", "see": [ "ownership-basis", "operator", "parent-chain" ], "term": "Owner" }, { "definition": "How a generator's owners were established: from EIA-860's ownership schedule (reported), from EIA's rule that a unit absent from a complete schedule is wholly owned by its operator (derived), or unknown.", "id": "ownership-basis", "see": [ "owner" ], "term": "Ownership basis" }, { "definition": "The organizations above a direct owner, as the owner's own filing states them: a subsidiary's parent, that parent's parent, up to a listed company or the last entity the filing names. A share is published only where the filing gives a percentage or says wholly owned; a filing that states control without a percentage leaves the share null. Curated for reviewed plants only.", "id": "parent-chain", "see": [ "ownership-exposure", "owner" ], "term": "Parent chain" }, { "definition": "A parent's share of a plant's physical MW: nameplate MW x the direct owner's share x every stated share up the chain. Computed only while every hop is stated; where a share is missing the MW stays at the last stated entity. The same MW as the direct owner's, seen one level up, never added to it. The unknown residual is capacity minus what reaches a named entity.", "id": "ownership-exposure", "see": [ "parent-chain", "owner" ], "term": "Parent-attributed exposure" }, { "definition": "A utility that reported electricity sold to end customers in Washington, Oregon, Idaho or Montana on EIA-861. Selling retail is separate from operating or owning plants.", "id": "retail-seller", "see": [ "retail-price", "customer-class" ], "term": "Retail seller" }, { "definition": "EIA's classification of an organization: investor-owned utility, public utility district or other political subdivision, municipal utility, cooperative, federal, state, independent power producer, industrial, commercial. Always spelled out in the atlas.", "id": "owner-type", "see": [ "consumer-owned" ], "term": "Owner type" }, { "definition": "Utilities owned by the public they serve: municipal, cooperative, public utility district and other political subdivisions, state and federal. A grouping the atlas defines from EIA's owner types.", "id": "consumer-owned", "see": [ "owner-type" ], "term": "Consumer-owned" }, { "definition": "The atlas's reporting frame: an explicit configured list of balancing authorities whose plants form the frame population. Reached through search; the Region control uses states instead.", "id": "northwest-grid", "see": [ "balancing-authority", "located-in" ], "term": "Northwest grid" }, { "definition": "The state where a plant physically sits, from its EIA-860 coordinates and state field, whichever authority it reports to or utility serves the area. The Region control and state totals use this meaning.", "id": "located-in", "see": [ "northwest-grid", "service-area" ], "term": "Located in" }, { "definition": "An approximate retail service territory of a utility from a state reference layer. Orientation only: a polygon does not decide who serves an address or who buys a plant's output; overlaps and gaps are kept.", "id": "service-area", "see": [ "located-in", "balancing-authority" ], "term": "Service area" }, { "definition": "Customer-sited and small generation that utilities report in aggregate on EIA-861 (net-metered and non-net-metered), with no locations. A separate population from the plant inventory and never added to it.", "id": "distributed-generation", "see": [ "plant" ], "term": "Distributed generation" }, { "definition": "A utility's published first look at whether a distribution feeder can take more generation, such as rooftop or community solar: the loads it metered on the feeder, the generation already connected and queued, and its own readiness and generation-limited classifications, at one date. PGE publishes one twice a year. It is not available hosting capacity, not a study of any site and not an interconnection approval.", "id": "dg-screening", "see": [ "distributed-generation" ], "term": "Distributed-generation screening" }, { "definition": "The EIA-860 annual snapshot a capacity, status or ownership fact describes: status as of the end of that year. Snapshot facts carry no year on their card; the edition names it once.", "id": "inventory-year", "see": [ "comparison-year", "edition" ], "term": "Inventory year" }, { "definition": "The calendar year every energy, sales and revenue fact refers to, so entities compare on one basis. Calendar quantities carry the year on their card. New years enter through a validated release.", "id": "comparison-year", "see": [ "inventory-year", "edition" ], "term": "Comparison year" }, { "definition": "The pair of inventory year and comparison year the whole site is built on, stated once in the footer. The release identifier below it pins the exact data files.", "id": "edition", "see": [ "release" ], "term": "Edition" }, { "definition": "An immutable build of the data: pinned inputs, code and checks, with an identifier in every file. Each release keeps its numbers at a permanent address; frozen citation pages never change.", "id": "release", "see": [ "edition", "frozen-citation" ], "term": "Release" }, { "definition": "A plain HTML page per entity listing its facts with value, unit, period, evidence, quality and source locator as published in one release. Cite a fact by its fact id and the release id.", "id": "frozen-citation", "see": [ "release" ], "term": "Frozen citation" }, { "definition": "When filters narrow the atlas, the headline is the sum of the listed plants' published values at the same basis, with the published state totals beside it as context. Plants without a reported value are counted, never zero-filled.", "id": "listed-plants", "see": [ "nameplate-capacity", "net-generation" ], "term": "Listed plants" }, { "definition": "How a value was established. Reported: filed or published by the source. Estimated: an imputation or allocation by the source or the pipeline. Modeled: a simulation or forecast. Metered values are explicitly measured. Only the exceptions are badged.", "id": "evidence", "see": [ "method" ], "term": "Reported · estimated · modeled" }, { "definition": "How a value was processed: direct as published, derived by aggregation or computation from published values, curated by hand entry or review. Independent of evidence: a source's estimate stays estimated after import.", "id": "method", "see": [ "evidence" ], "term": "Direct · derived · curated" }, { "definition": "Quality: valid, suspect (partial coverage), missing, withheld, not applicable or unsupported. Maturity: final, provisional or unknown, from the source's own flags. A missing value is never a zero.", "id": "quality", "see": [ "evidence" ], "term": "Quality and maturity" }, { "definition": "Retail revenue divided by retail sales over bundled full-service rows, in cents per kilowatt-hour. A realized average for the year; not a tariff, a bill or a marginal price.", "id": "retail-price", "see": [ "retail-seller", "customer-class" ], "term": "Average revenue per kWh" }, { "definition": "EIA-861's grouping of retail customers: residential, commercial, industrial, transportation. Classes do not identify individual customers or data centers.", "id": "customer-class", "see": [ "retail-seller" ], "term": "Customer class" }, { "definition": "A small utility that files Form EIA-861S instead of the full EIA-861: one total per state for sales, revenue and customers, full service only, with no customer classes. The atlas shows those totals as filed and derives no average price from them, because an all-class figure would not compare with class prices elsewhere.", "id": "short-form", "see": [ "eia-861", "retail-seller" ], "term": "Short-form respondent" }, { "definition": "System Average Interruption Duration Index: the minutes of sustained interruption the average customer had over the year, customer-minutes interrupted divided by customers served. Each utility calculates and reports its own figure on EIA-861 Schedule 3, under the method it declares. A system average says nothing about one address.", "id": "saidi", "see": [ "saifi", "caidi", "major-event-days", "reliability-standard" ], "term": "SAIDI" }, { "definition": "System Average Interruption Frequency Index: how many sustained interruptions the average customer had over the year, customers interrupted divided by customers served, as the utility reports it on EIA-861 Schedule 3.", "id": "saifi", "see": [ "saidi", "caidi", "major-event-days" ], "term": "SAIFI" }, { "definition": "Customer Average Interruption Duration Index: minutes per sustained interruption, SAIDI divided by SAIFI on the same basis. EIA-861 asks utilities for SAIDI and SAIFI only; EIA publishes CAIDI with the data and the atlas shows it as published, never recomputed.", "id": "caidi", "see": [ "saidi", "saifi" ], "term": "CAIDI" }, { "definition": "Days a utility sets apart from normal operation: EIA describes them as events such as snowstorms, floods or heatwaves, or periods of outages that differ greatly from the utility's own five-year history. EIA-861 asks for the indices both with and without them. Part B respondents determine them under IEEE 1366; Part C respondents define a major event themselves. The two series answer different questions and are never blended.", "id": "major-event-days", "see": [ "saidi", "reliability-standard" ], "term": "Major event days" }, { "definition": "EIA-861 Schedule 3 has two parts. Part B is for utilities that calculate SAIDI and SAIFI and determine major event days under IEEE 1366-2003 or IEEE 1366-2012; Part C is for any other method, where the utility also states how it defines a momentary interruption and whether inactive accounts count as customers. Figures from the two parts are not comparable and the atlas never pools them; utilities under Part C do not share one method either.", "id": "reliability-standard", "see": [ "saidi", "major-event-days", "eia-861" ], "term": "Reliability reporting standard" }, { "definition": "EIA's code for the machine that drives a generator: hydraulic turbine, combustion turbine, steam turbine, photovoltaic, wind turbine, battery, pumped-storage turbine and others. Storage is identified from this code, not from the fuel code.", "id": "prime-mover", "see": [ "generator", "storage" ], "term": "Prime mover" }, { "definition": "EIA's fuel or energy code for a generator (water, natural gas, sunlight, wind, uranium and so on). The resource groups summarize these codes; the native code stays on the generator.", "id": "energy-source", "see": [ "resource" ], "term": "Energy source" }, { "definition": "A plant whose reported balancing authority is in the frame but whose location is far outside the region. Kept as reported, excluded from frame totals with a count of exclusions; never rewritten.", "id": "disputed-membership", "see": [ "northwest-grid" ], "term": "Disputed membership" }, { "definition": "Line geometry, names and operating voltage published by the Bonneville Power Administration's geospatial service. Voltage is drawn by class (500 kV and above, 345, 230, 115 to 161, and the DC intertie); the unit was established by reconciling the field with the kV figures in line names. No connectivity or power flow is shown.", "id": "bpa-lines", "see": [ "service-area", "voltage-class" ], "term": "BPA transmission lines" }, { "definition": "A line upgrade or substation project in the Bonneville Power Administration's Grid Expansion and Reinforcement Portfolio, published with a cycle, a status, an expected energization year and an estimated cost. A planning bundle, not a permit or a contract; the map draws it on the existing line it follows.", "id": "gerp", "term": "BPA grid expansion project", "unit": null }, { "definition": "Washington's annual statement of where each retail supplier's electricity came from, by fuel category, as the Department of Commerce computes it from the supplier's declared resources, BPA's system mix and unspecified purchases (RCW 19.29A). Shares are of Washington sales. A disclosed mix is an attribution for the year, not a measurement of what flowed on any wire, and the same plant can be claimed by several suppliers.", "id": "fuel-mix-disclosure", "term": "Fuel mix disclosure", "unit": null }, { "definition": "A price list a utility publishes for a class of customers, with an effective date, a basic charge and one or more energy charges, plus the adjustment schedules that ride on it. A regulated utility files it with its commission; a municipal or district utility adopts it by ordinance or resolution. The atlas lists the adjustment schedules a sheet names and never adds them in, because a bill depends on which ones are switched on. Revenue divided by sales, which EIA-861 reports, is a realized average over a past year and is a different number.", "id": "tariff", "see": [ "retail-price", "retail-seller" ], "term": "Tariff", "unit": null }, { "definition": "A declared usage case priced on a published tariff sheet: kWh in one bill, the days it covers, and where the sheet has them a service size, dwelling type or jurisdiction and a season. The total is the schedule's own charges: the fixed charge plus the energy charge by tier. Where the same sheet prints prices for named adjustments or credits, a second, separately labelled total adds them; those prices change on their own schedules. Whatever the sheet only names, such as a city tax, is listed and never added, so neither total is a complete bill. It is an illustration, not a billing record, and it is not the realized average revenue per kWh that EIA-861 reports.", "id": "computed-bill", "see": [ "tariff", "retail-price" ], "term": "Computed bill", "unit": "USD" }, { "definition": "Oregon DEQ's Greenhouse Gas Reporting Program: every utility and electricity service supplier serving Oregon end users reports the MWh it delivered to them by source, and DEQ computes the emissions from its own emission factors and publishes both per supplier (OAR 340-215-0120). Bonneville Power Administration purchases are their own category. A different basis from Washington's fuel mix disclosure, and not a compliance determination.", "id": "oregon-supplier-reporting", "see": [ "fuel-mix-disclosure" ], "term": "Oregon electricity supplier reporting", "unit": "MWh" }, { "definition": "A Climate Commitment Act emission allowance the Department of Ecology gives a CETA-obligated electric utility without charge, one allowance per metric ton of CO2 equivalent, so that the programme's cost does not fall on electricity customers (WAC 173-446-230). Ecology sets the yearly amount from its forecast of the utility's Washington retail load and resource supply, updated as the BPA emission factor changes; it is an allocation, not a measurement of emissions and not a cap on the utility. A utility may not sell or trade these allowances to other entities: it uses them for compliance, banks them, transfers them to an eligible generator or power marketing administration, or consigns them to a quarterly auction, and the proceeds must benefit customers.", "id": "no-cost-allowance", "see": [ "cap-and-invest", "fuel-mix-disclosure" ], "term": "No-cost allowance", "unit": "t CO2e" }, { "definition": "Washington's greenhouse gas programme under the Climate Commitment Act (RCW 70A.65): covered businesses, including electric utilities and fuel suppliers, must hold one allowance for each metric ton they emit or import, against a state cap that falls each year. Allowances are sold at quarterly auctions run by Ecology or given at no cost to utilities and trade-exposed industries. Compliance period 1 runs 2023 through 2026.", "id": "cap-and-invest", "see": [ "no-cost-allowance" ], "term": "Cap-and-invest", "unit": null }, { "definition": "The annual financial and operating report investor-owned utilities file with the Federal Energy Regulatory Commission: purchased power by seller, revenue by customer class, expenses, plant in service. Public power, cooperatives and BPA do not file it. Dollars are nominal for the report year; totals here never re-add the form's own subtotals.", "id": "ferc-form-1", "term": "FERC Form 1", "unit": null }, { "definition": "A payment relation between two named parties with a public amount: who paid whom, for what product, over what period, from which filing. Where the amount is not public the edge is shown without one and says which source was checked.", "id": "money-edge", "term": "Money edge", "unit": null }, { "definition": "Each balancing authority's hourly report of demand, net generation and interchange with its neighbours, filed with EIA within a day of the hour and revised later. Values are MWh per hour-ending UTC interval as reported; EIA's adjusted and imputed versions are kept beside them, never swapped in. A monthly mean here is the average over the hours the authority reported, with the share of hours covered shown. Where EIA publishes its own imputed value beside a report, it marks that report as replaced: every marked demand hour is left out and counted, and a marked net-generation or interchange hour is left out when it is at least 1.5 times the largest unmarked value of that authority and year; nothing is swapped in.", "id": "eia-930", "term": "EIA-930 hourly operations", "unit": null }, { "definition": "A cut plane BPA meters and publishes flows for: an intertie to a neighbouring system or a flowgate inside its grid. Drawn as the BPA lines that make up the cut where BPA names them; schematic between named substations otherwise. Its TTC is a directional operating limit for the whole path, never a rating of one line.", "id": "path", "term": "Transmission path", "unit": null }, { "definition": "Lines at 100 kV and above compiled by the federal HIFLD program from imagery and public maps between 2014 and 2021, with the owner and voltage the compilers recorded (voltage partly inferred). Shown where BPA does not publish its own line; a compiled position, not a network model.", "id": "hifld-lines", "term": "Compiled transmission lines", "unit": null }, { "definition": "A utility's own map of its transmission lines, drawn as the utility publishes it: approximate locations, dated to retrieval, by the line voltage it files (counted on its page, with status); a segment filed with no voltage is drawn as voltage not stated. Shown beside HIFLD's compiled lines, never in place of them; no capacity, rating, circuit or connectivity is stated.", "id": "utility-lines", "term": "Utility-published lines", "unit": null }, { "definition": "A facility that switches, transforms or regulates power at transmission voltage, as compiled by the HIFLD program in 2022 from imagery and public records; shown at 100 kV and above with the compilers' voltages. Line taps are not substations. No owner, connectivity or capacity is asserted.", "id": "substation", "see": [ "bpa-lines", "voltage-class" ], "term": "Substation" }, { "definition": "Transmission lines grouped by operating voltage: 500 kV and above carry bulk power between regions, 230 kV and 345 kV form the regional backbone, 115 to 161 kV serve subregional loads. Line width on the map follows the class; it says nothing about how much power flows.", "id": "voltage-class", "see": [ "bpa-lines" ], "term": "Voltage class" }, { "definition": "A plant whose respondent reported monthly values to EIA-923 in a given year. Only those plant-years get a monthly series; annual reporters' monthly values are EIA estimates and are not published as a curve.", "id": "monthly-reporter", "see": [ "net-generation" ], "term": "Monthly reporter" }, { "definition": "For every source and total: how many records were eligible, loaded, published and excluded, and why. Eligible counts the source's rows in scope; published counts those that reached the atlas.", "id": "coverage", "see": [ "quality" ], "term": "Coverage" }, { "definition": "The U.S. Energy Information Administration's annual survey of generators: plants, units, capacity, status, dates and ownership. The atlas reads it through PUDL.", "id": "eia-860", "see": [ "eia-923", "eia-861", "pudl" ], "term": "EIA-860" }, { "definition": "EIA's survey of power plant operations: generation and fuel by plant, prime mover and energy source, monthly or annual by respondent. The atlas's output facts come from it.", "id": "eia-923", "see": [ "eia-860", "monthly-reporter" ], "term": "EIA-923" }, { "definition": "EIA's annual survey of electric utilities: retail sales, customers and revenue by state and class, plus net-metered and other distributed generation and each utility's own reliability indices. The atlas's retail, distributed and reliability facts come from it.", "id": "eia-861", "see": [ "retail-seller", "distributed-generation", "saidi" ], "term": "EIA-861" }, { "definition": "Continuous emissions monitoring systems: the stack monitors and fuel-flow methods that units covered by EPA's programs under 40 CFR Part 75 use to report hourly CO2, heat input and gross load. Coverage is a program population (fossil units serving generators above 25 MW, with exemptions for pre-1990 simple-cycle turbines, qualifying cogenerators and small units), not every plant that burns fuel. A plant without CEMS rows is unmonitored, not zero.", "id": "cems", "see": [ "monitored-unit", "substitute-data", "gross-load" ], "term": "CEMS" }, { "definition": "An EPA emissions unit (a combustor or stack) with CEMS rows in the year, linked to EIA generators through the EPA-EIA crosswalk. A plant is fully monitored when every existing coal, gas, oil or waste generator is linked to one; otherwise its monitored CO2 is shown but never as the plant's total.", "id": "monitored-unit", "see": [ "cems", "generator" ], "term": "Monitored unit" }, { "definition": "Hours a unit filled under Part 75 missing-data procedures instead of a monitor reading; EPA flags each hour Measured, Substitute or Measured and Substitute. Substitute values are designed to err high. The atlas counts these hours, and a plant's CO2 fact is metered only when at least 99 percent of its operating unit-hours were measured.", "id": "substitute-data", "see": [ "cems" ], "term": "Substitute data" }, { "definition": "Electrical output the monitored unit itself reports each hour, before station use. EPA does not require a combined-cycle unit to include its steam turbine, so at some plants gross load is below EIA net generation; an intensity on gross load is published only where it is not.", "id": "gross-load", "see": [ "cems", "net-generation" ], "term": "Gross load" }, { "definition": "Five separate records of a clean-energy obligation, never merged: applicability (which statute reaches this utility and why), target (the figure as enacted or ordered, or as a filing or compilation restates it, with that standing marked), filed achievement (what the utility itself reported for a period), determination (what the issuing body decided about the filing, with its order number and date) and deciding event (the open proceeding, its next step and where to comment). A fuel-mix value is none of these, and a filing that restates a target does not enact it.", "id": "obligation-kinds", "see": [ "compliance-determination" ], "term": "Obligation kinds" }, { "definition": "The issuing body's decision on a utility's filing: for an investor-owned utility in Washington, a Utilities and Transportation Commission order; for a consumer-owned utility, its governing board's adoption with the State Auditor's examination. The utility's reported achievement is not one, nor is an agency's summary of it. Where none exists yet the atlas says so with the date it looked.", "id": "compliance-determination", "see": [ "obligation-kinds" ], "term": "Compliance determination" }, { "definition": "One facility whose electricity demand is discussed in public: a data center, a fab, a campus. Its dossier keeps six kinds of dated assertion apart and never adds them: what was announced (area or dollars, in the announcer's own unit), what was requested from the utility, the minimum the tariff or contract bills, what an executed agreement makes available, what a utility forecast attributes to it, and what its meter recorded. Most kinds are absent for most facilities; each absence names who holds the figure. A named figure is never added to a forecast that already includes the facility, and a supplier is never inferred from proximity.", "id": "named-load", "see": [ "tariff", "evidence" ], "term": "Named load" }, { "definition": "Public Utility Data Liberation, Catalyst Cooperative's cleaned and linked edition of EIA and FERC data. The atlas pins one PUDL release and cites the EIA forms behind each table.", "id": "pudl", "see": [ "eia-860", "release" ], "term": "PUDL" }, { "definition": "One issuer's expectation as of one issue date: a filed plan (draft or final) with its own scenarios, geography, units and planning weather. The expectations ledger keeps each vintage's value for a target year beside the next vintage's on the same basis. The difference between vintages is a revision of what the issuer expected, never a measured change in electricity use, and an observed outcome sits beside a forecast only where the two share a basis; otherwise it is published on its own basis with the reason and no difference.", "id": "forecast-vintage", "see": [ "evidence" ], "term": "Forecast vintage" }, { "definition": "The most power, in average megawatts, a BPA preference customer may buy at the Tier 1 rate in each year of a rate period, set in a BPA process before each rate period from the customer's Contract High Water Mark. A cap on eligibility, not a delivery, a purchase or a bill.", "id": "rhwm", "see": [ "chwm", "net-requirement" ], "term": "Rate Period High Water Mark" }, { "definition": "A BPA customer's maximum eligibility for power at the Tier 1 rate under its contract, in average megawatts. Regional Dialogue CHWMs date from 2011; the Provider of Choice CHWMs, calculated once in fiscal 2026 and published final on 2026-05-28, govern contracts delivering from October 2028. Not a current delivery right.", "id": "chwm", "see": [ "rhwm" ], "term": "Contract High Water Mark" }, { "definition": "A demand amount in kilowatts written into a BPA Regional Dialogue contract, one for each month of the year; BPA publishes the list with an effective date. Not a measured peak and not energy, and twelve months are never added.", "id": "cdq", "see": [ "load-following" ], "term": "Contract Demand Quantity" }, { "definition": "A BPA power product that meets the customer's retail load hour by hour, less the resources it dedicates to that load, rather than delivering a forecast annual amount as the Slice/Block product does.", "id": "load-following", "see": [ "slice-block", "net-requirement" ], "term": "Load Following" }, { "definition": "A BPA power product that delivers planned amounts rather than following the customer's load: a Block of fixed amounts together with a Slice, a share of the federal system's output. BPA's customer products list writes it Slice.", "id": "slice-block", "see": [ "load-following" ], "term": "Slice/Block" }, { "definition": "A BPA customer's load less new large single loads and the resources it dedicates to its load: the power BPA sells it under section 5(b) of the Northwest Power Act. BPA forecasts it in each RHWM process; a forecast is not a measurement.", "id": "net-requirement", "see": [ "rhwm", "load-following" ], "term": "Net requirement" }, { "definition": "The price CAISO's market sets for energy at one pricing node for one interval, in dollars per megawatt-hour, published on OASIS as a total with its energy, congestion and loss components (and a greenhouse-gas component in the day-ahead report). The day-ahead market prices each hour the day before; the real-time dispatch prices every five minutes. The two are different markets and are never averaged together. A price at a Northwest utility's Western EIM aggregation point is CAISO's price at that node: not a regional price, not what the utility paid, and not the Mid-Columbia bilateral index, which is ICE's.", "id": "lmp", "see": [ "balancing-authority", "evidence" ], "term": "Locational marginal price", "unit": "USD/MWh" } ], "units": { "MVA": { "definition": "Apparent power: voltage times current, including the reactive part that does no work. A feeder's peak load in MVA is not MW; converting it needs a power factor the source does not publish, so the atlas never converts it and never adds it to MW.", "label": "megavolt-ampere" }, "MW": { "definition": "Power: the rate at which electricity is produced or used at one instant. Nameplate capacity and storage charge or discharge ratings are MW. Never summed across time.", "label": "megawatt" }, "MWa": { "definition": "Energy over a stated period divided by the hours in it: a mean power. Planning documents use it for annual energy; the atlas labels the period whenever it appears.", "label": "average megawatt" }, "MWh": { "definition": "Energy: one megawatt sustained for one hour. Net generation, retail sales and storage energy capacity are MWh. Never summed across instants.", "label": "megawatt-hour" }, "MWh/yr": { "definition": "Energy over a year as a source states it. Not converted to MWa: a source that writes annual MWh is quoted in annual MWh.", "label": "megawatt-hours per year" }, "USD": { "definition": "Nominal dollars of the report year unless a base year is stated.", "label": "U.S. dollars" }, "USD/MWh": { "definition": "A wholesale market price: nominal dollars for one megawatt-hour of energy at a named pricing node for one interval, as the market operator published it. A price, never a quantity; an hourly day-ahead price and a five-minute real-time price are different prices and are never averaged together.", "label": "U.S. dollars per megawatt-hour" }, "USD/kWh": { "definition": "A price on a published tariff sheet, in the dollars the sheet prints. A sheet price, never revenue divided by sales.", "label": "U.S. dollars per kilowatt-hour" }, "cents/kWh": { "definition": "Dollars divided by energy, in cents. On a retail fact it is revenue divided by energy sold: a realized average price, never a tariff or a marginal rate. On a computed bill it is the case total divided by the case's kWh, and the fact says so.", "label": "cents per kilowatt-hour" }, "cfs": { "definition": "A rate of water flow through or past a dam. A rate, like MW: flows at different stamps are never summed into a volume here, and an hourly mean and a daily mean are different quantities.", "label": "cubic feet per second" }, "count": { "definition": "A number of records: plants, generators, customers or utilities as the source defines them.", "label": "count" }, "days": { "definition": "Elapsed calendar days between two dated milestones of the same interconnection request, from the provider's request date to the date the source publishes for the later milestone. Computed only when both dates are present; a missing date leaves it null, never 0.", "label": "day" }, "fraction": { "definition": "A ratio written as a decimal (0.25 is 25%); the denominator is stated on the fact. Ownership fractions and capacity factors are shares between 0 and 1; a reserve margin is a fraction above a named load and can be negative.", "label": "fraction" }, "ft": { "definition": "A reservoir or river elevation in feet above the vertical datum named beside it (NGVD29 for the federal Columbia projects). Not a depth and not a volume of water: equal changes in elevation hold different volumes at different pool levels.", "label": "foot" }, "h": { "definition": "Duration. Storage duration is nameplate energy MWh divided by discharge MW: how long the unit could discharge at full power from full, on nameplate terms.", "label": "hour" }, "interruptions/customer/year": { "definition": "SAIFI's unit: customers interrupted over the report year divided by customers served. EIA's data file calls it times per year.", "label": "interruptions per customer per year" }, "kV": { "definition": "Voltage of a transmission line or a distribution feeder. Only shown when the source states the unit; BPA's raw voltage field does not.", "label": "kilovolt" }, "kW": { "definition": "Power, one thousandth of a megawatt. Kept where a tariff sheet or contract prints kilowatts (a 20,000 kW minimum billing demand), never restated as MW on the fact.", "label": "kilowatt" }, "kcfs": { "definition": "A rate of water flow in thousands of cfs, the unit USACE's Dataquery serves flows in. Kept as served; where a view sets it on one axis with cfs flows it is multiplied by 1,000 (exact) and says so. Never summed across dams or stamps.", "label": "thousand cubic feet per second" }, "km": { "definition": "Length of drawn line geometry, measured in the CONUS Albers projection (EPSG:5070), within about 1% in the region. A sum of drawn segments is not a route, circuit or conductor length.", "label": "kilometre" }, "minutes/customer/year": { "definition": "SAIDI's unit: customer-minutes of sustained interruption over the report year divided by customers served, as the utility calculates it. An average over a whole system, not any one customer's outage time.", "label": "minutes of interruption per customer per year" }, "minutes/interruption": { "definition": "CAIDI's unit: SAIDI divided by SAIFI on the same basis, the average length of one sustained interruption.", "label": "minutes per interruption" }, "mmBtu": { "definition": "Heat input of the fuel burned, as the monitored unit reports it under Part 75.", "label": "million British thermal units" }, "percent": { "definition": "Per hundred, as a statute, order or filing states it; the basis (of retail load, of sales, of allocation) is on the fact. Kept as written rather than converted to a fraction so the figure reads as enacted.", "label": "percent" }, "short tons CO2": { "definition": "Mass of CO2 in U.S. short tons (2,000 lb), the unit EPA's Part 75 hourly emissions files use. The atlas keeps this figure as filed beside its metric conversion.", "label": "short tons of carbon dioxide" }, "sq ft": { "definition": "Floor or cleanroom area as a facility announcement states it. Not an electrical quantity and never converted to one: area does not measure demand.", "label": "square feet" }, "t CO2": { "definition": "Mass of CO2 in metric tonnes: short tons x 0.90718474. Stack CO2 of monitored units only; not CO2-equivalent, not lifecycle, and not a plant total where some units are unmonitored.", "label": "metric tonnes of carbon dioxide" }, "t CO2/MWh": { "definition": "CO2 mass divided by generation over the same year. The denominator is named on the fact: EIA-923 net generation, or the monitored units' own gross load. Computed only where every combustion generator of the plant is monitored.", "label": "tonnes of carbon dioxide per megawatt-hour" }, "t CO2e": { "definition": "Mass of greenhouse gas expressed as the mass of carbon dioxide with the same warming effect. One Climate Commitment Act allowance is one metric ton CO2e, so a count of allowances is stated in this unit. An allocation of allowances is a compliance instrument, not a measurement of what a utility emitted.", "label": "metric ton of carbon dioxide equivalent" }, "t CO2e/MWh": { "definition": "Greenhouse gas mass divided by energy over the same year, as the publisher computes it. Oregon DEQ's emission intensity is the anthropogenic emissions its reporting system attributes to a supplier's Oregon deliveries divided by those MWh: an attribution from emission factors, not a stack measurement.", "label": "metric tons of carbon dioxide equivalent per megawatt-hour" }, "years": { "definition": "A span of time as a count of years, such as the weighted average life a utility reports for its energy-efficiency measures. Not a date and not a rate.", "label": "years" } } }