Snohomish County, WA. Reports to the Bonneville Power Administration balancing authorityThe organization that balances electricity supply and demand in a reporting area.Definition ↗.
2024 inventory / 2024 calendar year
Sum of generator nameplate MW with operational status code OP in the inventory year; one row per generator; unscaled by ownership
2024 inventory · reported · derived · valid · final
0 of 0 operating generators included.
No generator with status OP in this inventory year
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=60016
Publisher & attribution ↗ Cite this released fact ↗Sum of EIA-923 annual net generation over the plant's unique prime-mover x energy-source rows; negative values (pumping, station use) retained
2024 calendar year · reported · derived · valid · final
1 of 1 plant x prime-mover x fuel rows included.
out_eia923__yearly_generation_fuel_combined.parquet; report_date=2024-01-01; plant_id_eia=60016
Publisher & attribution ↗ Cite this released fact ↗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
2024 calendar year · reported · derived · not_applicable · final
derived: net_generation_mwh@2024 / (nameplate_mw_op x 8784 h)
Publisher & attribution ↗ Cite this released fact ↗Annual net generation · MWh. Bars below zero are negative net generation; a hollow mark means not reported. Missing years are not filled.
| Calendar year | Net generation · MWh | Evidence |
|---|---|---|
| 2016 | -56MWh | reported · final |
| 2017 | -81MWh | reported · final |
| 2018 | -67MWh | reported · final |
| 2019 | -65MWh | reported · final |
| 2020 | 0MWh | reported · final |
| 2021 | 0MWh | reported · final |
| 2022 | -1MWh | reported · final |
| 2023 | 0MWh | reported · final |
| 2024 | -4MWh | reported · final |
Sum of unique plant x prime-mover x fuel rows per year; negative values retained; missing years absent, not zero; no monthly curve inferred
Operating nameplate MW x ownership fraction, once per generator; reported schedule or EIA-860 schedule-4 default. Ownership source & rules ↗
| Generator | Technology / statusWhether a generator or project is operating, planned, on standby or retired, as its source reports it.Definition ↗ | NameplateA generator’s rated maximum power, in MW. Capacity is a rating, not how much electricity it produced.Definition ↗ · MW | Ownership basisHow 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.Definition ↗ |
|---|---|---|---|
| A | BatteriesBattery storage· Lithium-ion Battery· arbitrage, load managementout_of_service_long_term (OS) | 1MW | EIA schedule default · derivedGenerator absent from a complete Schedule 4 with ownership code S and known operator: wholly owned by the operator per EIA instructions (derived) Snohomish County PUD · 1 fraction · 1MW owned · reported, derived |
| B | BatteriesBattery storage· Lithium-ion Battery· arbitrage, load managementout_of_service_long_term (OS) | 1MW | EIA schedule default · derivedGenerator absent from a complete Schedule 4 with ownership code S and known operator: wholly owned by the operator per EIA instructions (derived) Snohomish County PUD · 1 fraction · 1MW owned · reported, derived |
This plant has no coal, gas, oil or waste generator, so it has no combustion unit for EPA to monitor and no CEMS data exists. That is not a claim of zero emissions: the atlas reports only what EPA-monitored units filed. Source
0 operating storage units. Stores electricity; does not generate. Net output is net of chargingEnergy taken in to charge, energy returned, and their difference. Charging can make net generation negative.Definition ↗.
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
2024 inventory · reported · derived · not_applicable · final
0 of 2 storage units included.
No operating storage unit in this inventory year
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=60016
Publisher & attribution ↗ Cite this released fact ↗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
2024 inventory · reported · derived · missing · final
0 of 0 operating storage units included.
core_eia860__scd_generators_energy_storage.parquet; report_date=2024-01-01; plant_id_eia=60016
Publisher & attribution ↗ Cite this released fact ↗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
2024 inventory · reported · derived · missing · final
0 of 0 operating storage units included.
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=60016
Publisher & attribution ↗ Cite this released fact ↗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
2024 inventory · reported · derived · unsupported · final
0 of 0 operating storage units with verified duration included.
Each operating unit needs energy capacity and matching positive nameplate/discharge MW; no ratio otherwise
derived: validated per-unit ratings; plant_id_eia=60016
Publisher & attribution ↗ Cite this released fact ↗| Year | Charged · MWh | Discharged · MWh | Net · MWh | Round tripDischarged energy divided by charged energy over a full reported year. A description, not an efficiency rating.Definition ↗ | Months |
|---|---|---|---|---|---|
| 2016 | 246MWh | 190MWh | -56MWh | 77 % | 12 |
| 2017 | 287MWh | 206MWh | -81MWh | 72 % | 12 |
| 2018 | 280MWh | 213MWh | -67MWh | 76 % | 12 |
| 2019 | 305MWh | 240MWh | -65MWh | 79 % | 12 |
| 2020 | 0MWh | 0MWh | 0MWh | Not supported for this scope | 12 |
| 2021 | 0MWh | 0MWh | 0MWh | Not supported for this scope | 12 |
| 2022 | 1MWh | 0MWh | -1MWh | 0 % | 12 |
| 2023 | 0MWh | 0MWh | 0MWh | Not supported for this scope | 12 |
| 2024 | 5MWh | 1MWh | -4MWh | 20 % | 12 |
A co-located plant's deliverable capacity is not the sum of its components (EIA-860 carries no interconnection limit). Net storage output is signed and is never added to generation shares.
2 of 2 units changed since the baseline inventory: A retired or cancelled (August 2026); B retired or cancelled (August 2026).
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
2026-08-01 · reported · derived · not_applicable · provisional
2 of 2 current and historical generators included.
No unit operating in the latest inventory
Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=60016; report_date=2026-08-01
Publisher & attribution ↗ Cite this released fact ↗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
2026-08-01 · reported · derived · not_applicable · provisional
2 of 2 current and historical generators included.
Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=60016; report_date=2026-08-01
Publisher & attribution ↗ Cite this released fact ↗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
2026-08-01 · reported · derived · valid · provisional
2 of 2 current and historical generators included.
Preliminary Monthly Electric Generator Inventory, August 2026; plant_id_eia=60016; report_date=2026-08-01
Publisher & attribution ↗ Cite this released fact ↗| Unit | Change | As of | Baseline → latest status | Nameplate · MW |
|---|---|---|---|---|
| A | retired or cancelled | August 2026 | OS → RE· retired August 2025 | 1MW → 1MW |
| B | retired or cancelled | August 2026 | OS → RE· retired August 2025 | 1MW → 1MW |
Each unit's operating span from its reported operating date to its retirement date or to the August 2026 inventory (the vertical line). Dashed spans start at a planned operating date, a forecast; a short bar marks a planned retirement. Standby and out-of-service units are hatched.
| Unit | State | Operating since | Planned | Retired | MW |
|---|---|---|---|---|---|
| A | Retired or cancelled | July 2015 | — | August 2025 | 1MW |
| B | Retired or cancelled | February 2016 | — | August 2025 | 1MW |
Independently dated by EIA-860M; the baseline facts above stay the validated edition. Planned dates are forecasts; retired is not demolished.
Requests BPA received for this plant, linked only where a cited public source identifies the facility, and the state, county and resource both accounts give agree. A request is not a plant: its MW and status stay BPA’s own.
Balancing authority: Bonneville Power Administration
Approximate service areasAn approximate utility service area. The boundary cannot identify the supplier for a particular address.Definition ↗ containing the plant’s location. A geographic candidate, not a supply relationship.
Within 3 km of the reported plant point, nearest first. BPA’s published lines, HIFLD-compiled lines of other owners and HIFLD 2022 substations; nearness does not establish an electrical connection.
Generator rows for the plant in the inventory year, any status
2024 inventory · reported · derived · valid · final
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=60016
Publisher & attribution ↗ Cite this released fact ↗Generator rows with status code OP
2024 inventory · reported · derived · valid · final
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=60016
Publisher & attribution ↗ Cite this released fact ↗Sum of generator nameplate MW with status category existing and code other than OP (SB, OS, OA)
2024 inventory · reported · derived · valid · final
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=60016
Publisher & attribution ↗ Cite this released fact ↗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
2024 inventory · reported · derived · not_applicable · final
0 of 2 storage units included.
No operating storage unit in this inventory year
out_eia__yearly_generators.parquet; report_date=2024-01-01; plant_id_eia=60016
Publisher & attribution ↗ Cite this released fact ↗Display names verified against each organization's own website; EIA legal names retained as aliases
A display name is the name an organization uses for itself; the EIA name stays searchable and on the record. Each row cites the page that shows the name.
Catalyst Cooperative, PUDL v2026.9.0, derived from U.S. EIA Forms 860/923
Data transformed by PUDL from U.S. EIA forms; selected fields republished; EIA data is public with dated acknowledgment (https://www.eia.gov/about/copyrights_reuse.php)
Catalyst Cooperative, PUDL v2026.9.0, derived from U.S. EIA Forms 860/923
Data transformed by PUDL from U.S. EIA forms; selected fields republished; EIA data is public with dated acknowledgment (https://www.eia.gov/about/copyrights_reuse.php)
Catalyst Cooperative, PUDL v2026.9.0, derived from U.S. EIA Forms 860/923
Data transformed by PUDL from U.S. EIA forms; selected fields republished; EIA data is public with dated acknowledgment (https://www.eia.gov/about/copyrights_reuse.php)
Catalyst Cooperative, PUDL v2026.9.0, derived from U.S. EIA Forms 860/923
Data transformed by PUDL from U.S. EIA forms; selected fields republished; EIA data is public with dated acknowledgment (https://www.eia.gov/about/copyrights_reuse.php)
Release 20260929T050546Z-51ae0f7d3c78 · Record JSON