Utility / owner / operatorIDMunicipally-owned utilityHow EIA classifies an organization, such as a public utility, cooperative or investor-owned company.Definition ↗Consumer-ownedUtilities 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.Definition ↗

Idaho Falls Power

Listed by EIA as “City of Idaho Falls - (ID)”.

About this record

Operates 6 plants (50.4 MW); owns 50.4 MW share-weighted; sells retail electricity.

OperatorOwnerRetail seller

2024 inventory

Operated nameplate capacity, operating generatorsFull nameplate MW of operating generators at plants this organization runs, including shares held by other owners.Definition ↗
50.4MW
Source & method

Sum of operating generator nameplate MW at plants where this organization is the reported operator

2024 inventory · reported · derived · valid · final

6 of 6 plants included.

Reported operating capacity; partial plant/unit coverage is marked

out_eia__yearly_utilities.parquet; report_date=2024-01-01; utility_id_eia=9187

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Owned nameplate capacity, operating generatorsOperating generator nameplate MW multiplied by this organization’s ownership share, once per generator. This can include plants another organization operates.Definition ↗
50.4MW
Source & method

Sum over operating generators of nameplate MW x this organization's ownership fraction (reported schedule or EIA-860 schedule-4 default)

2024 inventory · reported · derived · valid · final

5 of 5 plants included.

out_eia__yearly_utilities.parquet; report_date=2024-01-01; utility_id_eia=9187

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Example: an operating 100 MW generator with a 25% ownership share contributes 25 MW to owned capacity. Its operator counts the full 100 MW. Neither quantity establishes who buys its electricity.

Operates

Operating MWFull operating nameplate capacity at plants this organization runs, including shares held by other owners.Definition ↗

Owns

Share-weighted MWAn organization with a reported share of a generator. Owned MW applies that share to operating nameplate capacity; it does not establish who buys the output.Definition ↗

Disclosed supply · Washington fuel mixA supplier’s reported sources of electricity sold to Washington customers, grouped by fuel.Definition ↗

Not a Washington retail supplier in the Fuel Mix Disclosure extracts (CY2014–CY2024 loaded), or not linked by the reviewed claimant crosswalk

Carbon allowances · no-cost allocationAn emissions allowance Washington assigns to an eligible utility without charge. It is not measured emissions.Definition ↗

Not a CETA-obligated electric utility in Ecology's allowance schedule (or not linked by the reviewed crosswalk); only Washington retail utilities subject to the Clean Energy Transformation Act receive no-cost allowances. Checked wa-ecology-cca-allowances 2026-09-18

Money · FERC Form 1The annual financial report large investor-owned utilities file with the federal energy regulator.Definition ↗

FERC Form 1: not a respondent (public power, cooperative, federal or non-utility); checked PUDL v2026.9.0 respondent list 2026-09-18

Retail electricity sold

Full serviceA utility that sells electricity to customers. Full-service sales include both electricity and delivery.Definition ↗

Average revenue per kWhRevenue divided by electricity sold. This average is not a tariff or a household bill.Definition ↗ is realized revenue ÷ sales, not a tariff.

ID · commercial

Retail sales
383,763MWh
2024
Source & method

EIA-861 electricity sold to ultimate customers for the stated utility, state, customer class and service type; calendar year

2024 calendar year · reported · direct · valid · final

1 of 1 native rows included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=commercial; business_model=retail; service_type=bundled

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Retail customers
4,634count
2024
Source & method

EIA-861 customer count for the stated utility, state, class and service type; year-end

2024 calendar year · reported · direct · valid · final

1 of 1 native rows included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=commercial; business_model=retail; service_type=bundled

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Average revenue per kWh sold
7.51cents/kWh
2024
Source & method

revenue_usd / (sales_mwh x 10) over bundled (full-service) rows only; a realized average, not a tariff or marginal rate

2024 calendar year · reported · derived · valid · final

1 of 1 native rows with both revenue and sales included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=commercial; business_model=retail; service_type=bundled

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ID · industrial

Retail sales
59,060MWh
2024
Source & method

EIA-861 electricity sold to ultimate customers for the stated utility, state, customer class and service type; calendar year

2024 calendar year · reported · direct · valid · final

1 of 1 native rows included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=industrial; business_model=retail; service_type=bundled

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Retail customers
6count
2024
Source & method

EIA-861 customer count for the stated utility, state, class and service type; year-end

2024 calendar year · reported · direct · valid · final

1 of 1 native rows included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=industrial; business_model=retail; service_type=bundled

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Average revenue per kWh sold
5.79cents/kWh
2024
Source & method

revenue_usd / (sales_mwh x 10) over bundled (full-service) rows only; a realized average, not a tariff or marginal rate

2024 calendar year · reported · derived · valid · final

1 of 1 native rows with both revenue and sales included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=industrial; business_model=retail; service_type=bundled

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ID · residential

Retail sales
321,312MWh
2024
Source & method

EIA-861 electricity sold to ultimate customers for the stated utility, state, customer class and service type; calendar year

2024 calendar year · reported · direct · valid · final

1 of 1 native rows included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=residential; business_model=retail; service_type=bundled

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Retail customers
28,142count
2024
Source & method

EIA-861 customer count for the stated utility, state, class and service type; year-end

2024 calendar year · reported · direct · valid · final

1 of 1 native rows included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=residential; business_model=retail; service_type=bundled

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Average revenue per kWh sold
9.25cents/kWh
2024
Source & method

revenue_usd / (sales_mwh x 10) over bundled (full-service) rows only; a realized average, not a tariff or marginal rate

2024 calendar year · reported · derived · valid · final

1 of 1 native rows with both revenue and sales included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=residential; business_model=retail; service_type=bundled

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ID · transportation

Retail sales
0MWh
2024
Source & method

EIA-861 electricity sold to ultimate customers for the stated utility, state, customer class and service type; calendar year

2024 calendar year · reported · direct · valid · final

1 of 1 native rows included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=transportation; business_model=retail; service_type=bundled

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Retail customers
0count
2024
Source & method

EIA-861 customer count for the stated utility, state, class and service type; year-end

2024 calendar year · reported · direct · valid · final

1 of 1 native rows included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=transportation; business_model=retail; service_type=bundled

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Average revenue per kWh sold
Not applicable
2024
Source & method

revenue_usd / (sales_mwh x 10) over bundled (full-service) rows only; a realized average, not a tariff or marginal rate

2024 calendar year · reported · derived · not_applicable · final

1 of 1 native rows with both revenue and sales included.

core_eia861__yearly_sales.parquet; report_date=2024-01-01; utility_id_eia=9187; state=ID; customer_class=transportation; business_model=retail; service_type=bundled

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Sold to retail customers in the stated state (utility x state grain); bundled full-service rows only in the summaries; energy-only and delivery-only rows are listed but never added to bundled sales. Realized average revenue per kWh is not a tariff.

Power interruptions reported

2024 · as filed on EIA-861

SAIDISystem 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.Definition ↗, SAIFISystem 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.Definition ↗ and CAIDICustomer 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.Definition ↗ count sustained interruptions. Figures with and without major event daysDays 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.Definition ↗ are different measures; compare like with like.

ID · IEEE 1366EIA-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.Definition ↗

IndexMajor event days includedMajor event days excludedIncluded, loss of supply removed
SAIDIminutes/customer/year72.472.4Not reported
SAIFIinterruptions/customer/year0.650.65Not reported
CAIDIminutes/interruption111.4111.4Not reported
  • Customers the indices are based on
    32,782 customers
  • Highest voltage counted as distribution
    Not reported
  • How it was measuredDetermined under IEEE 1366-2003 or IEEE 1366-2012; the form does not record which edition
    Outages recorded automatically: yes
  • Others reporting the same way · major event days included8 utilities in ID under IEEE 1366. Each counts once whatever its size; this is context, not a ranking.
    SAIDI median 192.8 (8.6–264.6) minutes/customer/yearSAIFI median 1.22 interruptions/customer/year
  • Others reporting the same way · major event days excluded8 utilities in ID under IEEE 1366. Each counts once whatever its size; this is context, not a ranking.
    SAIDI median 127.2 (6.8–198.9) minutes/customer/yearSAIFI median 0.93 interruptions/customer/year
Every year filed
As filed each year. SAIDI in minutes per customer per year; SAIFI in interruptions per customer per year. Blank cells were not reported.
YearStateStandardSAIDI withSAIDI withoutSAIFI withSAIFI withoutCustomers
2024IDIEEE 136672.472.40.650.6532,782
2023IDIEEE 136639.922.10.450.2830,942
2022IDIEEE 136665.136.40.740.3631,097
2021IDIEEE 136611235.40.920.4429,472
2020IDIEEE 1366183.6230.6790.221
2019IDIEEE 136649.849.80.570.5728,214
2017IDIEEE 1366178.2178.21.641.64
2016IDIEEE 1366185.621.71.120.24
2014IDIEEE 136642.125.60.430.24527,555
2013IDIEEE 1366143.644.81.4850.56927,100

Reported by the utility on EIA-861 Schedule 3 under the method it declares. IEEE 1366 and other-method figures are not comparable, and values with and without major event days answer different questions. A system average says nothing about one address. CAIDI is published by EIA as SAIDI divided by SAIFI; it is not a line on the form. A value the utility left blank stays blank. Source and licence· Frozen facts for this utility ↗

Customer programmes

EIA-861 Schedule 6, as filed

Programme results as each utility filed them, by customer class and report year, each in its own unit. Classes are never added into a total, years are never added into a period, and savings are never divided by sales. The one ratio shown, enrolled demand-response customers against the utility's own EIA-861 customer count for the same state, class and year, carries both counts.

Energy efficiency EIA-861 Schedule 6 Part A

Reported by the utility on EIA-861 Schedule 6 Part A as adjusted gross savings at the customer meter under its own evaluation; figures are not comparable across utilities. Reporting-year incremental savings are annualized for participants new that year; life-cycle savings run over the programmes' planned life (energy as a lump sum, peak as the average annual reduction). Each class is shown as filed and the total row is the filer's own; nothing is summed here. Costs are nominal dollars of the report year (the form collects thousands; PUDL publishes dollars). A blank stays blank.

Report year 2024, ID. Each row is one customer class as filed; the filer's total is its own line and is not the sum of the rows above. Costs are nominal dollars.
ClassIncremental annual energy savings, reporting year (annualized)MWhIncremental annual peak demand savings, reporting yearMWIncremental life-cycle energy savings (lump sum over the programmes' life)MWh · life cycleIncremental life-cycle peak demand savings (average annual over the programmes' life)MW · life cycleWeighted average life of the energy-efficiency portfolioyearsCustomer incentives, reporting-year incremental cost (nominal)USDCustomer incentives, incremental life-cycle cost (nominal)USD · life cycleOther costs, incremental life-cycle (nominal)USD · life cycleOther costs, reporting-year incremental (nominal)USD
CommercialPACE3,584 MWh0.7 MW43,632 MWh0.7 MW12.2 years$800,000$800,000$0$0
IndustrialPACE1,062 MWh0.2 MW10,049 MWh0.2 MW9.5 years$122,000$122,000$0$0
ResidentialPACE97 MWh0 MW1,635 MWh0 MW16.8 years$108,000$108,000$0$0
TransportationPACE0 MWh0 MW0 MWh0 MW0 years$0$0$0$0
Filer's totalPACE4,743 MWh0.9 MW55,316 MWh0.9 MWnot applicable$1,030,000$1,030,000$0$0

Demand response EIA-861 Schedule 6 Part B

Reported by the utility on EIA-861 Schedule 6 Part B. Potential peak savings assume every programme is called; actual peak savings are what was achieved at the company's own annual peak hour, and the two are never merged. Customers are enrolled customers, a count. Costs are nominal dollars of the report year. The form has no total row and none is computed here. A blank stays blank.

Report year 2020, ID. Each row is one customer class as filed; the form has no total row and none is computed. Costs are nominal dollars.
ClassCustomers enrolled in demand response programmescountEnergy savings from demand responseMWhPotential peak demand savings, all demand response calledMW · potentialActual peak demand savings at the annual system peak hourMW · achievedCustomer incentives (nominal)USDOther programme costs (nominal)USDEnrolled share of this class's customersderived
CommercialPACE · listed without valueslisted without valueslisted without valueslisted without valueslisted without valueslisted without valueslisted without valuesno denominator for this year
IndustrialPACE · listed without valueslisted without valueslisted without valueslisted without valueslisted without valueslisted without valueslisted without valuesno denominator for this year
ResidentialPACE · listed without valueslisted without valueslisted without valueslisted without valueslisted without valueslisted without valueslisted without valuesno denominator for this year
TransportationPACE · listed without valueslisted without valueslisted without valueslisted without valueslisted without valueslisted without valueslisted without valuesno denominator for this year

Population: organizations of this release with EIA-861 rows in the core states. A short-form respondent has no figures to file; a long-form respondent without a row may have no programmes or may have a nonutility administrator reporting for it. Years without a row are listed against the table's span, not against the years this utility filed the form.

Distributed generationCustomer-sited and small generation reported by utilities in aggregate on EIA-861; no locations; a separate population from the plant inventory, never added to it.Definition ↗

Utility reports · no locations

Distributed generation reported by this utility to EIA-861 for 2024, by state

Utility-reported, no locations, not in the EIA-860 plant inventory (>= 1 MW). Storage is listed separately and never added to generation capacity. Non-net-metered units >= 1 MW can also appear in EIA-860; the overlap is disclosed, not resolved. Source rollup rows are excluded from every sum.

Generation capacity

Distributed generation capacity (net-metered + non-net-metered)
1.6MW
2024
Source & method

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

2024 calendar year · reported · derived · valid · final

1 of 1 reporting utilities included.

net-metered + non-net-metered; the two EIA-861 schedules are disjoint by design

core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=9187 (+ non-net-metering table)

Publisher & attribution ↗
Net-metered capacity
1.6MW
2024
Source & method

EIA-861 net metering schedule, leaf technology classes excluding storage

2024 calendar year · reported · derived · valid · final

1 of 1 reporting utilities included.

core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=9187 (+ non-net-metering table)

Publisher & attribution ↗
Non-net-metered distributed capacity
Not reported
2024
Source & method

EIA-861 non-net-metering distributed generation schedule, leaf technology classes excluding storage

2024 calendar year · reported · derived · missing · final

0 of 0 reporting utilities included.

core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=9187 (+ non-net-metering table)

Publisher & attribution ↗

Net-metering participation and exports

Customer counts can include the same customer under more than one technology. Energy sold to utilities measures exports; it does not measure all generation at customer sites.

Net-metered customers
253count
2024
Source & method

EIA-861 net metering customer count over leaf technology classes; a customer with two technologies can be counted twice by the source

2024 calendar year · reported · derived · valid · final

1 of 1 reporting utilities included.

core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=9187 (+ non-net-metering table)

Publisher & attribution ↗
Energy sold back to the utility by net-metered customers
0MWh
2024
Source & method

EIA-861 net metering schedule; export to the utility, not customer generation

2024 calendar year · reported · derived · valid · final

1 of 1 reporting utilities included.

core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=9187 (+ non-net-metering table)

Publisher & attribution ↗

Distributed storage

Power rating in MW and energy capacity in MWh are separate measurements. These storage quantities are excluded from the generation capacity above.

Distributed storage capacity
0MW
2024
Source & method

EIA-861 storage technology classes (storage_pv, storage_nonpv, all_storage); power rating, kept separate from generation capacity

2024 calendar year · reported · derived · valid · final

1 of 1 reporting utilities included.

core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=9187 (+ non-net-metering table)

Publisher & attribution ↗
Distributed storage energy capacity
0MWh
2024
Source & method

EIA-861 storage technology classes; usable energy as reported

2024 calendar year · reported · derived · valid · final

1 of 1 reporting utilities included.

core_eia861__yearly_net_metering_customer_fuel_class.parquet; report_date=2024-01-01; utility_id_eia=9187 (+ non-net-metering table)

Publisher & attribution ↗

Geographic & reporting context

Sources for this record

Frozen citation page ↗

Display names and aliases (pipeline/config/crosswalks/aliases.csv)

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.

PUDL v2026.9.0, out_eia__yearly_generators

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)

PUDL v2026.9.0, out_eia860__yearly_ownership

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)

PUDL v2026.9.0, core_eia861__yearly_reliability

Catalyst Cooperative, PUDL v2026.9.0, derived from U.S. EIA Form 861

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)

PUDL v2026.9.0, core_eia861__yearly_energy_efficiency

Catalyst Cooperative, PUDL v2026.9.0, derived from U.S. EIA Form 861

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)

PUDL v2026.9.0, core_eia861__yearly_demand_response

Catalyst Cooperative, PUDL v2026.9.0, derived from U.S. EIA Form 861

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)

PUDL v2026.9.0, out_eia__yearly_utilities

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