State

Idaho

Who serves its customers, 2025

Who serves its customers, 2025
Kind of utility	Customers	Share of customers
Investor owned	878,583	84.2%
Cooperative	89,848	8.6%
Public (municipal, state, federal, and districts)	34,150	3.3%
Other	40,952	3.9%

Customers of full-service and energy-only providers, as EIA counts them; delivery-only customers are the same people, so they are not counted twice.

U.S. Energy Information Administration · Annual Electric Power Industry Report (Form EIA-861) · data for 2025 · as of Oct 7, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Average price by sector, 2025

Average price by sector, 2025
Sector	Average price (cents per kWh)
Residential	11.83
Commercial	9.29
Industrial	7.88

Revenue from every kind of service over sales counted once, as EIA computes its state averages.

Capacity and generation by fuel

Capacity and generation by fuel
Fuel	Capacity	Net generation in 2025
Hydro	2,696.4 MW	8,850,665 MWh
Natural gas	1,256.6 MW	6,364,798 MWh
Wind	1,132.3 MW	2,825,418 MWh
Solar	701.6 MW	1,627,956 MWh
Batteries	459 MW	-40,243 MWh
BLQ	113.8 MW	280,056 MWh
Geothermal	16 MW	88,141 MWh
WH	15.9 MW	66,124 MWh
Landfill gas	13.5 MW	64,013 MWh
Wood	12.4 MW	128,081 MWh
Other biogas	8.8 MW	30,170 MWh
Distillate fuel oil	5 MW	171 MWh
Bituminous coal		0 MWh
Subbituminous coal		0 MWh
Residual fuel oil		0 MWh

Balancing authorities serving it: AVA, BPAT, IPCO, NWMT, PACE.

U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Interconnection queue, as of the end of 2025

Interconnection queue, as of the end of 2025
Type	Active capacity (MW)	Projects
Solar	866	6
Wind	1,710	7
Storage	2,317	13
Gas	1,861	8
Hybrid	4,988	23
Other	398	7

Requests still active in an interconnection queue at the end of 2025. Most never get built. Credit: Lawrence Berkeley National Laboratory and GridTracker.

Lawrence Berkeley National Laboratory and GridTracker · Queued Up: Interconnection Queue Data File (Lawrence Berkeley National Laboratory) · data for 2025 · as of May 7, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Utilities

Utilities
Utility	Ownership, as EIA reports it	Customers	Sales (MWh)
Idaho Power Co	Investor Owned	636,949	15,504,369
Avista Corp	Investor Owned	149,098	3,649,166
PacifiCorp	Investor Owned	92,536	3,802,242
Adjustment 2025		40,952	962,939
City of Idaho Falls - (ID)	Municipal	34,150	778,552
Kootenai Electric Cooperative	Cooperative	33,826	583,771
Northern Lights, Inc	Cooperative	19,250	326,748
Fall River Rural Elec Coop Inc	Cooperative	18,798	350,090
United Electric Co-op, Inc - (ID)	Cooperative	7,692	361,395
Salmon River Electric Coop Inc	Cooperative	3,038	103,688
Raft Rural Elec Coop Inc	Cooperative	2,771	268,736
Inland Power & Light Company	Cooperative	2,335	42,268
Lower Valley Energy Inc	Cooperative	2,068	72,623
Missoula Electric Coop, Inc	Cooperative	70	1,520
Sunnova	Behind the Meter	0	0

A utility with too few reported figures for its own page is listed here with what it reported.

Power plants (159)

Power plants in Idaho, largest first
Plant	County	Nameplate capacity	Operator
Brownlee	Washington	675 MW	Idaho Power Co
Dworshak	Clearwater	465 MW	USACE Northwestern Division
Langley Gulch Power Plant	Payette	318.5 MW	Idaho Power Co
Rathdrum Power LLC	Kootenai	301.5 MW	Rathdrum Power LLC
Evander Andrews Power Complex	Elmore	270.9 MW	Idaho Power Co
Cabinet Gorge	Bonner	265.2 MW	Avista Corp
Matrix Pleasant Valley	Ada	200 MW	Pleasant Valley Solar, LLC
Palisades Dam	Bonneville	176.4 MW	U S Bureau of Reclamation
Bennett Mountain	Elmore	172.8 MW	Idaho Power Co
Rathdrum	Kootenai	166.4 MW	Avista Corp
Cedar Creek Wind, LLC	Bingham	160 MW	Cedar Creek Wind, LLC
Kuna BESS	Ada	150 MW	Kuna BESS, LLC
Goshen Phase II	Bonneville	124.5 MW	Clearlight Energy Holdings LP
Jackpot Solar, LLC	Twin Falls	120 MW	Deriva Energy
Meadow Creek Project Company	Bonneville	119.7 MW	Ridgeline Energy LLC
Hemmingway BESS	Owyhee	116 MW	Idaho Power Co
Clearwater Paper IPP Lewiston	Nez Perce	113.8 MW	Clearwater Paper Corporation
Lucky Peak Power Plant Project	Ada	101.2 MW	Boise-Kuna Irrigation District
Franklin Solar Hybrid	Twin Falls	100 MW	Franklin Solar Idaho
American Falls	Power	92.4 MW	Idaho Power Co
C J Strike	Owyhee	82.8 MW	Idaho Power Co
Happy Valley Battery Storage	Canyon	82 MW	Idaho Power Co
Grand View Solar Two	Elmore	80 MW	Grand View PV Solar Two, LLC
Rockland Wind Farm	Power	79.2 MW	Ridgeline Energy LLC
Bliss (ID)	Gooding	75 MW	Idaho Power Co
Wolverine Creek	Bonneville	64.5 MW	Invenergy Services LLC
Franklin Battery Storage	Twin Falls	60 MW	Idaho Power Co
Lower Salmon	Gooding	60 MW	Idaho Power Co
Milner Hydro	Cassia	59.5 MW	Idaho Power Co
Horse Butte Wind I, LLC	Bonneville	57.6 MW	Utah Associated Mun Power Sys
Twin Falls (ID)	Twin Falls	52.7 MW	Idaho Power Co
Albeni Falls	Bonner	42 MW	USACE Northwestern Division
Anderson Ranch	Elmore	40 MW	U S Bureau of Reclamation
Black Mesa BESS	Elmore	40 MW	Idaho Power Co
Black Mesa Solar, LLC	Elmore	40 MW	Black Mesa Solar, LLC
High Mesa	Twin Falls	40 MW	High Mesa Energy, LLC
ID Solar	Ada	40 MW	AES Distributed Energy
Smith Falls Hydro Project	Boundary	38.1 MW	Smith Creek Hydro, LLC
Grace	Caribou	33 MW	PacifiCorp
Oneida	Franklin	30 MW	PacifiCorp
Minidoka	Minidoka	27.7 MW	U S Bureau of Reclamation
Swan Falls	Ada	27.2 MW	Idaho Power Co
Gem State	Bonneville	23.4 MW	City of Idaho Falls - (ID)
Cold Springs Windfarm	Elmore	23 MW	Mountain Air Projects, LLC
Desert Meadow Windfarm	Elmore	23 MW	Mountain Air Projects, LLC
Hammett Hill Windfarm	Elmore	23 MW	Mountain Air Projects, LLC
Mainline Windfarm	Elmore	23 MW	Mountain Air Projects, LLC
Ryegrass Windfarm	Elmore	23 MW	Mountain Air Projects, LLC
Two Ponds Windfarm	Elmore	23 MW	Mountain Air Projects, LLC
Camp Reed	Elmore	22.5 MW	Idaho Wind Partners 1 LLC
Power County Wind Park North	Power	22.5 MW	Power County Wind Park North LLC
Power County Wind Park South	Power	22.5 MW	Power County Wind Park South LLC
Sawtooth Wind Project	Elmore	22.4 MW	Idaho Winds LLC
Burley Butte Windpark	Cassia	21.3 MW	Idaho Wind Partners 1 LLC
Bennett Creek Windfarm LLC - Mountain Home	Elmore	21 MW	Bennett Creek Windfarm LLC
Mountain Home	Elmore	21 MW	Hot Springs Windfarm, LLC
Payne's Ferry	Twin Falls	21 MW	Idaho Wind Partners 1 LLC
Salmon Falls Wind Park	Twin Falls	21 MW	Idaho Wind Partners 1 LLC
Yahoo Creek	Twin Falls	21 MW	Idaho Wind Partners 1 LLC
American Falls Solar	Power	20 MW	American Falls Solar LLC
American Falls Solar II	Power	20 MW	American Falls Solar II, LLC
Mt. Home Solar 1, LLC	Elmore	20 MW	Standard Solar
Murphy Flat Solar	Owyhee	20 MW	Murphy Flat Power, LLC
Orchard Ranch Solar	Ada	20 MW	Orchard Ranch Solar, LLC
Simcoe Solar	Elmore	20 MW	Simcoe Solar
Milner Dam Wind Park LLC	Cassia	19.5 MW	Idaho Wind Partners 1 LLC
Cassia Gulch	Twin Falls	18.9 MW	Cassia Gulch Wind Park, LLC
Upper Salmon A	Twin Falls	18 MW	Idaho Power Co
Tuana Springs	Twin Falls	16.8 MW	Tuana Springs Energy, LLC
Upper Salmon B	Twin Falls	16.5 MW	Idaho Power Co
Raft River Geothermal Power Plant	Cassia	16 MW	US Geothermal Inc.
Simplot Leasing Don Plant	Bannock	15.9 MW	Simplot Leasing Corp
Arrowrock Hydroelectric Project	Elmore	15 MW	Boise-Kuna Irrigation District
Shoshone Falls	Jerome	14.7 MW	Idaho Power Co
Soda	Caribou	14.6 MW	PacifiCorp
Post Falls	Kootenai	14.5 MW	Avista Corp
Lower Malad	Gooding	13.5 MW	Idaho Power Co
Oregon Trail Wind Park	Twin Falls	13.5 MW	Idaho Wind Partners 1 LLC
Amalgamated Sugar Twin Falls	Twin Falls	12.7 MW	The Amalgamated Sugar Co
Cascade Dam (ID)	Valley	12.4 MW	Idaho Power Co
Golden Valley Wind Park LLC	Cassia	12 MW	Idaho Wind Partners 1 LLC
Thousand Springs Wind Park	Twin Falls	12 MW	Idaho Wind Partners 1 LLC
Fossil Gulch	Gooding	10.5 MW	Greenbacker Renewable Energy Corporation
Pilgrim Stage Wind Park	Twin Falls	10.5 MW	Idaho Wind Partners 1 LLC
Tuana Gulch Wind Park	Twin Falls	10.5 MW	Idaho Wind Partners 1 LLC
Black Canyon	Gem	10.2 MW	U S Bureau of Reclamation
Bypass	Jerome	9.9 MW	North Side Energy Company
Horseshoe Bend Hydroelectric Co	Boise	9.4 MW	Horseshoe Bend Hydroelectric Co
Falls River Hydro	Fremont	9 MW	Marysville Hydro Partners
Magic Dam Hydroelectric Project	Blaine	9 MW	Wood Hydro, LLC
S E Hazelton A	Jerome	8.7 MW	North Side Energy Company
Cassia Wind	Twin Falls	8.4 MW	Cassia Wind Farm, LLC
Wilson Lake Hydroelectric Project	Jerome	8.4 MW	Hazelton/Wilson Joint Venture
Upper Malad	Gooding	8.3 MW	Idaho Power Co
Amalgamated Sugar LLC Nampa	Canyon	8.2 MW	Amalgamated Sugar Co-Nampa
City Power Plant	Bonneville	8 MW	City of Idaho Falls - (ID)
Lower No 1	Bonneville	8 MW	City of Idaho Falls - (ID)
South Forks Hydro	Twin Falls	8 MW	South Forks Joint Venture
Upper Power Plant	Bonneville	8 MW	City of Idaho Falls - (ID)
Hazelton B Hydro	Jerome	7.6 MW	Hazelton/Wilson Joint Venture
Felt	Teton	7.4 MW	Fall River Rural Elec Coop Inc
Thousand Springs	Gooding	6.8 MW	Idaho Power Co
Ashton	Fremont	6.7 MW	PacifiCorp
Plummer Cogen	Benewah	6.2 MW	Stimson Lumber Company
Tamarack Energy	Adams	6.2 MW	Tamarack Energy
BYUI Central Energy Facility	Madison	5.6 MW	Brigham Young Univ Idaho
Salmon Diesel	Lemhi	5 MW	Idaho Power Co
Dietrich Drop	Lincoln	4.8 MW	Wood Hydro, LLC
Island Park	Fremont	4.8 MW	Fall River Rural Elec Coop Inc
Barber Dam	Ada	4.1 MW	Barber Pool Hydro LLC
Elmore BESS	Elmore	4 MW	Idaho Power Co
Milner Butte LFGE	Cassia	3.9 MW	Southern Idaho Solid Waste
Moyie Springs	Boundary	3.9 MW	City of Bonners Ferry (ID)
Dry Creek Project	Butte	3.6 MW	Dry Creek LLC
Chester Diversion Hydroelectric Project	Fremont	3.6 MW	Fall River Rural Elec Coop Inc
Boise R Diversion	Ada	3.3 MW	U S Bureau of Reclamation
Bannock County LFG to Energy	Bannock	3.2 MW	Bannock County Landfill - (ID)
Fighting Creek LFGTE Plant	Kootenai	3.2 MW	Kootenai Renewable Energy LLC
Hidden Hollow Energy	Ada	3.2 MW	Hidden Hollow Energy LLC
West Point RNG	Gooding	3.2 MW	Camco International Group, Inc.
Mink Creek Hydro	Franklin	3.1 MW	Mink Creek Hydro Entity
Lower No 2	Bonneville	3 MW	City of Idaho Falls - (ID)
Weiser BESS	Washington	3 MW	Idaho Power Co
Little Wood Hydro Project	Blaine	2.8 MW	Littlewood Irrigation District
Low Line Rapids	Twin Falls	2.8 MW	Lower Lowline LLC
Birch Creek Power	Clark	2.6 MW	Birch Power Co
El Dorado Hydro Elk Creek	Idaho	2.6 MW	Hydroland Omega LLC
Clear Lake	Gooding	2.5 MW	Idaho Power Co
Lateral 10 Ventures	Twin Falls	2.4 MW	Lateral 10 Ventures
Crystal Springs	Twin Falls	2.3 MW	Crystal Springs Hydro Elec LP
MC6 Hydro Facility	Ada	2.3 MW	MC6 Hydro Facility
Cargill B6 Biofactory	Gooding	2.2 MW	Pico Energy, LLC
Rock Creek I	Twin Falls	2.1 MW	Shorock Hydro Inc
Filer BESS	Twin Falls	2 MW	Idaho Power Co
Melba BESS	Canyon	2 MW	Idaho Power Co
Rock Creek II	Twin Falls	1.9 MW	Hydroland Omega LLC
Kettle Butte Digester, LLC	Jefferson	1.8 MW	Kettle Butte Digester, LLC
Last Chance	Caribou	1.7 MW	PacifiCorp
Mora Drop Hydroelectric Project	Ada	1.7 MW	Boise Project Board of Control
Big Sky Dairy Digester	Gooding	1.6 MW	DF-AP #1 LLC
Clif Bar Bakery of Twin Falls	Twin Falls	1.6 MW	Mondelez Global LLC (Twin Falls)
Marsh Valley Development	Bannock	1.6 MW	Marsh Valley Development Inc
Little Mac Project	Twin Falls	1.5 MW	Little Mac Power Company
Mile 28 Water Power Project	Jerome	1.4 MW	Wood Hydro, LLC
Blind Canyon Hydro	Gooding	1.3 MW	Blind Canyon Aquaranch, Inc.
Koyle Ranch Hydroelectric Project	Gooding	1.3 MW	Koyle Hydro Inc
North Gooding Main Hydro	Gooding	1.3 MW	North Gooding Main Hydro LLC
Ford Hydro LP	Clearwater	1.2 MW	Ford Hydro Ltd Partnership
AJMS, LLC	Lincoln	1.2 MW	AJMS, LLC
Head of U Canal Hydro Project	Jerome	1.2 MW	North Side Energy Company
Marco Ranch	Jerome	1.2 MW	Marco Power Inc
Fargo Drop	Canyon	1.1 MW	Boise Project Board of Control
GeoBon II	Lincoln	1 MW	Koosh, Inc.
Arco Wind and Solar Project	Bonneville	0 MW	PacifiCorp
Blacks Creek Solar	Ada	0 MW	Blacks Creek Energy Center, LLC
Boise Bench BESS	Ada	0 MW	Idaho Power Co
Crimson Orchard Solar and BESS	Elmore	0 MW	Clenera DevCo LLC
IFP Peaking Plant	Bonneville	0 MW	City of Idaho Falls - (ID)
Pleasant Valley Solar 2 Project	Ada	0 MW	PVS 2, LLC