State

Washington

Who serves its customers, 2025

Who serves its customers, 2025
Kind of utility	Customers	Share of customers
Investor owned	1,664,575	43.3%
Cooperative	170,984	4.5%
Public (municipal, state, federal, and districts)	1,935,863	50.4%
Retail power marketer	5	0.0%
Other	69,776	1.8%

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	13.17
Commercial	10.97
Industrial	7.00

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	21,775.7 MW	64,659,085 MWh
Natural gas	4,045.3 MW	15,978,166 MWh
Wind	3,386.8 MW	8,080,924 MWh
Nuclear	1,200 MW	7,748,114 MWh
Subbituminous coal	729.9 MW	3,160,338 MWh
Solar	268.4 MW	628,797 MWh
Wood	145.2 MW	644,684 MWh
BLQ	83.5 MW	306,696 MWh
MSW	26 MW
Distillate fuel oil	17.5 MW	12,231 MWh
WDL	15 MW	0 MWh
Landfill gas	9.9 MW	33,226 MWh
Other biogas	4.6 MW	14,336 MWh
Batteries	4 MW	-328 MWh
RC		0 MWh
WC		0 MWh
Residual fuel oil		1,270 MWh
SLW		8,647 MWh
PG		10 MWh
WO		125 MWh
MSB		60,541 MWh
MSN		73,994 MWh
JF		0 MWh
OG		259,525 MWh
Bituminous coal		0 MWh
Petroleum coke		0 MWh

Balancing authorities serving it: AVA, BPAT, CHPD, DOPD, GCPD, PACW, PSEI, SCL, TPWR.

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	4,701	37
Wind	6,623	28
Storage	7,346	39
Gas	662	4
Hybrid	18,104	66
Other	2,188	8

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)
Puget Sound Energy Inc	Investor Owned	1,251,446	23,472,996
City of Seattle - (WA)	Municipal	525,040	9,099,996
PUD No 1 of Snohomish County - (WA)	Political Subdivision	385,159	6,859,233
Avista Corp	Investor Owned	275,281	6,106,630
PUD No 1 of Clark County - (WA)	Political Subdivision	243,809	4,695,742
City of Tacoma - (WA)	Municipal	200,438	4,348,063
PacifiCorp	Investor Owned	137,964	4,003,087
Adjustment 2025		69,677	2,370,561
PUD No 1 of Benton County	Political Subdivision	58,679	1,777,922
PUD No 2 of Grant County - (WA)	Political Subdivision	56,753	6,418,636
PUD No 1 of Cowlitz County	Political Subdivision	54,269	4,230,268
PUD No 1 of Chelan County - (WA)	Political Subdivision	50,588	1,856,079
Inland Power & Light Company	Cooperative	46,238	1,033,901
PUD No 1 of Grays Harbor County	Political Subdivision	45,827	907,565
PUD No 3 of Mason County	Political Subdivision	36,818	691,554
Peninsula Light Company	Cooperative	35,767	611,985
PUD No 1 of Lewis County - (WA)	Political Subdivision	35,323	962,889
PUD No 1 of Clallam County	Political Subdivision	34,487	655,344
PUD No 1 of Franklin County	Political Subdivision	30,076	1,086,326
City of Richland - (WA)	Municipal	28,306	1,007,231
PUD No 1 of Okanogan County	Political Subdivision	22,266	647,751
PUD No 1 of Jefferson County	Political Subdivision	21,014	388,178
PUD No 2 of Pacific County	Political Subdivision	18,637	309,190
PUD No 1 of Douglas County - (WA)	Political Subdivision	17,792	1,617,831
Benton Rural Electric Assn	Cooperative	16,915	605,917
Elmhurst Mutual Power & Light Co	Cooperative	16,331	282,748
Orcas Power & Light Coop	Cooperative	16,090	216,273
PUD No 1 of Klickitat County	Political Subdivision	14,264	358,750
Vera Irrigation District #15	Political Subdivision	13,698	238,903
Modern Electric Water Company	Cooperative	11,299	226,193
City of Port Angeles - (WA)	Municipal	11,138	234,951
Big Bend Electric Coop, Inc	Cooperative	10,977	581,878
City of Centralia - (WA)	Municipal	10,826	261,058
Lakeview Light & Power	Cooperative	10,552	248,751
City of Ellensburg - (WA)	Municipal	10,453	221,853
PUD No 1 of Pend Oreille County - (WA)	Political Subdivision	10,193	647,238
Columbia Rural Elec Assn, Inc	Cooperative	6,699	373,795
Tesla Inc.	Behind the Meter	99	596
Kootenai Electric Cooperative	Cooperative	98	2,559
Northern Lights, Inc	Cooperative	18	217
Bonneville Power Administration	Federal	9	1,227,592
BP Energy Company	Retail Power Marketer	2	838,932
Avangrid Power, LLC	Retail Power Marketer	1	32,882
Brookfield Renewable Energy Marketing US LLC	Retail Power Marketer	1	366,286
PUD No 1 of Whatcom County	Political Subdivision	1	226,467
Shell Energy North America (US), L.P.	Retail Power Marketer	1	40,871
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 (153)

Power plants in Washington, largest first
Plant	County	Nameplate capacity	Operator
Grand Coulee	Grant	6,809 MW	U S Bureau of Reclamation
Chief Joseph	Douglas	2,456.2 MW	USACE Northwestern Division
Rocky Reach	Chelan	1,349.2 MW	PUD No 1 of Chelan County - (WA)
Wanapum	Grant	1,220 MW	PUD No 2 of Grant County - (WA)
Columbia Generating Station	Benton	1,200 MW	Energy Northwest- Columbia
Boundary	Pend Oreille	1,159.7 MW	City of Seattle - (WA)
Priest Rapids	Grant	950 MW	PUD No 2 of Grant County - (WA)
Wells	Chelan	866.8 MW	PUD No 1 of Douglas County - (WA)
Little Goose	Columbia	810 MW	USACE Northwestern Division
Lower Granite	Whitman	810 MW	USACE Northwestern Division
Lower Monumental	Walla Walla	810 MW	USACE Northwestern Division
Transalta Centralia Generation	Lewis	729.9 MW	TransAlta Centralia Gen LLC
Grays Harbor Energy Facility	Grays Harbor	714.9 MW	Invenergy Services LLC
Rock Island	Chelan	629.4 MW	PUD No 1 of Chelan County - (WA)
Ice Harbor	Walla Walla	603 MW	USACE Northwestern Division
Chehalis Generating Facility	Lewis	593.3 MW	PacifiCorp
Ross	Whatcom	450 MW	City of Seattle - (WA)
Fredonia (WA)	Skagit	376 MW	Puget Sound Energy Inc
Lower Snake River Wind Energy Project	Garfield	342.7 MW	Puget Sound Energy Inc
Mint Farm Generating Station	Cowlitz	319 MW	Puget Sound Energy Inc
Frederickson Power LP	Pierce	318.3 MW	Frederickson Power LP
Goldendale Generating Station	Klickitat	302.8 MW	Puget Sound Energy Inc
Mossyrock	Lewis	300 MW	City of Tacoma - (WA)
Ferndale Generating Station	Whatcom	285.5 MW	Puget Sound Energy Inc
Wild Horse	Kittitas	273.1 MW	Puget Sound Energy Inc
Tucannon River Wind Farm	Columbia	266.8 MW	Portland General Electric Co
Windy Flats Wind Project	Klickitat	262.2 MW	Windy Flats Partners LLC
River Road Gen Plant	Clark	248 MW	PUD No 1 of Clark County - (WA)
Swift 1	Skamania	240 MW	PacifiCorp
Marengo Wind Plant	Columbia	234 MW	PacifiCorp
Gorge	Whatcom	207.3 MW	City of Seattle - (WA)
White Creek Wind Farm	Klickitat	204 MW	White Creek Wind 1 LLC
Big Horn Wind Project	Klickitat	199 MW	Avangrid Power LLC
Diablo	Whatcom	182.4 MW	City of Seattle - (WA)
Frederickson	Pierce	177.8 MW	Puget Sound Energy Inc
FPL Energy Vansycle LLC (WA)	Walla Walla	176.9 MW	FPL Energy Vansycle LLC
Encogen	Whatcom	176.4 MW	Puget Sound Energy Inc
Whitehorn	Whatcom	169.2 MW	Puget Sound Energy Inc
Mayfield	Lewis	162 MW	City of Tacoma - (WA)
Hopkins Ridge Wind	Columbia	156.6 MW	Puget Sound Energy Inc
Juniper Canyon I Wind Project	Klickitat	151.2 MW	Avangrid Power LLC
Lund Hill Solar	Klickitat	150 MW	Avangrid Power LLC
Rattlesnake Flat	Adams	144 MW	Rattlesnake Flat, LLC
HF Sinclair Puget Sound Refining	Skagit	139.8 MW	HF Sinclair Corporation
Washington Wind	Klickitat	136.3 MW	Washington Wind LLC
Merwin	Cowlitz	136 MW	PacifiCorp
Skookumchuck Wind Facility	Thurston	136 MW	Southern Power Co
Yale	Cowlitz	134 MW	PacifiCorp
Sumas Power Plant	Whatcom	125.5 MW	Puget Sound Energy Inc
H M Jackson	Snohomish	111.8 MW	PUD No 1 of Snohomish County - (WA)
Palouse	Whitman	105.3 MW	Onward Energy
Upper Baker	Whatcom	104.8 MW	Puget Sound Energy Inc
Lower Baker	Skagit	103.9 MW	Puget Sound Energy Inc
Goodnoe Hills	Klickitat	103.4 MW	PacifiCorp
Sagebrush Power Partners	Kittitas	100.7 MW	Sagebrush Power Partners, LLC
Harvest Wind Project	Klickitat	98.9 MW	Harvest Wind Project TIC
Nine Canyon	Benton	95.9 MW	Energy Northwest
Summer Falls Power Plant	Grant	92 MW	Columbia Basin Hydropower
Box Canyon	Pend Oreille	90 MW	PUD No 1 of Pend Oreille County - (WA)
Vantage Wind Energy LLC	Kittitas	90 MW	Invenergy Services LLC
Cushman 2	Mason	84.6 MW	City of Tacoma - (WA)
Goose Prairie Solar	Yakima	80 MW	Goose Prairie Solar LLC
Swift 2	Cowlitz	72 MW	PacifiCorp
Cowlitz Falls	Lewis	70 MW	PUD No 1 of Lewis County - (WA)
Long Lake	Lincoln	70 MW	Avista Corp
LaGrande	Pierce	64 MW	City of Tacoma - (WA)
Nippon Dynawave Packaging Longview WA	Cowlitz	62.4 MW	Nippon Dynawave Packaging Co.
Northeast (WA)	Spokane	61.8 MW	Avista Corp
Chelan	Chelan	59.2 MW	PUD No 1 of Chelan County - (WA)
Kettle Falls Generating Station	Stevens	57.9 MW	Avista Corp
Alder	Pierce	51 MW	City of Tacoma - (WA)
Cushman 1	Mason	50.4 MW	City of Tacoma - (WA)
Big Horn Wind II	Klickitat	50 MW	Avangrid Power LLC
Linden Wind Energy Project	Klickitat	50 MW	Los Angeles Department of Water & Power
Longview Fibre	Cowlitz	45 MW	Longview Fibre Co
Little Falls (WA)	Lincoln	43.2 MW	Avista Corp
Snoqualmie 2	King	38.7 MW	Puget Sound Energy Inc
Nine Mile	Spokane	37.6 MW	Avista Corp
Cedar Falls (WA)	King	30 MW	City of Seattle - (WA)
Sierra Pacific Burlington Facility	Skagit	28 MW	Sierra Pacific Industries
Packwood	Lewis	27.5 MW	Energy Northwest - Packwood
Main Canal Headworks	Grant	26.8 MW	Columbia Basin Hydropower
Spokane Waste to Energy	Spokane	26 MW	City of Spokane - (WA)
Boulder Park	Spokane	24.6 MW	Avista Corp
Twin Falls Hydro	King	24 MW	Central Rivers Power US, LLC
Electron	Pierce	22.8 MW	Electron Hydro LLC
Adams Nielson Solar	Adams	19.2 MW	Strata Manager, LLC
Sierra Pacific Aberdeen	Grays Harbor	18 MW	Sierra Pacific Industries
Upriver Dam Hydro Plant	Spokane	17.6 MW	City of Spokane - (WA)
South Fork Tolt	King	16.8 MW	City of Seattle - (WA)
Cosmo Specialty Fibers Plant	Grays Harbor	15 MW	Cosmo Specialty Fibers
University of Washington Power Plant	King	15 MW	University of Washington
Monroe Street	Spokane	14.8 MW	Avista Corp
Tieton Dam Hydro Electric Project	Yakima	13.8 MW	City of Burbank Water and Power - (CA)
Roza	Yakima	12.9 MW	U S Bureau of Reclamation
Snoqualmie	King	12.8 MW	Puget Sound Energy Inc
Wynoochee	Grays Harbor	12.8 MW	City of Tacoma - (WA)
McKinley Paper Co. - Washington Mill	Clallam	12.6 MW	McKinley Paper Co. - Washington Mill
Chandler	Benton	12 MW	U S Bureau of Reclamation
Koma Kulshan	Whatcom	12 MW	Eagle Creek Renewable Energy, LLC
Yelm	Thurston	12 MW	City of Centralia - (WA)
McNary Dam Fish Attraction Project	Benton	10 MW	Northern Wasco County PUD - (OR)
Upper Falls	Spokane	10 MW	Avista Corp
Port Townsend Paper	Jefferson	7.5 MW	Port Townsend Paper Co
Youngs Creek Hydroelectric Project	Snohomish	7.5 MW	PUD No 1 of Snohomish County - (WA)
Russell D Smith	Adams	6.1 MW	Columbia Basin Hydropower
Calligan Creek Hydroelectric Project	King	6 MW	PUD No 1 of Snohomish County - (WA)
Coastal Energy Project	Grays Harbor	6 MW	Coastal Community Action Program
Hancock Creek Hydroelectric Project	King	6 MW	PUD No 1 of Snohomish County - (WA)
Cedar Hills	King	5.4 MW	King County Solid Waste Division
Camas Solar Project	Kittitas	5 MW	Altus Power America Management, LLC
Penstemon Solar Project	Kittitas	5 MW	Altus Power America Management, LLC
Urtica Solar Project	Kittitas	5 MW	Altus Power America Management, LLC
West Point Treatment Plant	King	4.6 MW	King County Dept-Natural Res - (WA)
Darrington	Snohomish	4.5 MW	Hampton Lumber Mills - Washington Inc
LRI LFGTE Facility	Pierce	4.5 MW	Frontier Operation Services
Swauk Wind LLC	Kittitas	4.3 MW	Gamesa Wind US LLC
Weeks Falls	King	4.3 MW	Eagle Creek Renewable Energy, LLC
Horn Rapids Solar, Storage and Training	Benton	4.2 MW	Energy Northwest
Grimes Way	Whitman	4 MW	Washington State University
Black Creek	King	3.7 MW	Black Creek Hydro Inc
Crystal Mountain	Pierce	2.7 MW	Puget Sound Energy Inc
Drop 2 (WA)	Yakima	2.5 MW	Yakama Power
Newhalem	Whatcom	2.3 MW	City of Seattle - (WA)
Potholes East Canal 66.0	Franklin	2.3 MW	Columbia Basin Hydropower
Eltopia Branch Canal 4.6	Franklin	2.2 MW	Columbia Basin Hydropower
Twin Reservoirs	Walla Walla	2.2 MW	City of Walla Walla - (WA)
Glacier Battery Storage	Whatcom	2 MW	Puget Sound Energy Inc
Meyers Falls	Stevens	1.8 MW	Hydro Technology Systems Inc
Cowiche	Yakima	1.7 MW	Yakima-Tieton Irrigation Dist
Drop 3 (WA)	Yakima	1.6 MW	Yakama Power
Orchard Avenue 1	Yakima	1.6 MW	Yakima-Tieton Irrigation Dist
Rocky Brook Hydroelectric	Jefferson	1.6 MW	Rocky Brook Electric Inc
Sheep Creek Hydro	Stevens	1.6 MW	Sheep Creek Hydro Inc
Arlington Microgrid	Snohomish	1.5 MW	PUD No 1 of Snohomish County - (WA)
Nooksack Hydro	Whatcom	1.5 MW	Puget Sound Hydro LLC
Lilliwaup Falls Generating	Mason	1.4 MW	William G. Reed Jr
Biotech LS 0836	Whitman	1 MW	Washington State University
Skookumchuck	Thurston	1 MW	TransAlta Centralia Gen LLC
AGATE BESS	Kitsap	0 MW	BrightNight Power
Arlington Battery Energy Storage System	Snohomish	0 MW	PUD No 1 of Snohomish County - (WA)
Bluebird Solar	Klickitat	0 MW	Avangrid Power LLC
Carriger	Klickitat	0 MW	Cypress Creek Renewables
Centralia Battery Energy Storage System	Thurston	0 MW	CENT bn, LLC
Greenwater BESS	Pierce	0 MW	GREE bn, LLC
High Top Solar	Yakima	0 MW	Cypress Creek Renewables
Hop Hill Solar Generation and BESS	Benton	0 MW	HOHI bn, LLC
Lower Snake Solar Generation BESS	Garfield	0 MW	LOSN, LLC
Orion - Helion	Chelan	0 MW	Helion Energy, Inc.
Ostrea Solar, LLC	Yakima	0 MW	Cypress Creek Renewables
Royal Slope	Grant	0 MW	Royal Slope Solar LLC
Saddle Mountain East Wind Farm	Adams	0 MW	EDP Renewables North America LLC
SR Quincy Valley	Grant	0 MW	SR Quincy Valley, LLC