Summary of Electricity Activity in King County, WA

Summary of King County, WA Generation

King County, WA is ranked #1,114 out of 2,116 U.S. counties nationwide and #25 out of 31 Washington counties in terms of total annual net electricity generation.

Annual Generation 330.8 GWh
Annual Consumption 3.0 M MMBtu
Last UpdateJan 2025
Power Plants12
Companies on File9

Map of Top Producing Plants in King County, WA

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Overall National Rank

#1,114 /2,116 U.S. Counties

In Net Annual Generation

Overall State Rank

#25 /31 Washington Counties

In Net Annual Generation

Overall Annual Net Geneneration

330.8 GWh

Total Annual Fuel Consumption

3.0 M MMBtu

Electric Companies in King County, WA

9

King County, WA
Power Plants

12

Annual Net Generation From hydroelectric power

315.0 GWh

National Rank in Terms of hydroelectric Net Electricity Generation

#133 /550 U.S. Counties

State Rank in Terms of hydroelectric Net Electricity Generation

#14 /26 Washington Counties

Monthly Net Generation for King County, WA

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Net Generation by Fuel Source

Water
Natural Gas
Other Biomass Gas
Landfill Gas
Distillate Fuel Oil
95.2%

Net Generation by Fuel Source Breakdown

State RankNational RankGenerationFuel Consumption
All#25 / 31#1114 / 2116330.78 GWh3.02 M MMBtu
Water#14 / 26#133 / 550314.96 GWh1.18 M MMBtu
Natural Gas#11 / 13#773 / 9278.01 GWh1.63 M MMBtu
Other Biomass Gas#1 / 1#34 / 537.21 GWh87.43 k MMBtu
Landfill Gas#2 / 2#246 / 248405.42 MWh84.08 k MMBtu
Distillate Fuel Oil#5 / 7#449 / 730184.81 MWh39.27 k MMBtu

Power Plants in King County, WA

PlantUtility NameGenerationConsumptionFuel Types
Snoqualmie 2Puget Sound Energy Inc104.4 GWh387.5 k MMBtu Water
SnoqualmiePuget Sound Energy Inc61.9 GWh223.3 k MMBtu Water
Twin Falls HydroCentral Rivers Power US, LLC50.0 GWh188.1 k MMBtu Water
South Fork ToltCity of Seattle - (WA)30.1 GWh117.4 k MMBtu Water
Cedar Falls (WA)City of Seattle - (WA)25.2 GWh108.0 k MMBtu Water
Hancock Creek Hydroelectric ProjectPUD No 1 of Snohomish County16.6 GWh57.6 k MMBtu Water
Calligan Creek Hydroelectric ProjectPUD No 1 of Snohomish County9.4 GWh33.0 k MMBtu Water
Weeks FallsEagle Creek Renewable Energy, LLC8.8 GWh33.1 k MMBtu Water
Black CreekBlack Creek Hydro Inc8.6 GWh31.0 k MMBtu Water
University of Washington Power PlantUniversity of Washington8.1 GWh1.6 M MMBtu Natural Gas : 98.3% Distillate Fuel Oil : 1.7%
West Point Treatment PlantKing County Dept-Natural Res7.2 GWh87.4 k MMBtu Other Biomass Gas
Cedar HillsBio Energy Washington, LLC454.0 MWh103.8 k MMBtu Landfill Gas : 89.3% Distillate Fuel Oil : 10.7%

Electricity Generation for Neighboring Counties

National RankCountyNet Generation# Power Plants
#178Chelan County7.4 TWh4
#1653Jefferson County35.5 GWh2
#643Kittitas County1.2 TWh9
#185Lewis County7.2 TWh8
#1153Mason County290.0 GWh3
#429Pierce County2.7 TWh13
#518Skagit County1.8 TWh4
#1118Snohomish County329.5 GWh9
#1009Thurston County430.2 GWh3
#1397Yakima County113.9 GWh12

* Net Generation data is based on the last 12 months since Jan 2025

Electricity Generation for Cities Located in King County, WA

State RankCityNet Generation# Power Plants
#80Maple Valley, WA454.0 MWh1
#53North Bend, WA114.1 GWh4
#69Seattle, WA15.4 GWh2
#48Snoqualmie, WA200.9 GWh5

* Net Generation data is based on the last 12 months since Jan 2025