Summary of Electricity Activity in Mason County, WA

Summary of Mason County, WA Generation

Mason County, WA is ranked #1,245 out of 2,200 U.S. counties nationwide and #28 out of 30 Washington counties in terms of total annual net electricity generation.

Annual Generation 273.6 GWh
Annual Consumption 1.2 M MMBtu
Last UpdateDec 2025
Power Plants3
Companies on File2

Map of Top Producing Plants in Mason County, WA

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Overall National Rank

#1,245 /2,200 U.S. Counties

In Net Annual Generation

Overall State Rank

#28 /30 Washington Counties

In Net Annual Generation

Overall Annual Net Geneneration

273.6 GWh

Total Annual Fuel Consumption

1.2 M MMBtu

Electric Companies in Mason County, WA

2

Mason County, WA
Power Plants

3

Annual Net Generation From hydroelectric power

273.6 GWh

National Rank in Terms of hydroelectric Net Electricity Generation

#144 /538 U.S. Counties

State Rank in Terms of hydroelectric Net Electricity Generation

#18 /26 Washington Counties

Monthly Net Generation for Mason County, WA

Monthly Plant Fuel Consumption for Mason County, WA

Net Generation by Fuel Source

Net Generation by Fuel Source Breakdown

State RankNational RankGenerationFuel Consumption
All#28 / 30#1245 / 2200273.57 GWh1.15 M MMBtu
Water#18 / 26#144 / 538273.57 GWh1.15 M MMBtu

Power Plants in Mason County, WA

PlantUtility NameGenerationConsumptionFuel Types
Cushman 2City of Tacoma - (WA)160.5 GWh685.2 k MMBtu Water
Cushman 1City of Tacoma - (WA)107.8 GWh446.1 k MMBtu Water
Lilliwaup Falls GeneratingWilliam G. Reed Jr5.3 GWh21.1 k MMBtu Water

Electricity Generation for Neighboring Counties

National RankCountyNet Generation# Power Plants
-Clallam County0.0 Wh3
#1379Clatsop County173.1 GWh2
#357Cowlitz County3.6 TWh6
#533Grays Harbor County1.8 TWh6
#1954Jefferson County8.2 GWh3
#1117King County392.2 GWh12
#180Lewis County7.6 TWh8
#492Pierce County2.1 TWh14
#1145Snohomish County359.3 GWh9
#1056Thurston County439.7 GWh4

Electricity Generation for Cities Located in Mason County, WA

State RankCityNet Generation# Power Plants
#74Hoodsport, WA5.3 GWh1
#42Shelton, WA268.2 GWh2