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Battery storage facilities in Washington

9 battery storage facilities in Washington, totaling 604 MW of nameplate capacity. Source: EIA.

Development pipeline — planned & under construction

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Planned pipeline — new additions by fuel type

Largest next additions — planned & under construction

Greenwater BESS
Battery storage · TBD, Washington · Under construction · exp. 2026
200 MW
Centralia Battery Energy Storage System
Battery storage · Bucoda, Washington · Under construction · exp. 2028
200 MW
AGATE BESS
Battery storage · Poulsbo, Washington · Under construction · exp. 2027
170 MW
Arlington Battery Energy Storage System
Battery storage · Arlington, Washington · Under construction · exp. 2026
25 MW

All battery storage plants in Washington

Greenwater BESS
Battery storage · TBD, Washington · Under construction · exp. 2026
200 MW
Centralia Battery Energy Storage System
Battery storage · Bucoda, Washington · Under construction · exp. 2028
200 MW
AGATE BESS
Battery storage · Poulsbo, Washington · Under construction · exp. 2027
170 MW
Arlington Battery Energy Storage System
Battery storage · Arlington, Washington · Under construction · exp. 2026
25 MW
MESA 2
Battery storage · Everett, Washington · Retired
2 MW
Glacier Battery Storage
Battery storage · Glacier, Washington · Operating · COD 2016
2 MW
MESA 1
Battery storage · Everett, Washington · Retired
2 MW
Arlington Microgrid
Battery storage · Arlington, Washington · Operating · COD 2019
2 MW
Turner Energy Storage Project
Battery storage · Pullman, Washington · Retired
1 MW

Source: U.S. Energy Information Administration (EIA-860M)