Battery storage projects in Alaska

6 operating battery storage projects in Alaska with 132 MW of battery capacity, largest first. From EIA-860M, August 2026.

Projects

6

Battery capacity

132 MW

Net generation, 2025

33.8 GWh

Largest

Soldotna

47 MW

Largest battery storage projects in Alaska

#PlantBattery MW2025 net generation, GWhGWh, 2025Operator
1SoldotnaKenai Peninsula · Natural gas and battery storage4720.0Homer Electric Assn Inc
2Battery Energy Storage SystemFairbanks North Star40−3.7Golden Valley Elec Assn Inc
3International Battery Substation (IBSS)Anchorage40−2.5*Chugach Electric Assn Inc
4ESS Battery MicrogridKodiak Island3.0−0.2Kodiak Electric Assn Inc
5Kotzebue HybridNorthwest Arctic · Oil1.220.3Kotzebue Electric Assn Inc
6Eyak Service Center BESSValdez Cordova1.0−0.1Cordova Electric Coop, Inc

* Fewer than 12 months of 2025 reported, so the total is partial.

Every project with battery storage, solar and wind hybrids included. MW is battery nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

More power plant lists for Alaska