Battery storage projects in Alaska
Alaska has 7 operating battery storage projects with 0.1 GW of capacity.
- Operating7
Under 50 MW50–249 MW250 MW and up
Updated monthly. Last updated November 2026.
The largest battery storage projects in Alaska
Operating, by capacity
| # | Battery storage project | Year online | Capacity |
|---|---|---|---|
| 1 | Soldotna | 2022 | 47 MW |
| 2 | Battery Energy Storage System | 2003 | 40 MW |
| 3 | International Battery Substation (IBSS) | 2024 | 40 MW |
| 4 | ESS Battery Microgrid | 2012 | 3 MW |
| 5 | Flywheel Energy Storage System Microgrid | 2015 | 2 MW |
| 6 | Kotzebue Hybrid | 2015 | 1 MW |
| 7 | Eyak Service Center BESS | 2019 | 1 MW |
Battery storage projects that came online most recently in Alaska
Newest first
| # | Battery storage project | Year online | Capacity |
|---|---|---|---|
| 1 | International Battery Substation (IBSS) | 2024 | 40 MW |
| 2 | Soldotna | 2022 | 47 MW |
| 3 | Eyak Service Center BESS | 2019 | 1 MW |
| 4 | Kotzebue Hybrid | 2015 | 1 MW |
| 5 | Flywheel Energy Storage System Microgrid | 2015 | 2 MW |
| 6 | ESS Battery Microgrid | 2012 | 3 MW |
| 7 | Battery Energy Storage System | 2003 | 40 MW |
The developer behind each project is on paid plans. See plans
How Cleanview tracks battery storage projects
Operating battery storage projects come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.
Questions about battery storage projects in Alaska
- How many battery storage projects are in Alaska?
- Alaska has 7 operating utility-scale battery storage projects with 0.1 GW of capacity, according to the EIA's monthly survey of power plants.
- What is the largest battery storage project in Alaska?
- Soldotna in Kenai Peninsula County, Alaska is the largest, at 47 MW. It came online in 2022.
- How many battery storage projects were built in Alaska in 2025?
- 0 battery storage projects came online in Alaska in 2025, with 0 MW of capacity.
- Who is developing battery storage projects in Alaska?
- Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.
More energy trackers for Alaska
Battery storage projects in other states
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