United States › Power plants › Battery storage › Alaska
BATTERY STORAGEInternational Battery Substation (IBSS)
International Battery Substation (IBSS) is a 40.0 MW operating battery storage site in Anchorage County, Alaska, operated by Chugach Electric Assn Inc. Its batteries store up to 80 MWh.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| IBSS | Batteries | 40 MW 80 MWh |
Plant details
- Operator
- Chugach Electric Assn Inc
- Location
- Anchorage County, Alaska
- Balancing authority
- CEA
- Sector
- Electric Utility
- Capacity
- Operating: 40.0 MW
- First unit online
- Oct 2024
- EIA plant ID
- 68611
Location
61.1699, -149.9131
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Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem