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BATTERY STORAGEDecorah Battery
Decorah Battery is a 2.5 MW operating battery storage site in Winneshiek County, Iowa, operated by Interstate Power and Light Co. Its batteries store up to 3 MWh.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| BESS1 | Batteries | 2.5 MW 3 MWh |
Plant details
- Operator
- Interstate Power and Light Co
- Location
- Winneshiek County, Iowa
- Balancing authority
- MISO
- Sector
- Electric Utility
- Capacity
- Operating: 2.5 MW
- First unit online
- Jun 2021
- EIA plant ID
- 64375
Location
43.3240, -91.7930
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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