Decorah Battery
Battery storage project in Winneshiek County, Iowa. 2.5 MW of nameplate capacity across 1 generator, operated by Interstate Power and Light Co.
Also known as EIA plant 64375
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2.5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- June 2021First generator online
- Operator
- Interstate Power and Light CoEIA operator ID 9417
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Winneshiek County, IA43.3240, −91.7930
- EIA plant ID
- 64375EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Decorah Battery produces
Free · EIA-923Net generation, 2025
−84 MWh
−84 MWh, final
Battery discharge, 2025
0 MWh
Charge 84 MWh
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2024 to 2025
−88.0–−84.0
MWh a year. Low 2024, high 2025
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | −88 | Not reported | 12 of 12 |
| 2025 | −84 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Battery plants can report negative net generation, when charging uses more energy than they discharge.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| BESS1 | Batteries | 2.5 | June 2021 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Interstate Power and Light Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Decorah Battery
More plants operated by Interstate Power and Light Co
Questions about Decorah Battery
How much power does Decorah Battery produce?
Decorah Battery reported −84 MWh (−84 MWh) of net generation in 2025.
Where is Decorah Battery?
Decorah Battery is in Winneshiek County, Iowa, at 43.3240, −91.7930. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Decorah Battery?
EIA-860M for August 2026 lists Interstate Power and Light Co as the operator (EIA operator ID 9417). The operator is not always the owner.
When did Decorah Battery start operating?
Its first generator began operating in June 2021, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page