Battery storage projects in Wisconsin
9 operating battery storage projects in Wisconsin with 315 MW of battery capacity, largest first. From EIA-860M, August 2026.
Projects
9
Battery capacity
315 MW
Net generation, 2025
263 GWh
6 of 9 projects reported
Largest battery storage projects in Wisconsin
| # | Plant | Battery MW | GWh, 2025 |
|---|---|---|---|
| 1 | Paris SolarRacine County · Solar and battery storage | 110 | 186* |
| 2 | Grant CountyGrant County · Solar and battery storage | 100 | 55.6* |
| 3 | Wood CountyWood County · Solar and battery storage | 75 | 19.7* |
| 4 | Blount BESSDane County | 7.0 | – |
| 5 | Huiskamp BESSDane County | 7.0 | – |
| 6 | West Middleton BESSDane County | 7.0 | – |
| 7 | Portage Industrial BatteryColumbia County | 5.0 | −0.5 |
| 8 | Boaz Microgrid BatteryRichland County | 3.6 | −0.1 |
| 9 | Middleton Biogas Solar, LLCDane County · Solar | 0.3 | 1.9 |
* 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
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