State profile
Data centers & battery storage in Wisconsin
15 tracked projects · 2,884 MW · 4 data centers, 11 battery (BESS) sites
Below is every data center and battery energy storage (BESS) project we track in Wisconsin, ranked by capacity. Battery projects are sourced from the federal EIA-860M inventory; data centers are hand-curated with a public source on each entry. See the methodology for details.
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All Wisconsin projects
| Project | Operator | Type | Location | Capacity | Status | Year | Source |
|---|---|---|---|---|---|---|---|
| Stargate Port Washington (Vantage Lighthouse) | Vantage / Oracle / OpenAI | Data center | Port Washington | 1,300 MW | Under construction | 2028 | source ↗ |
| Microsoft Fairwater (Mount Pleasant) | Microsoft | Data center | Mount Pleasant | 750 MW | Operating | 2026 | source ↗ |
| CoreWeave Kenosha | CoreWeave | Data center | Kenosha | 200 MW | Under construction | 2026 | source ↗ |
| Dawn Break Solar | Dawn Break Solar, LLC | BESS | Waushara | 180 MW | Planned | 2029 | source ↗ |
| Paris Solar | Wisconsin Electric Power Co | BESS | Racine | 110 MW | Operating | 2025 | source ↗ |
| Grant County | Wisconsin Power & Light Co | BESS | Grant | 100 MW | Operating | 2025 | source ↗ |
| Edgewater | Wisconsin Power & Light Co | BESS | Sheboygan | 99 MW | Under construction | 2026 | source ↗ |
| Wood County | Wisconsin Power & Light Co | BESS | Wood | 75 MW | Operating | 2025 | source ↗ |
| Sunnyside Solar Energy Center | Madison Gas & Electric Co | BESS | Dane | 40 MW | Under construction | 2026 | source ↗ |
| Blount BESS | Madison Gas & Electric Co | BESS | Dane | 7 MW | Operating | 2026 | source ↗ |
| Huiskamp BESS | Madison Gas & Electric Co | BESS | Dane | 7 MW | Operating | 2026 | source ↗ |
| West Middleton BESS | Madison Gas & Electric Co | BESS | Dane | 7 MW | Operating | 2026 | source ↗ |
| Portage Industrial Battery | Wisconsin Power & Light Co | BESS | Columbia | 5 MW | Operating | 2022 | source ↗ |
| Boaz Microgrid Battery | Wisconsin Power & Light Co | BESS | Richland | 4 MW | Operating | 2023 | source ↗ |
| Meta Beaver Dam | Meta | Data center | Beaver Dam | — | Under construction | 2027 | source ↗ |