Brownfield & Retired Power Plant Sites in Montana
7 catalogued brownfield and retired-generation sites in Montana, listed by former capacity. Each carries an existing utility-scale grid interconnection that a new datacenter load may be able to re-use.
| Site | Former use | Capacity | Retired | County |
|---|---|---|---|---|
| Colstrip | coal | 716 MW | 2020-01-01 | Rosebud |
| J E Corette Plant | coal | 173 MW | 2015-03-01 | Yellowstone |
| Lewis & Clark | coal | 50 MW | 2021-03-01 | Richland |
| Rainbow (MT) | hydro | 37 MW | 2013-04-01 | Cascade |
| Hauser | hydro | 12 MW | 2023-09-01 | Lewis and Clark |
| Madison Dam | hydro | 9 MW | 2019-10-01 | Madison |
| Zortman-Landusky Mine | mine | 0 MW | — | — |
See all datacenter candidate sites in Montana →
Dataset updated . Screening estimates derived from public data sources.
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This page shows a public slice of the GridCensus dataset for brownfield sites in Montana. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.