Brownfield & Retired Power Plant Sites in Colorado
33 catalogued brownfield and retired-generation sites in Colorado, 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 |
|---|---|---|---|---|
| Cherokee | coal | 421 MW | 2015-08-01 | Adams |
| Comanche (CO) | coal | 383 MW | 2022-12-01 | Pueblo |
| South Plant (CO) | gas | 257 MW | 2022-08-01 | El Paso |
| Arapahoe | coal | 241 MW | 2013-12-01 | Denver |
| Valmont | coal | 192 MW | 2017-09-01 | Boulder |
| Zuni | gas | 115 MW | 2015-12-01 | Denver |
| Nucla | coal | 114 MW | 2019-09-01 | Montrose |
| Pueblo Airport Generating Station | gas | 100 MW | — | Pueblo |
| Rifle Generating Station | gas | 84 MW | 2022-09-01 | Garfield |
| Cameo | coal | 75 MW | 2010-12-01 | Mesa |
| Lamar Plant | coal | 56 MW | 2014-09-01 | Prowers |
| W N Clark | coal | 44 MW | 2013-12-01 | Fremont |
| Brush Generation Facility | gas | 24 MW | 2024-01-01 | Morgan |
| Pueblo | gas | 23 MW | 2013-12-01 | Pueblo |
| Boulder Canyon Hydro | hydro | 20 MW | 2012-09-01 | Boulder |
| Trinidad (CO) | coal | 4 MW | 2017-01-01 | Las Animas |
| Tacoma | hydro | 4 MW | 2007-12-01 | La Plata |
| 3 MW LLC | gas | 3 MW | 2023-08-01 | Gunnison |
| Holly | oil | 2 MW | 2006-10-01 | Prowers |
| Rocky Ford | oil | 2 MW | 2018-09-01 | Otero |
| Fort Carson | rcra | 2 MW | — | — |
| Coyote Ridge Solar | landfill | 2 MW | — | — |
| Belmar Mixed-Use Development | brownfield | 2 MW | — | — |
| New Rifle Mill | brownfield | 2 MW | — | — |
| Front Range Project | gas | 2 MW | — | Weld |
| SECC | oil | 2 MW | 2014-04-01 | El Paso |
| Castle Creek Hydroplant | hydro | 1 MW | — | Pitkin |
| Dreher Pickle Plant | power_plant | 1 MW | — | — |
| Boulder Cowdery Meadows Solar Array | landfill | 1 MW | — | — |
| Aurora/Arapahoe Solar Array | brownfield | 1 MW | — | — |
| Norwood Landfill Community Solar | landfill | 0 MW | — | — |
| Place Bridge Academy | landfill | 0 MW | — | — |
| Lamar Station Crossing | brownfield | 0 MW | — | — |
See all datacenter candidate sites in Colorado →
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 Colorado. 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.