Power plant · Wyoming, United States
Cowboy Solar I
Cowboy Solar I is a planned battery storage plant in Wyoming, United States, with 800 MW of capacity, owned by Cowboy Solar I.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Wyoming | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Planned | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 2028 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Cowboy Solar I | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Cowboy Solar I | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 800 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Batteries | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Grid operator | Black Hills Power, Inc. | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Voltage | 230 kV | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 41.0330, -104.3816 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
Research on this power plant and its owner.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the owner.
Request researchHow it compares
Cowboy Solar I is the 3rd-largest of 7 power plants planned, permitted or under construction in Wyoming and the 51st-largest of 835 in the United States by capacity; its 800 MW is 0.28% of the 282,375 MW of power plants planned, permitted or under construction we hold for the United States. It is not built yet, so it is ranked among the power plants planned, permitted or under construction in our data, apart from the ones running today. Ranks and totals cover the ones that report their capacity.
| Within | Rank | Total | Share |
|---|---|---|---|
| Wyoming | 3rd of 7 | 7,081 MW | 11% |
| United States | 51st of 835 | 282,375 MW | 0.28% |
| All power plants planned, permitted or under construction in our data | 141st of 5,799 | 657,076 MW | 0.12% |
Nearby
Within 50 km of this power plant: 14 data centers (1 operating, 152 MW), 2 oil and gas fields and 1 water right, measured from the coordinates in the facts above. The table shows the nearest 6, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Hereford | Oil and gas field | 3,883 boe/day in 2025 | Operating | 8.9 km |
| Consolidated Larson D water right 0100620 19492.00000 | Water right | — | — | 14 km |
| Data center, Laramie County (OSM way 1197757147) | Data center | — | — | 31 km |
| Windbreak Cable | Data center | — | — | 31 km |
| Data center, Laramie County (OSM way 1485867694) | Data center | — | — | 34 km |
| DJ Horizontal NBRR-FH-CODL-CL | Oil and gas field | 15,489 boe/day in 2025 | Operating | 44 km |
Owner, operator, grid operator and place
Other power plants in Wyoming
- Jim Bridger2,326 MW
- Laramie River Station1,863 MW
- Dave Johnston817 MW
- Naughton707 MW
- Rock Creek Wind590 MW
- TB Flats503 MW
- Dry Fork Station484 MW
- Rock River I LLC50 MW
Data on this page
- Colorado DWR REST API. Colorado DWR REST API, CDSS Terms of Use.
- Colorado ECMC (formerly COGCC). Colorado ECMC (formerly COGCC), Free reuse.
- Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.
- Contains public sector information licensed under the Open Government Licence v3.0. Planning Inspectorate: National Infrastructure Projects, Open Government Licence v3.0.
- RVO SDE(+)(+) projecten in beheer and SDE viewer. RVO SDE(+)(+) projecten in beheer and SDE viewer, Free reuse, no attribution required.
- Wikidata. Wikidata, CC0 1.0.