Power plant · Wyoming, United States
Rock River I LLC
Rock River I LLC is a closed wind power plant in Wyoming, United States, with 50 MW of capacity, operated by Shell Wind Energy Inc.
Grid connection
It closed in 2022, which freed up a 50 MW grid connection at 135 kV to the grid of PacifiCorp, unless it has been reassigned since.
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 | Closed | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 2001 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| End year | 2022 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Shell Wind Energy Inc. | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 50 MW (nameplate of its retired generators) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Onshore Wind Turbine | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Grid operator | PacifiCorp | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Voltage | 135 kV | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 41.7172, -106.1077 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
Research on this power plant and its operator.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the operator.
Request researchHow it compares
Rock River I LLC is the 8th-largest of 8 power plants in Wyoming and the 1,009th-largest of 1,009 in the United States by capacity; its 50 MW is <0.1% of the 917,512 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.
| Within | Rank | Total | Share |
|---|---|---|---|
| Wyoming | 8th of 8 | 7,340 MW | 0.68% |
| United States | 1,009th of 1,009 | 917,512 MW | <0.1% |
| All power plants in our data | 3,660th of 15,799 | 1,918,113 MW | <0.1% |
Timeline
Dated facts about this power plant from its sources, oldest first.
- Started operating
- Retired
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
- Chokecherry and Sierra Madre Wind3,551 MW · under construction
Data on this page
- Contains public sector information licensed under the Open Government Licence v3.0. DUKES 5.11: Power stations in the United Kingdom, Open Government Licence v3.0.
- 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.
- JRC Open Power Plants Database (JRC-PPDB-OPEN), European Commission, Joint Research Centre. JRC Open Power Plants Database (JRC-PPDB-OPEN), CC BY 4.0.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- Dutch power station owners' and operators' pages. Dutch power station owners' and operators' pages, Facts only, each linked to its page.
- 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.