Cowboy Solar I — Plant Summary
- EIA Plant ID
- 68022
- Capacity
- 800 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries, Solar Photovoltaic
- Status
- Planned
- Location
- Laramie, WY
- Operating Since
- —
- Generators
- 2
- Operator
- Cowboy Solar I
- Parent Company
- —
- Balancing Authority
- Western Area Power Administration - Rocky Mountain Region
- ISO/RTO
- —
- NERC Region
- WECC
Cowboy Solar I
PlannedBESSSolarHybridGEM: announced
Ranked #2 of 2 BESS plants in WY#22 of 837 nationally
800 MW Batteries (400 MW) + Solar Photovoltaic (400 MW) planned in Laramie, WY — Western Area Power Administration - Rocky Mountain Region
EIAGEM
800 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
Planned: —
Planned Operation
Location
Coordinates
41.0330, -104.3816
County
Laramie, WY
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Cowboy Solar I | — | — |
| Owner(s) | Cowboy Solar I | — | — |
| Status | Planned | announced | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Cowboy Solar I is an 800 MW hybrid power plant located in Laramie County, Wyoming. The facility, owned and operated by Cowboy Solar I, combines solar photovoltaic generation with battery storage. It utilizes a fixed tilt solar tracking system. The plant's primary fuel source is listed as MWH, indicating the conversion of solar energy into electricity. With a total of two generators, Cowboy Solar I ranks as the second-largest solar facility in Wyoming and 19th nationally out of 514 solar plants.
The plant operates within the Western Electricity Coordinating Council (WECC) NERC region and is under the balancing authority of the Western Area Power Administration - Rocky Mountain Region. This indicates its role in maintaining grid stability and reliability within the broader western United States power grid. The plant has been the subject of five news articles, with regulatory matters being the most frequently covered topic (3 articles) followed by industry news (2 articles).
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Western Area Power Administration - Rocky Mountain Region
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (5)Beta
Industry·corporate
All You Need to Know About the Cowboy Solar I & II and BESS Project in Wyoming
Energy projects across the US are steadily advancing as other than the Cowboy Solar I & II and BESS Project the Ready Wyoming electric...
Cowboy Solar I & II (developer)Ready Wyoming (other)
constructionreviewonline.com·2 months ago
Regulatory·permitting
Permit for Cowboy Solar project near Cheyenne approved
CHEYENNE — What will soon be the largest solar farm in Wyoming and one of the largest in the country took another step toward realization in...
Cowboy Solar (developer)
WyomingNews.com·1 years ago
Regulatory·permitting
County approves permit for Cowboy Solar project
CHEYENNE – What will soon be the largest solar farm in Wyoming and one of the largest in the country took another step toward realization in...
Cowboy Solar (developer)
WyomingNews.com·1 years ago
Industry·corporate
Billion-dollar 'Cowboy Solar' project takes major step forward — here's how it will power hundreds of thousands of US homes
Wyoming is getting ready to build its largest solar farm, which will also have battery storage.
Cowboy Solar (developer)
The Cool Down·1 years ago
Last updated 2026-03-14
View all 5 articles