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800 MW Batteries (400 MW) + Solar Photovoltaic (400 MW) planned in Laramie, WY
800 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
Planned: —
Planned Operation
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Cowboy Solar I | — | — |
| Owner(s) | Cowboy Solar I | — | — |
| Status | Planned | announced | — |
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
Grid Region
Mountain West
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
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Request a demo →2023
$1,544/kW
Est. Construction Cost
Total estimated cost: $1.2B
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Request a demo →This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-26
View all 6 articlesWestern Area Power Administration - Rocky Mountain Region (WACM)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Top 10 solar states
Data tables and metrics from the InfraSure database.