Granite Mountain Solar West, LLC — Plant Summary
- EIA Plant ID
- 59945
- Capacity
- 50.4 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Iron, UT
- Operating Since
- 2016
- Generators
- 1
- Operator
- Clearway Renewable Operation & Maintenance LLC
- Parent Company
- Clearway Energy
- Annual Generation
- 125,158 MWh
- Capacity Factor
- 28.3%
- Balancing Authority
- PacifiCorp - East
- ISO/RTO
- —
- NERC Region
- WECC
Granite Mountain Solar West, LLC
OperatingSolar
Ranked #29 of 58 Solar plants in UT#1299 of 7447 nationally
50.4 MW Solar operating in Iron, UT — PacifiCorp - East
EIAGEMWD
50.4 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2016
Operating Since
Location
Coordinates
37.7860, -113.2803
County
Iron, UT
Nearby Plants
- Granite Mountain Solar East, LLCSolar80 MW · 4.5 km
- Fiddler's Canyon #1Solar3 MW · 4.6 km
- Fiddler's Canyon #2Solar3 MW · 6.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Clearway Renewable Operation & Maintenance LLC | SunEdison; Dominion Energy | — |
| Owner(s) | Clearway Energy, Inc | Clearway Energy | — |
| Status | Operating | operating | — |
Ownership Chain
About
Granite Mountain Solar West, LLC is a 50.4 MW solar photovoltaic power plant located in Iron County, Utah. The plant began operating in 2016 and is owned by Clearway Energy. Clearway Renewable Operation & Maintenance LLC is the listed operator. The facility utilizes single-axis tracking to maximize solar energy capture. It is interconnected to the grid within the PacifiCorp - East balancing authority, operating within the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year of reported data, Granite Mountain Solar West generated 125,158 MWh of electricity, achieving a capacity factor of 28.3%. The plant is ranked as the 28th largest solar facility in Utah out of 58, and nationally it is ranked 1111 out of 7108 solar plants. Financial data is available for this plant from LBNL, suggesting public information on costs or power purchase agreement (PPA) terms may be accessible.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
PacifiCorp - East
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
OperationalSolar50.4 MWWest
Generation
5.9K MWh
Latest Month
125.2K MWh
Annual Generation
28.3%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$47.7/MWh
LCOE (Levelized Cost)
$15.5/MWh
Energy Value
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
General
Clearway Energy, Inc. Reports Full Year 2025 Financial Results
Achieved 2025 financial results at the top end of the original guidance range Fleet Enhancement program advanced with repowerings for...
Investing News Network·4 weeks ago
General
Clearway Energy, Inc. Reports Full Year 2025 Financial Results
Achieved 2025 financial results at the top end of the original guidance range Fleet Enhancement program advanced with repowerings for...
Investing News Network·4 weeks ago
General
Clearway Signs Portfolio of Power Purchase Agreements with Google Totaling Nearly 1.2 GW Across Three States
Clearway Energy Group announced the 2025 execution of three new long-term power purchase agreements with Google totaling 1.17 GW of...
Investing News Network·2 months ago
General
Clearway Signs Portfolio of Power Purchase Agreements with Google Totaling Nearly 1.2 GW Across Three States
Clearway Energy Group announced the 2025 execution of three new long-term power purchase agreements with Google totaling 1.17 GW of...
Investing News Network·2 months ago
Last updated 2026-03-26
View all 10 articles