Granite Mountain Solar East, LLC — Plant Summary
- EIA Plant ID
- 59946
- Capacity
- 80 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
- 203,111 MWh
- Capacity Factor
- 29.0%
- Balancing Authority
- PacifiCorp - East
- ISO/RTO
- —
- NERC Region
- WECC
Granite Mountain Solar East, LLC
OperatingSolar
Ranked #15 of 58 Solar plants in UT#889 of 7447 nationally
80 MW Solar operating in Iron, UT — PacifiCorp - East
EIAGEMWD
80 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2016
Operating Since
Location
Coordinates
37.7722, -113.2319
County
Iron, UT
Nearby Plants
- Fiddler's Canyon #1Solar3 MW · 2.9 km
- Granite Mountain Solar West, LLCSolar50.4 MW · 4.5 km
- Fiddler's Canyon #2Solar3 MW · 4.6 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 East, LLC is an 80 MW solar photovoltaic power plant located in Iron County, Utah. The plant, which began operating in 2016, is owned by Clearway Energy and operated by Clearway Renewable Operation & Maintenance LLC. It utilizes a single-axis tracking system to maximize solar energy capture. The plant is interconnected with the PacifiCorp - East balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
In its most recent year of operation, Granite Mountain Solar East generated 203,111 MWh of electricity, achieving a capacity factor of 29.0%. The facility consists of a single generator. Granite Mountain Solar East ranks as the 11th largest solar plant in Utah (out of 58) and 710th largest in the United States (out of 7108). Financial data indicates that information may be available from LBNL solar sources.
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
Generation
10.0K MWh
Latest Month
203.1K MWh
Annual Generation
29.0%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$46.8/MWh
LCOE (Levelized Cost)
$15.7/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