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800 MW Batteries (400 MW) + Solar Photovoltaic (400 MW) under construction in Emery, UT
800 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
—
Operating Since
Coordinates
38.9987, -111.1172
County
Emery, UT
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Green River Energy Center, LLC | — | — |
| Owner(s) | Green River Energy Center, LLC | — | — |
| Status | Under construction | construction | — |
The Green River Energy Center - Hybrid is a large hybrid power plant located in Emery County, Utah. It has a total capacity of 800 MW and is operated by Green River Energy Center, LLC. The plant utilizes two generators and combines battery storage with solar photovoltaic technology. The primary fuel type is electricity (MWH), reflecting its hybrid nature.
The facility is the largest of six hybrid plants in Utah and ranks 24th out of 514 hybrid plants nationally. The solar component uses a fixed tilt tracking system. The Green River Energy Center - Hybrid operates within the PacifiCorp - East balancing authority and is part of the Western Electricity Coordinating Council (WECC) NERC region.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
PacifiCorp - East (PACE)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $1.1B
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This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-04-19
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