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800 MW Batteries (400 MW) + Solar Photovoltaic (400 MW) under construction in Emery, UT — PacifiCorp - East
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
| 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
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $1.1B
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-04-19
View all 5 articlesPacifiCorp - East (PACE)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP