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69.2 MW Geothermal (47 MW) + Solar Photovoltaic (22 MW) operating in Churchill, NV
69.2 MW
Nameplate Capacity
5
Generators
units
Hybrid (2)
Technology
Geothermal + Solar Photovoltaic
2009
Operating Since
Coordinates
39.5475, -118.5556
County
Churchill, NV
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EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ormat Stillwater LLC | Enel Green Power | — |
| Owner(s) | EGP Stillwater Solar, LLC, Ormat Stillwater LLC | Enel | — |
| Status | Operating | operating | — |
The Stillwater Facility is a hybrid geothermal and solar photovoltaic power plant located in Churchill County, Nevada. The plant, which began operating in 2009, has a total capacity of 69.2 MW across 5 generators. It is owned by Enel, an Italian multinational, and operated by Ormat Stillwater LLC. The plant's primary fuel source is geothermal energy, supplemented by solar power. Stillwater is ranked as the 5th largest power plant in Nevada out of 27, and 17th nationally out of 70 geothermal plants.
In the most recent year of data, the Stillwater Facility generated 128,297 MWh of electricity, resulting in a capacity factor of 21.1%. The plant operates within the Nevada Power Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates a power purchase agreement (PPA) price of $75.84 per MWh. The solar component of the hybrid plant utilizes a fixed tilt tracking system.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Nevada Power Company (NEVP)
Grid Voltage
60.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
10.8K MWh
Latest Month
128.3K MWh
Annual Generation
21.1%
Capacity Factor
CO₂ Intensity
0 lb/MWh
NOx
0.000 lb/MWh
SO₂
0.000 lb/MWh
CH₄
—
N₂O
—
Capacity Factor
20.4%
Annual Net Gen
124 GWh
CO₂eq
0.000 lb/MWh
Subregion
WECC Northwest
Ormat Stillwater LLC · Data from 2012–2025
$75.8/MWh
PPA Price
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
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