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33 MW Geothermal operating in Malheur, OR
33 MW
Nameplate Capacity
3
Generators
units
Geothermal
Technology
2012
Operating Since
Coordinates
44.0231, -117.4681
County
Malheur, OR
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | US Geothermal Inc. | US Geothermal Inc | — |
| Owner(s) | USG Oregon LLC | US Geothermal Inc | — |
| Status | Operating | operating | — |
GEM identifies the owner as US Geothermal Inc
This entity is not yet in the GEM ownership database — chain unavailable.
The Neal Hot Springs Geothermal Project is a 33 MW geothermal power plant located in Malheur County, Oregon. The plant, which began operating in 2012, is owned and operated by US Geothermal Inc. It utilizes geothermal technology and consists of three generators. The plant is the largest of two geothermal plants in Oregon and ranks 36th out of 70 geothermal plants nationally.
The Neal Hot Springs Geothermal Project operates within the Western Electricity Coordinating Council (WECC) NERC region and is under the balancing authority of the Idaho Power Company. In its latest year of reported generation, the plant produced 168,873 MWh of electricity, achieving a capacity factor of 58.3%.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Idaho Power Company (IPCO)
Grid Voltage
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
18.9K MWh
Latest Month
168.9K MWh
Annual Generation
58.3%
Capacity Factor
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CO₂ Intensity
0 lb/MWh
NOx
0.000 lb/MWh
SO₂
0.000 lb/MWh
CH₄
—
N₂O
—
Capacity Factor
60.9%
Annual Net Gen
176 GWh
CO₂eq
0.000 lb/MWh
Subregion
WECC Northwest
2013
$2,851/kW
Est. Construction Cost
Total estimated cost: $94.1M
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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.
Last updated 2026-03-26
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