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63.9 MW Geothermal operating in Humboldt, NV
63.9 MW
Nameplate Capacity
3
Generators
units
Geothermal
Technology
2009
Operating Since
Coordinates
30.4962, -103.4508
County
Humboldt, NV
Nearby Plants
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Owner data does not fully agree across sources.
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 | NGP Blue Mountain I LLC | AltaRock Energy | — |
| Owner(s) | NGP Blue Mountain I LLC | AltaRock Energy | — |
| Status | Operating | operating | — |
GEM identifies the owner as AltaRock Energy
This entity is not yet in the GEM ownership database — chain unavailable.
Blue Mountain Faulkner 1 Geothermal Power Plant is a geothermal power plant located in Humboldt County, Nevada, United States. It was acquired by Ormat Technologies in 2025. It was operated by AltaRock Energy since 2015 and, previously, Nevada Geothermal Power Inc. Produced electricity is sold to NV Energy through a 21-mile (34 km) 120-kV transmission line to the transmission grid connection at Mill City, Nevada.
Read more on WikipediaNGP Blue Mountain I LLC is a 63.9 MW geothermal power plant located in Humboldt County, Nevada. The plant began operating in 2009 and is owned and operated by NGP Blue Mountain I LLC. It utilizes geothermal technology with three generators. The plant is connected to the grid and operates within the Nevada Power Company balancing authority, which falls under the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, NGP Blue Mountain I LLC generated 182,814 MWh of electricity, achieving a capacity factor of 32.6%. The plant is ranked as the 6th largest out of 27 power plants in Nevada and 18th largest out of 70 geothermal plants nationally. Its primary fuel source is geothermal energy.
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
120.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
16.0K MWh
Latest Month
182.8K MWh
Annual Generation
32.6%
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
34.6%
Annual Net Gen
194 GWh
CO₂eq
0.000 lb/MWh
Subregion
WECC Southwest
2013
$2,851/kW
Est. Construction Cost
Total estimated cost: $182.2M
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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 2026-03-26
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