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121 MW Natural Gas operating in Mohave, AZ
121 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2008
Operating Since
Coordinates
40.8320, -73.6474
County
Mohave, AZ
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | UNS Electric, Inc | UNS Electric | — |
| Owner(s) | UNS Electric, Inc | Fortis | — |
| Status | Operating | — | — |
Black Mountain Generating Station is a 121 MW natural gas-fired power plant located in Mohave County, Arizona. The plant began operating in 2008 and consists of two natural gas-fired combustion turbine generators. It is owned by Fortis, a Canadian company, and operated by UNS Electric, Inc., a subsidiary of Fortis. The plant's balancing authority is Tucson Electric Power Company, and it operates within the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year of data, Black Mountain Generating Station produced 86,351 MWh of electricity, resulting in a capacity factor of 8.1%. The plant ranks 24th out of 26 power plants in Arizona and 885th out of 945 plants nationally. According to FERC data, the plant had an installed cost of $512.26 per kW.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Tucson Electric Power Company (TEPC)
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
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.
1.9K MWh
Latest Month
86.4K MWh
Annual Generation
8.1%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
1267 lb/MWh
NOx
1 lb/MWh
SO₂
0.037 lb/MWh
CH₄
0.024 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
9.0%
Annual Net Gen
95 GWh
CO₂eq
1268 lb/MWh
Subregion
WECC Southwest
Gas turbine · UNS Electric, Inc. · Data from 2015–2024
$592/kW
Installed Cost
$-1/kW
Annual CapEx
$51.4/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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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.
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