Black Mountain Generating Station

Black Mountain Generating Station is a 121 MW natural gas power plant in Mohave County, Arizona, operated by UNS Electric, Inc. EIA-860M lists 2 generating units here. Its units entered service in 2008.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
121 MW
86 MW net summer
Generating units
2
In service
2008
EIA plant ID
56482

Where it is

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County
Mohave County, Arizona
Coordinates
35.0361, -114.1594
Balancing authority
TEPC
Sector
Electric Utility

Units, technology and status

Operator of record
UNS Electric, Inc
Primary energy source
Natural gas
Technologies
Natural Gas Fired Combustion Turbine
Status
Operating

Every plant UNS Electric, Inc reports to EIA →

Black Mountain Generating Station: FAQ

Where is Black Mountain Generating Station?
In Mohave County, Arizona (AZ). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Black Mountain Generating Station?
121 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Black Mountain Generating Station?
EIA-860M names UNS Electric, Inc as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Black Mountain Generating Station LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — UNS Electric, Inc here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Black Mountain Generating Station LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Black Mountain Generating Station still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.