745.1 MW Natural Gas Fired Combined Cycle (646 MW) + Natural Gas Fired Combustion Turbine (99 MW) operating in Pinal, AZ — Salt River Project
745.1 MW
Nameplate Capacity
5
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine
2001
Operating Since
Coordinates
32.9042, -111.7889
County
Pinal, AZ
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Salt River Project | Salt River Project | — |
| Owner(s) | Salt River Project | Salt River Project | — |
| Status | Operating | — | — |
Desert Basin is a 745.1 MW hybrid natural gas power plant located in Pinal County, Arizona. The plant began operating in 2001 and is owned and operated by Salt River Project. It consists of five generators utilizing both natural gas-fired combined cycle and natural gas-fired combustion turbine technologies. Desert Basin ranks as the 7th largest power plant in Arizona out of 26, and 278th nationally out of 945 plants.
The plant operates within the Salt River Project balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In the latest year of available data, Desert Basin generated 2,084,973 MWh of electricity, achieving a capacity factor of 31.8%.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Salt River Project
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Political Subdivision
Sector
Electric Utility
81.6K MWh
Latest Month
2.1M MWh
Annual Generation
31.8%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Last updated 2026-03-26
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