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573.7 MW Natural Gas Fired Combined Cycle (292 MW) + Natural Gas Fired Combustion Turbine (174 MW) + Natural Gas Steam Turbine (108 MW) operating in Maricopa, AZ — Salt River Project
573.7 MW
Nameplate Capacity
7
Generators
units
Hybrid (3)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine + Natural Gas Steam Turbine
1952
Operating Since
Coordinates
33.3556, -111.9353
County
Maricopa, AZ
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Salt River Project | Salt River Project | — |
| Owner(s) | Salt River Project | Salt River Project | — |
| Status | Operating | — | — |
The Kyrene power plant is a 573.7 MW natural gas-fired facility located in Maricopa County, Arizona. It is owned and operated by Salt River Project. The plant began operating in 1952 and consists of seven generators utilizing a mix of technologies, including natural gas fired combined cycle, natural gas fired combustion turbine, and natural gas steam turbine configurations. Kyrene is considered a hybrid plant.
In the most recent year of reported data, Kyrene generated 1,008,846 MWh of electricity, operating at a capacity factor of 20.0%. The plant's output is managed within the Salt River Project balancing authority, which falls under the Western Electricity Coordinating Council (WECC) NERC region. Kyrene ranks as the 20th largest power plant in Arizona out of 26, and 429th nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Salt River Project (SRP)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility
40.1K MWh
Latest Month
1.0M MWh
Annual Generation
20.0%
Capacity Factor
CO₂ Intensity
842 lb/MWh
NOx
0.068 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
25.0%
Annual Net Gen
1259 GWh
CO₂eq
843 lb/MWh
Subregion
WECC Southwest
2013
$965/kW
Est. Construction Cost
Total estimated cost: $553.7M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-04-09
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