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1519 MW Natural Gas Fired Combined Cycle (1127 MW) + Natural Gas Fired Combustion Turbine (392 MW) under construction in Maricopa, AZ — Salt River Project
1,519 MW
Nameplate Capacity
14
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine
2002
Operating Since
Coordinates
33.3346, -112.8406
County
Maricopa, AZ
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Arizona Public Service Co | Arizona Public Service | — |
| Owner(s) | Arizona Public Service Co | Pinnacle West Capital | — |
| Status | Under construction | — | — |
Red Hawk is a natural gas-fired combined cycle power plant located in Maricopa County, Arizona. The plant has a total capacity of 1127 MW spread across 6 generators. It began operating in 2002 and is owned by Pinnacle West Capital and operated by Arizona Public Service Co (APS). Red Hawk ranks as the 4th largest power plant in Arizona out of 26, and 133rd 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 most recent year of available data, Red Hawk generated 4,842,624 MWh of electricity, achieving a capacity factor of 49.0%.
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
500.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
231.6K MWh
Latest Month
4.8M MWh
Annual Generation
49.0%
Capacity Factor
CO₂ Intensity
830 lb/MWh
NOx
0.064 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
44.4%
Annual Net Gen
4431 GWh
CO₂eq
831 lb/MWh
Subregion
WECC Southwest
2013
$965/kW
Est. Construction Cost
Total estimated cost: $1.5B
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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