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726 MW Natural Gas operating in Pinal, AZ — Salt River Project
726 MW
Nameplate Capacity
12
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2011
Operating Since
Coordinates
32.9174, -111.5033
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 | — | — |
Coolidge Generation Station is a 726 MW natural gas-fired power plant located in Pinal County, Arizona. The plant began operating in 2011 and is owned and operated by Salt River Project. It consists of 12 natural gas-fired combustion turbine generators. The plant is located within the Salt River Project balancing authority area and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year of record, the Coolidge Generation Station produced 58,818 MWh of electricity, operating at a capacity factor of 0.9%. The plant is the 9th largest in Arizona out of 26 plants, and ranks 291st 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
1.5K MWh
Latest Month
58.8K MWh
Annual Generation
0.9%
Capacity Factor
CO₂ Intensity
1260 lb/MWh
NOx
0.213 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $700.7M
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
View all articlesNo ask pi reports yet for this entity.
ask pi about Coolidge Generation StationSalt River Project (SRP)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility
0.006 lb/MWh
CH₄
0.023 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
6.6%
Annual Net Gen
422 GWh
CO₂eq
1261 lb/MWh
Subregion
WECC Southwest