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821.8 MW Sub. Coal operating in Apache, AZ — Salt River Project
821.8 MW
Nameplate Capacity
2
Generators
units
Conventional Steam Coal
Technology
1979
Operating Since
Coordinates
34.5789, -109.2708
County
Apache, AZ
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Salt River Project | Salt River Project | — |
| Owner(s) | Salt River Project | Salt River Project | — |
| Status | Operating | — | — |
The Coronado Generating Station is an 821.8 MW coal-fired power plant located in Apache County, Arizona. It began operating in 1979 and is owned and operated by Salt River Project. The plant utilizes two generators with conventional steam coal technology, burning subbituminous coal (SUB) as its primary fuel. Coronado is the second-largest coal plant in Arizona, and ranks 39th nationally out of 75 coal plants.
In the most recent year with available data, Coronado generated 2,933,440 MWh of electricity, achieving a capacity factor of 40.8%. The plant operates within the Salt River Project balancing authority and is part of the Western Electricity Coordinating Council (WECC) NERC region. Recent news coverage of the plant has focused on industry trends and regulatory matters.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
335.8K MWh
Latest Month
2.9M MWh
Annual Generation
40.8%
Capacity Factor
CO₂ Intensity
2599 lb/MWh
NOx
2 lb/MWh
SO₂
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
View all 9 articlesNo ask pi reports yet for this entity.
ask pi about CoronadoSalt River Project (SRP)
Grid Voltage
500.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility
0.082 lb/MWh
CH₄
0.266 lb/MWh
N₂O
0.039 lb/MWh
Capacity Factor
42.8%
Annual Net Gen
3082 GWh
CO₂eq
2617 lb/MWh
Subregion
WECC Southwest