Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
619 MW Natural Gas operating in Maricopa, AZ — Tucson Electric Power Company
619 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2003
Operating Since
Coordinates
32.9750, -112.6944
County
Maricopa, AZ
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Salt River Project | UNS Electric | — |
| Owner(s) | Tucson Electric Power Co, UNS Electric, Inc | Fortis | — |
| Status | Operating | — | — |
Gila River Power Block 3 is a 619 MW natural gas-fired combined cycle power plant located in Maricopa County, Arizona. The plant began operating in 2003 and consists of 3 generators. It is owned by Fortis, a Canadian company, and operated by Salt River Project. The plant operates within the Tucson Electric Power Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year of data, Gila River Power Block 3 generated 2,914,751 MWh of electricity, achieving a capacity factor of 53.4%. The plant's installed cost was $551.23 per kW, according to FERC data. Gila River Power Block 3 is ranked as the 17th largest power plant out of 26 in Arizona, and 384th largest out of 945 nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
215.1K MWh
Latest Month
2.9M MWh
Annual Generation
53.4%
Capacity Factor
Gas turbine · UNS Electric, Inc. · Data from 2015–2024
$645/kW
Installed Cost
$31/kW
Annual CapEx
$21.6/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
No news articles linked yet for this plant.
News enrichment runs on demand — we have the pipeline, we just haven't fetched coverage for this plant yet. Request a detailed re-run and we'll add it.
No ask pi reports yet for this entity.
ask pi about Gila River Power Block 3Tucson Electric Power Company (TEPC)
Grid Voltage
500.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility