Power plant · Arizona, United States
Gila River Power Block 3
Gila River Power Block 3 is a power plant in Arizona, United States, with 619 MW of capacity, owned by Tucson Electric Power Co (75%) and UNS Electric, Inc (25%).
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Arizona | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 2003 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Tucson Electric Power Co (75%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | UNS Electric, Inc (25%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Salt River Project | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 619 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Natural Gas Fired Combined Cycle | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 32.9750, -112.6944 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
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How it compares
Gila River Power Block 3 is the 22nd-largest of 31 power plants in Arizona and the 572nd-largest of 800 in the United States by capacity; its 619 MW is <0.1% of the 839,036 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.
| Within | Rank | Total | Share |
|---|---|---|---|
| Arizona | 22nd of 31 | 28,652 MW | 2.2% |
| United States | 572nd of 800 | 839,036 MW | <0.1% |
| All power plants in our data | 620th of 4,829 | 1,037,268 MW | <0.1% |
Owners, operator and place
More from Tucson Electric Power Co
- Springerville1,779 MW
- Four Corners1,636 MW
- Luna Energy Facility650 MW
- Gila River Power Block 2619 MW
- H Wilson Sundt Generating Station529 MW
- Roadrunner Reserve Phase 2200 MW · under construction
Other power plants in Arizona
- Palo Verde4,210 MW
- Springerville1,779 MW
- Santan1,326 MW
- Glen Canyon Dam1,312 MW
- Harquahala Generating Project1,277 MW
- West Phoenix1,207 MW
- Red Hawk1,127 MW
- Hoover Dam (AZ)1,039 MW
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.