Palo Verde — Maricopa, AZ — Operational Power Plant
EIA 860M DataOperational
Total Capacity
4,209.6 MW
Summer: 3,937 MW | Winter: 4,003 MW
Technology
Nuclear
3 generators
First Unit Online
January 1, 1986
Palo Verde is a nuclear power plant in Maricopa County, AZ with 3 generating units totaling 4,209.6 MW of nameplate capacity. It is operated by Arizona Public Service Co. Its first unit came online in 1986.
About this plant
The Palo Verde Generating Station is a nuclear power plant located near Tonopah, Arizona about 45 miles (72 km) west of downtown Phoenix. Palo Verde generates the second most electricity of any power plant in the United States per year, and is the second largest power plant by net generation as of 2021. Palo Verde has the third-highest rated capacity of any U.S power plant. It is a critical asset to the Southwest, generating approximately 32 million megawatt-hours annually.
Source: Wikipedia
Capacity rank
- #2 in the U.S. by capacity
- #1 in AZ by capacity
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Monthly generation history
Source: EIA Form 923
Generators (3)
Operational
3 generators
3 operational generators totaling 4,209.6 MW · online 1986–1988
Plant Information
| Plant ID | 6008 |
| Plant Name | Palo Verde |
| Operator | Arizona Public Service Co |
| Sector | Electric Utility |
| Balancing Authority | SRP |
| Power Market | |
| County | Maricopa |
| State | Arizona (all interconnection requests in Arizona) |
| Status | Operational |
| Generation Type(s) | Nuclear |
| Total Nameplate Capacity (MW) | 4209.6 |
| Total Summer Capacity (MW) | 3937 |
| Total Winter Capacity (MW) | 4003 |
| Generating Units | 3 |
| Operational Units | 3 |
| Planned Units | 0 |
U.S. county map showing Maricopa, AZ
Data source: U.S. Energy Information Administration EIA Form 860M
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