Mesquite Generating Station Block 2 — Plant Summary
- EIA Plant ID
- 55481
- Capacity
- 691.6 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Maricopa, AZ
- Operating Since
- 2003
- Generators
- 3
- Operator
- Mesquite Power LLC
- Parent Company
- Onward Energy Holdings
- Annual Generation
- 3,951,425 MWh
- Capacity Factor
- 65.1%
- Balancing Authority
- Salt River Project
- ISO/RTO
- —
- NERC Region
- WECC
Mesquite Generating Station Block 2
OperatingNatural Gas
Ranked #14 of 33 Natural Gas plants in AZ#319 of 2009 nationally
691.6 MW Natural Gas operating in Maricopa, AZ — Salt River Project
EIAWD
691.6 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2003
Operating Since
Location
Coordinates
33.3450, -112.8642
County
Maricopa, AZ
Nearby Plants
- Mesquite Generating Station Block 1Natural Gas691.6 MW · 0.0 km
- Arlington Valley Energy FacilityNatural Gas713 MW · 2.4 km
- Red HawkNatural Gas1127 MW · 2.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Mesquite Power LLC | Mesquite Power | — |
| Owner(s) | Mesquite Power LLC | Onward Energy Holdings | — |
| Status | Operating | — | — |
Ownership Chain
About
Mesquite Generating Station Block 2 is a 691.6 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 Onward Energy Holdings and operated by Mesquite Power LLC. The plant is located within the Salt River Project balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, Mesquite Generating Station Block 2 produced 3,951,425 MWh of electricity, achieving a capacity factor of 65.1%. The plant ranks as the 14th largest in Arizona out of 26 plants, and 321st nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Salt River Project
Grid Voltage
500 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
340.7K MWh
Latest Month
4.0M MWh
Annual Generation
65.1%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (1)Beta