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United States › Power plants › Gas power plants › New Mexico

GAS POWER PLANTS

Maddox

Maddox is a 212 MW operating gas power plant in Lea County, New Mexico, operated by Southwestern Public Service Co.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingJan 1963 (current stage)
  5. Closed (not yet reached)

Planned retirement: Dec 2028.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
1Natural Gas Steam Turbine114 MW OperatingJan 1967Planned Dec 2028
2Natural Gas Fired Combustion Turbine87 MW OperatingJan 1976Planned Dec 2034
3Natural Gas Fired Combustion Turbine12 MW OperatingJan 1963Planned Dec 2034

Plant details

Operator
Southwestern Public Service Co
Location
Lea County, New Mexico
Balancing authority
SWPP
Sector
Electric Utility
Capacity
Operating: 212 MW
First unit online
Jan 1963
EIA plant ID
2446

Location

32.7142, -103.3015

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem