United States › Power plants › Gas power plants › Arkansas
GAS POWER PLANTSHarry D Mattison Gas Plant
Harry D Mattison Gas Plant is a 349 MW operating gas power plant in Washington County, Arkansas, operated by Southwestern Electric Power Co.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| 3 | Natural Gas Fired Combustion Turbine | 88 MW | |
| 4 | Natural Gas Fired Combustion Turbine | 88 MW | |
| 1 | Natural Gas Fired Combustion Turbine | 87 MW | |
| 2 | Natural Gas Fired Combustion Turbine | 87 MW |
Plant details
- Operator
- Southwestern Electric Power Co
- Location
- Washington County, Arkansas
- Balancing authority
- SWPP
- Sector
- Electric Utility
- Capacity
- Operating: 349 MW
- First unit online
- Jul 2007
- EIA plant ID
- 56328
Location
36.1855, -94.2841
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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