Magnolia Power Plant — Plant Summary
- EIA Plant ID
- 55451
- Capacity
- 1003.5 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Benton, MS
- Operating Since
- 2003
- Generators
- 6
- Operator
- Tennessee Valley Authority
- Parent Company
- Tennessee Valley Authority
- Annual Generation
- 6,662,322 MWh
- Capacity Factor
- 75.8%
- Balancing Authority
- Tennessee Valley Authority
- ISO/RTO
- —
- NERC Region
- SERC
Magnolia Power Plant
OperatingNatural Gas
Ranked #2 of 30 Natural Gas plants in MS#162 of 2009 nationally
1003.5 MW Natural Gas operating in Benton, MS — Tennessee Valley Authority
EIAWD
1,003.5 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combined Cycle
Technology
2003
Operating Since
Location
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Owner(s) | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Status | Operating | — | — |
Ownership Chain
About
Magnolia Power Plant is a 1003.5 MW natural gas-fired combined cycle power plant located in Benton County, Mississippi. The plant began operating in 2003 and is owned and operated by the Tennessee Valley Authority (TVA). It consists of 6 generators utilizing natural gas as its primary fuel source. The plant operates within the Tennessee Valley Authority balancing authority and the SERC NERC region.
Magnolia Power Plant is a significant power producer in Mississippi, ranking as the second largest of 20 power plants in the state, and 167th nationally out of 945 plants. The plant's latest annual generation was 6,662,322 MWh, achieving a capacity factor of 75.8%.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Tennessee Valley Authority
Grid Voltage
350 kV
Regulatory Status
RE
Entity Type
Federal
Sector
Electric Utility
Generation
588.7K MWh
Latest Month
6.7M MWh
Annual Generation
75.8%
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 (3)Beta
Industry·technology
Magnolia Gas-fired Power Plant Upgrade
The Magnolia power plant is a 980MW gas-fired, combined-cycle power generating facility by the Tennessee Valley Authority (TVA) in...
Magnolia (other)Tennessee Valley Authority (operator)
NS Energy·5 years ago
Industry·technology
TVA selects Emerson to upgrade 980MW Magnolia power plant
TVA selects Emerson to upgrade 980MW Magnolia power plant. The Tennessee Valley Authority (TVA) has selected US-based technology company...
TVA (operator)Emerson (other)
Power Technology·5 years ago
Industry·technology
TVA begins $110M digital transformation with Emerson work at Magnolia gas-fired plant
The Tennessee Valley Authority has selected Emerson to digitally modernize its combined cycle gas turbine (CCGT) Magnolia power plant in Mississippi.
Tennessee Valley Authority (operator)Emerson (other)
Power Engineering·5 years ago
Last updated 2026-03-14
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