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903.9 MW Natural Gas operating in Desoto, MS — Tennessee Valley Authority
903.9 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combined Cycle
Technology
2003
Operating Since
Coordinates
34.9939, -90.0378
County
Desoto, MS
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tennessee Valley Authority | Tennessee Valley Authority | Tennessee Valley Authority |
| Owner(s) | Southaven Power LLC, Tennessee Valley Authority | Tennessee Valley Authority | — |
| Status | Operating | — | — |
TVA Southaven Combined Cycle is a 903.9 MW natural gas-fired combined cycle power plant located in Desoto County, Mississippi. The plant, which began operating in 2003, is owned and operated by the Tennessee Valley Authority (TVA). It consists of six generators utilizing combined cycle technology. TVA Southaven is the fourth-largest power plant in Mississippi out of 20 plants, and ranks 201st nationally out of 945 plants.
The plant operates within the Tennessee Valley Authority balancing authority and the SERC NERC region. In the most recent year with available data, TVA Southaven generated 4,789,838 MWh of electricity, achieving a capacity factor of 65.5%.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Tennessee Valley Authority (TVA)
Grid Voltage
500.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility
461.2K MWh
Latest Month
4.8M MWh
Annual Generation
65.5%
Capacity Factor
CO₂ Intensity
822 lb/MWh
NOx
0.083 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.015 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
56.8%
Annual Net Gen
4500 GWh
CO₂eq
823 lb/MWh
Subregion
SERC Tennessee Valley
2013
$965/kW
Est. Construction Cost
Total estimated cost: $872.4M
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-03-26
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