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801 MW Natural Gas operating in Lowndes, MS — Tennessee Valley Authority
801 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combined Cycle
Technology
2003
Operating Since
Coordinates
33.6464, -88.2717
County
Lowndes, MS
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tennessee Valley Authority | GE Energy Financial Services | — |
| Owner(s) | GE Energy Financial Services | General Electric | — |
| Status | Operating | — | — |
The Caledonia power plant is an 801 MW natural gas-fired combined cycle facility located in Lowndes County, Mississippi. The plant began operating in 2003 and consists of 6 generators. It is owned by General Electric and operated by the Tennessee Valley Authority (TVA). Caledonia is within the TVA balancing authority and the SERC NERC region.
In the most recent year of data, Caledonia generated 5,246,915 MWh of electricity, achieving a capacity factor of 74.8%. The plant ranks as the 10th largest out of 20 power plants in Mississippi, and 248th out of 945 plants nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
355.2K MWh
Latest Month
5.2M MWh
Annual Generation
74.8%
Capacity Factor
CO₂ Intensity
846 lb/MWh
NOx
0.078 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $773.1M
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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ask pi about CaledoniaTennessee Valley Authority (TVA)
Grid Voltage
500.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility
0.004 lb/MWh
CH₄
0.015 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
55.5%
Annual Net Gen
3898 GWh
CO₂eq
847 lb/MWh
Subregion
SERC Tennessee Valley