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1169.6 MW Natural Gas operating in Colbert, AL — Tennessee Valley Authority
1,169.6 MW
Nameplate Capacity
11
Generators
units
Natural Gas Fired Combustion Turbine
Technology
1972
Operating Since
Coordinates
34.7439, -87.8486
County
Colbert, AL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Owner(s) | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Status | Operating | — | — |
The Colbert Combustion Turbine Plant is a combustion turbine natural gas-fired power plant operated by the Tennessee Valley Authority (TVA) near Tuscumbia, Alabama. Commissioned in 1972, it is currently the oldest gas-fired power plant operated by TVA. The site was formerly home to the Colbert Fossil Plant, a coal-fired power station which operated from 1955 to 2016.
Read more on WikipediaThe Colbert plant is a natural gas-fired power plant located in Colbert County, Alabama. It has a total capacity of 1169.6 MW across 11 generators, utilizing natural gas-fired combustion turbine technology. The plant began operating in 1972 and is owned and operated by the Tennessee Valley Authority (TVA). Colbert ranks as the 6th largest power plant in Alabama out of 21, and 122nd nationally out of 945 plants.
In the most recent year with available data, Colbert generated 320,618 MWh of electricity, resulting in a capacity factor of 3.1%. The plant operates within the Tennessee Valley Authority balancing authority area and is located within the SERC NERC region.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
30.0K MWh
Latest Month
320.6K MWh
Annual Generation
3.1%
Capacity Factor
CO₂ Intensity
951 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
2 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $1.1B
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-03-14
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ask pi about ColbertTennessee Valley Authority (TVA)
Grid Voltage
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility
0.099 lb/MWh
CH₄
0.108 lb/MWh
N₂O
0.011 lb/MWh
Capacity Factor
0.8%
Annual Net Gen
79 GWh
CO₂eq
957 lb/MWh
Subregion
SERC Tennessee Valley