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1290.1 MW Natural Gas Fired Combined Cycle (1171 MW) + Petroleum Liquids (119 MW) operating in Shelby, TN — Tennessee Valley Authority
1,290.1 MW
Nameplate Capacity
5
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Petroleum Liquids
1972
Operating Since
Coordinates
35.0741, -90.1487
County
Shelby, TN
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Owner(s) | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Status | Operating | — | — |
The Allen Combined Cycle Plant is a 1.1-gigawatt natural gas power plant located south of Memphis, Tennessee that began generating electricity in 2018. It is operated by Tennessee Valley Authority (TVA).
Read more on WikipediaThe Allen plant, located in Shelby County, Tennessee, is a 1290.1 MW hybrid power plant owned and operated by the Tennessee Valley Authority (TVA). The plant began operating in 1972 and utilizes both natural gas and petroleum liquids as fuel sources. It employs natural gas-fired combined cycle technology across its five generators. Allen operates within the TVA balancing authority and the SERC NERC region.
Allen ranks as the 6th largest power plant in Tennessee out of 9 total plants, and 91st nationally out of 945 plants. The plant's latest annual generation was 5,845,135 MWh, resulting in a capacity factor of 51.9%. Recent news coverage of the plant includes 9 articles related to industry topics and 1 article related to regulatory matters.
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
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility
602.5K MWh
Latest Month
5.8M MWh
Annual Generation
51.9%
Capacity Factor
CO₂ Intensity
800 lb/MWh
NOx
0.088 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.015 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
34.0%
Annual Net Gen
5333 GWh
CO₂eq
801 lb/MWh
Subregion
SERC Tennessee Valley
2013
$965/kW
Est. Construction Cost
Total estimated cost: $1.2B
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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