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3343.5 MW Conventional Steam Coal (1193 MW) + Natural Gas Fired Combined Cycle (1845 MW) + Natural Gas Steam Turbine (306 MW) operating in Mobile, AL — Southern Company Services, Inc. - Trans
3,343.5 MW
Nameplate Capacity
12
Generators
units
Hybrid (3)
Technology
Conventional Steam Coal + Natural Gas Fired Combined Cycle + Natural Gas Steam Turbine
1954
Operating Since
Coordinates
31.0069, -88.0103
County
Mobile, AL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Alabama Power Co | Alabama Power | — |
| Owner(s) | Alabama Power Co | Southern | — |
| Status | Operating | — | — |
James M. Barry Electric Generating Plant, also known as Barry Steam Plant or Plant Barry, is a coal- and natural gas-fired electrical generation facility in Bucks, Mobile County, Alabama, United States. It lies on the west bank of the Mobile River, using it both for coal delivery as well as for cooling water. The plant was named for James M. Barry, President of Alabama Power Company from 1949 to 1952. As of 2018, the plant has 9 units, seven of which are powered by gas and two which are powered by coal.
Read more on WikipediaThe Barry plant, located in Mobile County, Alabama, is a hybrid power plant owned by Southern Company and operated by Alabama Power Co. It began operating in 1954 and has a total capacity of 3343.5 MW across 12 generators. The plant's primary fuel source is natural gas, and it utilizes a mix of technologies including conventional steam coal, natural gas-fired combined cycle, and natural gas steam turbine. Barry is the largest power plant in Alabama out of 21 plants in the state, and ranks 7th nationally out of 945 plants.
In the latest year of available data, the Barry plant generated 12,486,289 MWh of electricity, achieving a capacity factor of 46.4%. The plant operates within the balancing authority of Southern Company Services, Inc. - Trans, and is located in 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
Southern Company Services, Inc. - Trans (SOCO)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
1.2M MWh
Latest Month
12.5M MWh
Annual Generation
46.4%
Capacity Factor
CO₂ Intensity
1266 lb/MWh
NOx
0.306 lb/MWh
SO₂
0.065 lb/MWh
CH₄
0.059 lb/MWh
N₂O
0.008 lb/MWh
Capacity Factor
29.6%
Annual Net Gen
8676 GWh
CO₂eq
1270 lb/MWh
Subregion
SERC South
2013
$965/kW
Est. Construction Cost
Total estimated cost: $3.2B
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-04-09
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