Barry
Barry is a natural gas plant in Mobile County, Alabama, operated by Alabama Power Co. By nameplate capacity it is the ninth-largest power plant in the United States and the second-largest in Alabama. Among the 1,961 natural gas plants in the country it is the third-largest. It is the biggest of Alabama’s 26 natural gas plants.
Nameplate capacity, 2025
3,344 MW
3,100 MW net summer capacity
12 operable units
- Gas combined cycle1,845 MW55%
- Coal steam1,192 MW36%
- Gas steam turbine306 MW9.2%
Unit by unit, 1954 to 2025
operating in 2025retiredbar height follows unit size
Unit 1 Gas steam turbine, 153 MW, 1954
Unit 2 Gas steam turbine, 153 MW, 1954
Unit 3 Coal steam, 272 MW, 1959–2015
Unit 4 Coal steam, 404 MW, 1969
Unit 5 Coal steam, 789 MW, 1971
Unit A1CT Gas combined cycle, 170 MW, 2000
Unit A1CT2 Gas combined cycle, 170 MW, 2000
Unit A1ST Gas combined cycle, 195 MW, 2000
Unit A2C1 Gas combined cycle, 170 MW, 2000
Unit A2C2 Gas combined cycle, 170 MW, 2000
Unit A2ST Gas combined cycle, 195 MW, 2000
Unit A3C1 Gas combined cycle, 464 MW, 2023
Unit A3ST Gas combined cycle, 310 MW, 2023
Among Alabama’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1Browns Ferry3,854 MW
- 2Barrythis plant
- 3James H Miller Jr2,822 MW
- 4E C Gaston2,034 MW
Other rankings
- Plants in the Southern Company balancing area
- 3rd of 335
- Plants run by Alabama Power Co
- 1st of 27
- Biggest single unit, among Alabama’s plants
- 4th of 78
Operable units
By the year its oldest working unit started, it is the oldest of Alabama’s natural gas plants.
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 1 | Gas steam turbine | 153 MW | 80 MW | 1954 | Operating |
| 2 | Gas steam turbine | 153 MW | 80 MW | 1954 | Operating |
| 4 | Coal steam | 404 MW | 362 MW | 1969 | Operating |
| 5 | Coal steam | 789 MW | 756 MW | 1971 | Operating |
| A1CT | Gas combined cycle | 170 MW | 184 MW | 2000 | Operating |
| A1CT2 | Gas combined cycle | 170 MW | 184 MW | 2000 | Operating |
| A1ST | Gas combined cycle | 195 MW | 200 MW | 2000 | Operating |
| A2C1 | Gas combined cycle | 170 MW | 186 MW | 2000 | Operating |
| A2C2 | Gas combined cycle | 170 MW | 186 MW | 2000 | Operating |
| A2ST | Gas combined cycle | 195 MW | 195 MW | 2000 | Operating |
| A3C1 | Gas combined cycle | 464 MW | 385 MW | 2023 | Operating |
| A3ST | Gas combined cycle | 310 MW | 300 MW | 2023 | Operating |
Retired units
Retired capacity here totals 272 MW, mostly coal units.
| Unit | Technology | Nameplate | In service |
|---|---|---|---|
| 3 | Coal steam | 272 MW | 1959–2015 |
Grid and site
- Balancing area
- Southern Company
- Reliability region
- SERC Reliability Corporation
- Highest grid connection voltage
- 230 kV
- Water source
- Mobile River
- Nearest town on record
- Bucks
- Operator type
- Utility
- Coordinates
- 31.007°N, 88.010°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| McIntosh (AL) | Natural gas | 676 MW | 17.2 mi north |
| Washington County Cogeneration Facility | Natural gas | 122 MW | 17.8 mi north |
| Hog Bayou Energy Center | Natural gas | 280 MW | 18.1 mi south |
| Kimberly Clark Mobile - CHP Plant | Natural gas | 50 MW | 18.7 mi south |
| Lowman Energy Center | Natural gas | 733 MW | 33.8 mi north |
| Packaging Corp. of America Jackson Mill | Natural gas | 44.4 MW | 34.0 mi north |
| Theodore Cogen Facility | Natural gas | 317 MW | 34.0 mi south |
| Sparkleberry | Solar | 74.5 MW | 38.1 mi southeast |