Tenaska Central Alabama Generating Stn
Autauga County, Alabama · EIA plant ID 55440 · Operator: Alabama Power Co
Nameplate927MWSummer 917 MW
Generators4in service
Net generation5,713GWh12 mo to Aug 2026
Capacity factor71%gas/coal/oil units, summer MW
Heat rate7,134Btu/kWhfossil units, electric fuel, HHV
First online2003Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2003 | 296.7 | 6.2% | 7,653 |
| 2004 | 507.2 | 6.7% | 7,470 |
| 2005 | 324.2 | 4.3% | 7,515 |
| 2006 | 626.8 | 8.3% | 7,406 |
| 2007 | 665.8 | 8.8% | 7,233 |
| 2008 | 327.3 | 4.3% | 8,234 |
| 2009 | 734.8 | 9.1% | 7,404 |
| 2010 | 1,638 | 20.4% | 7,390 |
| 2011 | 3,052.4 | 38.0% | 7,311 |
| 2012 | 6,022.9 | 74.9% | 7,194 |
| 2013 | 5,191.6 | 64.1% | 7,187 |
| 2014 | 4,476.6 | 55.3% | 7,434 |
| 2015 | 4,059.5 | 50.2% | 7,533 |
| 2016 | 5,185.6 | 64.2% | 7,382 |
| 2017 | 4,671.3 | 58.0% | 7,296 |
| 2018 | 4,116.9 | 51.2% | 7,351 |
| 2019 | 4,832.7 | 60.2% | 7,376 |
| 2020 | 5,052.5 | 62.7% | 7,418 |
| 2021 | 4,202.2 | 52.3% | 7,495 |
| 2022 | 4,552.9 | 56.7% | 7,401 |
| 2023 | 4,769.7 | 59.4% | 7,351 |
| 2024 | 3,488.1 | 43.3% | 7,472 |
| 2025 | 4,672.5 | 58.2% | 7,238 |
Fuel capability
Gas-fired turbines (CT/GT/CA/CS) that can also burn liquid fuel. EIA-860 Schedule 3 for capability, EIA-923 for actual burn.
StatusListed in EIA-860, no liquid burn in 36 months
Liquid fuel burned · 36 mo0 MMBtu
Last month with liquid burn—
Switch while operatingYes
Net summer MW on gas518
Net summer MW on oil518
Time gas → oilup to 6 h (EIA 6H)
Time oil → gasup to 6 h (EIA 6H)
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | CT | 179 | 170.4 | May 2003 | Operating | — | coming soon |
| CTG2 | Natural Gas Fired Combined Cycle | CT | 179 | 175.8 | May 2003 | Operating | — | coming soon |
| CTG3 | Natural Gas Fired Combined Cycle | CT | 179 | 171.4 | May 2003 | Operating | — | coming soon |
| ST1 | Natural Gas Fired Combined Cycle | CA | 390.1 | 399.4 | May 2003 | Operating | — | coming soon |
Owner / operator
Operator: Alabama Power Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Alabama Power Co | 100.0% | 927 MW |
Nearby plants
Within 80 km.
| Tenaska Lindsay Hill Generating Station | 939 MW | 0.2 km |
| International Paper Riverdale Mill | 104 MW | 27.7 km |
| Mitchell Dam | 170 MW | 32.6 km |
| E B Harris Electric Generating Plant | 1,304 MW | 33.6 km |
| International Paper Prattville Mill | 90 MW | 35.9 km |
| Jones Bluff | 82 MW | 36.4 km |