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Greene County

Greene County, Alabama · EIA plant ID 10 · Operator: Alabama Power Co
Natural gasNatural Gas Fired Combustion TurbineNatural Gas Steam Turbine⛽ Dual-fuelBA: SOCO
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Nameplate1,288MWSummer 1,256 MW
Generators11in service
Net generation859GWh12 mo to Aug 2026
Capacity factor8%gas/coal/oil units, summer MW
Heat rate11,305Btu/kWhfossil units, electric fuel, HHV
First online1965Runs as peaking

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
0100200300400GWh2001200320052007200920112013201520172019202120232025

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.
0%20%40%200520102015202020257.8% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
9,00010,00011,0002005201020152020202511,305 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20014,105.8——
20023,940.2——
20033,757.234.3%9,695
20043,716.933.9%9,799
20053,912.735.8%10,212
20063,987.936.8%10,201
20073,982.936.8%10,816
20083,491.232.1%10,203
20092,491.523.0%10,188
20102,783.925.7%10,106
20112,475.822.9%10,151
20122,095.119.3%10,187
20132,499.123.1%10,176
20142,857.926.4%10,138
20152,249.320.8%10,341
20161,309.611.9%11,019
2017884.87.9%11,343
20181,173.110.7%10,991
20191,767.916.1%10,625
20201,071.19.7%11,000
2021750.46.8%11,430
20221,238.211.3%11,116
20231,396.312.7%10,563
20241,48913.5%10,848
20251,100.410.0%10,846

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.
StatusLikely still dual fuel
Liquid fuel burned · 36 mo53,801 MMBtu
Last month with liquid burnJul 2026
Switch while operatingYes
Net summer MW on gas720
Net summer MW on oil720
Time gas → oilup to 1 h (EIA 1H)
Time oil → gasup to 1 h (EIA 1H)

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 IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
1Natural Gas Steam TurbineST299.2257.8Jun 1965Operating—coming soon
2Natural Gas Steam TurbineST269.2258.3Jul 1966Operating—coming soon
GT10Natural Gas Fired Combustion TurbineGT8085May 1996Operating—coming soon
GT2Natural Gas Fired Combustion TurbineGT8084May 1996Operating—coming soon
GT3Natural Gas Fired Combustion TurbineGT8082May 1995Operating—coming soon
GT4Natural Gas Fired Combustion TurbineGT8081May 1995Operating—coming soon
GT5Natural Gas Fired Combustion TurbineGT8082May 1995Operating—coming soon
GT6Natural Gas Fired Combustion TurbineGT8081May 1995Operating—coming soon
GT7Natural Gas Fired Combustion TurbineGT8080May 1995Operating—coming soon
GT8Natural Gas Fired Combustion TurbineGT8083May 1996Operating—coming soon
GT9Natural Gas Fired Combustion TurbineGT8082May 1996Operating—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 Co82.3%1,061 MW
Mississippi Power Co17.6%227 MW

Nearby plants

Within 80 km.
WestRock Demopolis Mill47 MW24.6 km
Westervelt Moundville Cogenretired41.6 km
SR Marion Junction—44.3 km
Georgia-Pacific Consr Prods LP-Naheola88 MW47.6 km
Alabama Creek Solar—61.3 km
Millers Ferry101 MW66.2 km