McIntosh Combined Cycle Facility
Natural gas power plant in Effingham County, Georgia. 1,376.6 MW of nameplate capacity across 6 generators, operated by Georgia Power Co.
Also known as EIA plant 56150
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1,376.6 MWNameplate
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- June 2005First generator online
- Operator
- Georgia Power CoEIA operator ID 7140
- Grid
- SOCOBalancing authority SOCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Effingham County, GA32.3478, −81.1817
- EIA plant ID
- 56150EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power McIntosh Combined Cycle Facility produces
Free · EIA-923Net generation, 2025
7.86 TWh
7,857,050 MWh, final
Capacity factor, 2025
65.2%
2024: 66.4%
January to July 2026
4.43 TWh
Provisional
Range, 2016 to 2025
7.9–9.1
TWh a year. Low 2025, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | 2,554,482 | Not reported | 12 of 12 |
| 2006 | 5,081,201 | Not reported | 12 of 12 |
| 2007 | 5,523,509 | Not reported | 12 of 12 |
| 2008 | 1,823,221 | Not reported | 6 of 12 |
| 2009 | 358,066 | Not reported | 1 of 12 |
| 2010 | 7,699,404 | 63.8% | 12 of 12 |
| 2011 | 8,163,831 | 67.7% | 12 of 12 |
| 2012 | 7,534,021 | 62.3% | 12 of 12 |
| 2013 | 5,699,047 | 62.7% | 9 of 12 |
| 2014 | 7,328,125 | 60.8% | 12 of 12 |
| 2015 | 7,595,534 | 68.8% | 11 of 12 |
| 2016 | 8,799,232 | 72.8% | 12 of 12 |
| 2017 | 8,930,974 | 74.1% | 12 of 12 |
| 2018 | 9,053,313 | 75.1% | 12 of 12 |
| 2019 | 8,434,782 | 69.9% | 12 of 12 |
| 2020 | 8,621,415 | 71.3% | 12 of 12 |
| 2021 | 8,586,543 | 71.2% | 12 of 12 |
| 2022 | 8,637,475 | 71.6% | 12 of 12 |
| 2023 | 9,107,240 | 75.5% | 12 of 12 |
| 2024 | 8,034,741 | 66.4% | 12 of 12 |
| 2025 | 7,857,050 | 65.2% | 12 of 12 |
| 2026 (provisional, partial year) | 4,432,303 | 63.3% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2025
3.32M
US short tons. 2024: 3.39M
SO₂, 2025
17
US short tons
NOx, 2025
183
US short tons
CO₂ per MWh, calculated
0.42 t
About 845 lb per MWh
4 of 4 EPA units reported CO₂ in 2025 (10A, 10B, 11A, 11B), matched to EIA plant 56150 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
1,565
million gallons
Consumption, 2024
1,398
million gallons
Source
McIntosh steam unit
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.152
USGS SUI, HUC12 Dasher Creek-Savannah River
24 of 24 cooling months report withdrawal. SUI of the HUC12 containing the plant. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 10ST | Natural Gas Fired Combined Cycle | 281.9 | June 2005 |
| 11ST | Natural Gas Fired Combined Cycle | 281.9 | June 2005 |
| C10A | Natural Gas Fired Combined Cycle | 203.2 | June 2005 |
| C10B | Natural Gas Fired Combined Cycle | 203.2 | June 2005 |
| C11A | Natural Gas Fired Combined Cycle | 203.2 | June 2005 |
| C11B | Natural Gas Fired Combined Cycle | 203.2 | June 2005 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Georgia Power Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
300 analyst questions a month, plus MCP
Query McIntosh Combined Cycle Facility and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near McIntosh Combined Cycle Facility
More plants operated by Georgia Power Co
Questions about McIntosh Combined Cycle Facility
How much power does McIntosh Combined Cycle Facility produce?
McIntosh Combined Cycle Facility reported 7,857,050 MWh (7.86 TWh) of net generation in 2025, a 65.2% capacity factor on 1,376.6 MW of nameplate capacity. From January to July 2026 it reported 4.43 TWh, which is provisional.
Where is McIntosh Combined Cycle Facility?
McIntosh Combined Cycle Facility is in Effingham County, Georgia, at 32.3478, −81.1817. It is in the Southern Company Services, Inc. - Trans balancing area (SOCO).
Who operates McIntosh Combined Cycle Facility?
EIA-860M for August 2026 lists Georgia Power Co as the operator (EIA operator ID 7140). The operator is not always the owner.
When did McIntosh Combined Cycle Facility start operating?
Its first generator began operating in June 2005, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page