Jack McDonough
Natural gas power plant in Cobb County, Georgia. 2,848.4 MW of nameplate capacity across 11 generators, operated by Georgia Power Co.
Also known as Plant McDonough-Atkinson · EIA plant 710
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2,848.4 MWNatural gas 2,764.8 · Oil 83.6
- Generators
- 11 operatingEIA-860M, August 2026
- Operating since
- May 1971First generator online
- Operator
- Georgia Power CoEIA operator ID 7140
- Grid
- SOCOBalancing authority SOCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Cobb County, GA33.8239, −84.4758
- EIA plant ID
- 710EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Jack McDonough produces
Free · EIA-923Net generation, 2025
17.5 TWh
17,461,773 MWh, final
Capacity factor, 2025
70.0%
2024: 71.9%
January to July 2026
10.8 TWh
Provisional
Range, 2015 to 2025
16.8–19.1
TWh a year. Low 2018, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 3,642,019 | Not reported | 12 of 12 |
| 2001 | 2,997,675 | Not reported | 12 of 12 |
| 2002 | 3,336,900 | Not reported | 12 of 12 |
| 2003 | 2,900,751 | Not reported | 10 of 12 |
| 2004 | 3,258,081 | Not reported | 12 of 12 |
| 2005 | 3,643,718 | Not reported | 12 of 12 |
| 2006 | 3,772,302 | Not reported | 12 of 12 |
| 2007 | 3,772,754 | Not reported | 12 of 12 |
| 2008 | 3,116,480 | Not reported | 12 of 12 |
| 2009 | 2,072,624 | Not reported | 12 of 12 |
| 2010 | 2,017,925 | 33.8% | 12 of 12 |
| 2011 | 170,622 | Not reported | 1 of 12 |
| 2012 | 3,365,912 | 88.3% | 2 of 12 |
| 2013 | 16,681,842 | Not reported | 11 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | 17,848,698 | 78.3% | 12 of 12 |
| 2016 | 17,319,558 | 75.7% | 12 of 12 |
| 2017 | 14,770,438 | 70.8% | 11 of 12 |
| 2018 | 16,799,053 | 73.7% | 12 of 12 |
| 2019 | 19,071,850 | Not reported | 12 of 12 |
| 2020 | 11,082,331 | 76.1% | 7 of 12 |
| 2021 | 18,235,418 | 73.1% | 12 of 12 |
| 2022 | 18,428,551 | 73.9% | 12 of 12 |
| 2023 | 17,824,581 | Not reported | 12 of 12 |
| 2024 | 17,987,456 | 71.9% | 12 of 12 |
| 2025 | 17,461,773 | 70.0% | 12 of 12 |
| 2026 (provisional, partial year) | 10,769,777 | 74.3% | 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
Not reported
US short tons. 2024: Not reported
SO₂, 2025
40
US short tons
NOx, 2025
458
US short tons
6 of 10 EPA units reported CO₂ in 2025 (3AA, 3AB, 3BA, 3BB, 4A, 4B, 5A, 5B, and others), matched to EIA plant 710 through the EPA–EIA crosswalk.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
3,925
million gallons
Consumption, 2024
2,802
million gallons
Source
Chattahoochee River
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.120
USGS SUI, HUC12 Proctor Creek-Chattahoochee River
36 of 36 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 3A | Petroleum Liquids | 41.8 | May 1971 |
| 3B | Petroleum Liquids | 41.8 | May 1971 |
| 4 | Natural Gas Fired Combined Cycle | 369.0 | December 2011 |
| 5 | Natural Gas Fired Combined Cycle | 369.0 | April 2012 |
| 5ACT | Natural Gas Fired Combined Cycle | 276.3 | April 2012 |
| 5BCT | Natural Gas Fired Combined Cycle | 276.3 | April 2012 |
| 6 | Natural Gas Fired Combined Cycle | 369.0 | October 2012 |
| 6ACT | Natural Gas Fired Combined Cycle | 276.3 | October 2012 |
| 6BCT | Natural Gas Fired Combined Cycle | 276.3 | October 2012 |
| CT4A | Natural Gas Fired Combined Cycle | 276.3 | December 2011 |
| CT4B | Natural Gas Fired Combined Cycle | 276.3 | December 2011 |
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.
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Questions about Jack McDonough
How much power does Jack McDonough produce?
Jack McDonough reported 17,461,773 MWh (17.5 TWh) of net generation in 2025, a 70.0% capacity factor on 2,848.4 MW of nameplate capacity. From January to July 2026 it reported 10.8 TWh, which is provisional.
Where is Jack McDonough?
Jack McDonough is in Cobb County, Georgia, at 33.8239, −84.4758. It is in the Southern Company Services, Inc. - Trans balancing area (SOCO).
Who operates Jack McDonough?
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 Jack McDonough start operating?
Its first generator began operating in May 1971, 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page