McManus
Oil power plant in Glynn County, Georgia. 560 MW of nameplate capacity across 10 generators, operated by Georgia Power Co.
Also known as Plant McManus · EIA plant 715
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Key facts
- Capacity
- 560 MWNameplate
- Generators
- 10 operatingEIA-860M, August 2026
- Operating since
- December 1964First generator online
- Operator
- Georgia Power CoEIA operator ID 7140
- Grid
- SOCOBalancing authority SOCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Glynn County, GA31.2136, −81.5462
- EIA plant ID
- 715EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power McManus produces
Free · EIA-923Net generation, 2025
18.7 GWh
18,676 MWh, final
Capacity factor, 2025
0.4%
2024: 0.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2017 to 2025
−0.1–20.8
GWh a year. Low 2023, high 2022
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 303,067 | Not reported | 12 of 12 |
| 2001 | 96,889 | Not reported | 12 of 12 |
| 2002 | 77,213 | Not reported | 12 of 12 |
| 2003 | 85,419 | Not reported | 8 of 12 |
| 2004 | 32,275 | Not reported | 12 of 12 |
| 2005 | 79,019 | Not reported | 12 of 12 |
| 2006 | 28,097 | Not reported | 12 of 12 |
| 2007 | 17,848 | Not reported | 12 of 12 |
| 2008 | 4,349 | Not reported | 12 of 12 |
| 2009 | 6,813 | Not reported | 12 of 12 |
| 2010 | 8,109 | 0.1% | 12 of 12 |
| 2011 | 2,606 | 0.0% | 12 of 12 |
| 2012 | −2,238 | -0.0% | 12 of 12 |
| 2013 | −2,372 | -0.0% | 12 of 12 |
| 2014 | 7,004 | 0.1% | 12 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | 10,584 | 0.2% | 12 of 12 |
| 2018 | 9,821 | 0.2% | 12 of 12 |
| 2019 | 9,635 | Not reported | 12 of 12 |
| 2020 | 2,257 | 0.0% | 12 of 12 |
| 2021 | −42 | -0.0% | 12 of 12 |
| 2022 | 20,821 | 0.4% | 12 of 12 |
| 2023 | −118 | -0.0% | 12 of 12 |
| 2024 | 3,287 | 0.1% | 12 of 12 |
| 2025 | 18,676 | 0.4% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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
58
US short tons
NOx, 2025
140
US short tons
0 of 9 EPA units reported CO₂ in 2025 (1, 2, 3A, 3B, 3C, 4A, 4B, 4C, and others), matched to EIA plant 715 through the EPA–EIA crosswalk.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 3A | Petroleum Liquids | 55.4 | January 1972 |
| 3B | Petroleum Liquids | 55.4 | January 1972 |
| 3C | Petroleum Liquids | 55.4 | January 1972 |
| 4A | Petroleum Liquids | 65.3 | December 1972 |
| 4B | Petroleum Liquids | 65.3 | December 1972 |
| 4C | Petroleum Liquids | 65.3 | December 1972 |
| 4D | Petroleum Liquids | 65.3 | December 1972 |
| 4E | Petroleum Liquids | 65.3 | December 1972 |
| 4F | Petroleum Liquids | 65.3 | December 1972 |
| IC1 | Petroleum Liquids | 2.0 | December 1964 |
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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Power plants near McManus
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Questions about McManus
How much power does McManus produce?
McManus reported 18,676 MWh (18.7 GWh) of net generation in 2025, a 0.4% capacity factor on 560 MW of nameplate capacity.
Where is McManus?
McManus is in Glynn County, Georgia, at 31.2136, −81.5462. It is in the Southern Company Services, Inc. - Trans balancing area (SOCO).
Who operates McManus?
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 McManus start operating?
Its first generator began operating in December 1964, 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page