Sibley Mill
Hydro power plant in Richmond County, Georgia. 2.1 MW of nameplate capacity across 3 generators, operated by Augusta Canal Authority.
Also known as EIA plant 54322
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2.1 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- January 1946First generator online
- Operator
- Augusta Canal AuthorityEIA operator ID 55810
- Grid
- SOCOBalancing authority SOCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Richmond County, GA33.4879, −81.9925
- EIA plant ID
- 54322EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Sibley Mill produces
Free · EIA-923Net generation, 2025
7.99 GWh
7,987 MWh, final
Capacity factor, 2025
43.4%
2024: 35.6%
January to July 2026
4.93 GWh
Provisional
Range, 2015 to 2025
6.6–14.3
GWh a year. Low 2024, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 16,981 | Not reported | 12 of 12 |
| 2002 | 12,594 | Not reported | 12 of 12 |
| 2003 | 15,693 | Not reported | 12 of 12 |
| 2004 | 16,402 | Not reported | 12 of 12 |
| 2005 | 8,871 | Not reported | 12 of 12 |
| 2006 | 13,972 | Not reported | 12 of 12 |
| 2007 | 11,618 | Not reported | 12 of 12 |
| 2008 | 14,800 | Not reported | 12 of 12 |
| 2009 | 3,306 | Not reported | 12 of 12 |
| 2010 | 14,366 | 78.1% | 12 of 12 |
| 2011 | 13,665 | 74.3% | 12 of 12 |
| 2012 | 14,488 | 78.5% | 12 of 12 |
| 2013 | 15,227 | 82.8% | 12 of 12 |
| 2014 | 14,354 | 78.0% | 12 of 12 |
| 2015 | 14,275 | 77.6% | 12 of 12 |
| 2016 | 8,352 | 45.3% | 12 of 12 |
| 2017 | 12,902 | 70.1% | 12 of 12 |
| 2018 | 9,560 | 52.0% | 12 of 12 |
| 2019 | 8,818 | 47.9% | 12 of 12 |
| 2020 | 10,107 | 54.8% | 12 of 12 |
| 2021 | 11,180 | 60.8% | 12 of 12 |
| 2022 | 11,925 | 64.8% | 12 of 12 |
| 2023 | 8,864 | 48.2% | 12 of 12 |
| 2024 | 6,560 | 35.6% | 12 of 12 |
| 2025 | 7,987 | 43.4% | 12 of 12 |
| 2026 (provisional, partial year) | 4,933 | 46.2% | 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 CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 2 | Conventional Hydroelectric | 0.6 | January 1946 |
| 3 | Conventional Hydroelectric | 0.7 | January 1946 |
| 4 | Conventional Hydroelectric | 0.8 | January 1946 |
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 Augusta Canal Authority as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Sibley Mill
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Questions about Sibley Mill
How much power does Sibley Mill produce?
Sibley Mill reported 7,987 MWh (7.99 GWh) of net generation in 2025, a 43.4% capacity factor on 2.1 MW of nameplate capacity. From January to July 2026 it reported 4.93 GWh, which is provisional.
Where is Sibley Mill?
Sibley Mill is in Richmond County, Georgia, at 33.4879, −81.9925. It is in the Southern Company Services, Inc. - Trans balancing area (SOCO).
Who operates Sibley Mill?
EIA-860M for August 2026 lists Augusta Canal Authority as the operator (EIA operator ID 55810). The operator is not always the owner.
When did Sibley Mill start operating?
Its first generator began operating in January 1946, 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page