Parr Hydro
Hydro power plant in Fairfield County, South Carolina. 15 MW of nameplate capacity across 6 generators, operated by Dominion Energy South Carolina, Inc.
Also known as EIA plant 3290
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 15 MWNameplate
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- August 1914First generator online
- Operator
- Dominion Energy South Carolina, IncEIA operator ID 17539
- Grid
- SCEGBalancing authority SCEG
- Price nodes
- None linkedNo verified ISO node
- Location
- Fairfield County, SC34.2613, −81.3308
- EIA plant ID
- 3290EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Parr Hydro produces
Free · EIA-923Net generation, 2025
53.3 GWh
53,311 MWh, final
Capacity factor, 2025
40.6%
2024: 38.8%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
34.9–54.0
GWh a year. Low 2020, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 51,798 | Not reported | 12 of 12 |
| 2001 | 44,609 | Not reported | 12 of 12 |
| 2002 | 50,517 | Not reported | 12 of 12 |
| 2003 | 82,557 | Not reported | 12 of 12 |
| 2004 | 78,631 | Not reported | 12 of 12 |
| 2005 | 81,945 | Not reported | 12 of 12 |
| 2006 | 56,144 | Not reported | 12 of 12 |
| 2007 | 41,536 | Not reported | 12 of 12 |
| 2008 | 40,221 | Not reported | 12 of 12 |
| 2009 | 61,762 | Not reported | 12 of 12 |
| 2010 | 59,314 | 47.0% | 12 of 12 |
| 2011 | 45,556 | 36.1% | 12 of 12 |
| 2012 | 48,402 | 38.3% | 12 of 12 |
| 2013 | 72,327 | 57.3% | 12 of 12 |
| 2014 | 50,306 | 39.9% | 12 of 12 |
| 2015 | 48,948 | 38.8% | 12 of 12 |
| 2016 | 44,387 | Not reported | 12 of 12 |
| 2017 | 47,117 | 35.9% | 12 of 12 |
| 2018 | 54,023 | 41.1% | 12 of 12 |
| 2019 | 44,878 | 34.2% | 12 of 12 |
| 2020 | 34,851 | 26.5% | 12 of 12 |
| 2021 | 44,776 | 34.1% | 12 of 12 |
| 2022 | 43,626 | 33.2% | 12 of 12 |
| 2023 | 46,942 | 35.7% | 12 of 12 |
| 2024 | 51,081 | 38.8% | 12 of 12 |
| 2025 | 53,311 | 40.6% | 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 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 |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 2.5 | August 1914 |
| 2 | Conventional Hydroelectric | 2.5 | August 1914 |
| 3 | Conventional Hydroelectric | 2.5 | August 1914 |
| 4 | Conventional Hydroelectric | 2.5 | August 1914 |
| 5 | Conventional Hydroelectric | 2.5 | August 1914 |
| 6 | Conventional Hydroelectric | 2.5 | August 1921 |
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 Dominion Energy South Carolina, Inc 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 Parr Hydro
More plants operated by Dominion Energy South Carolina, Inc
Questions about Parr Hydro
How much power does Parr Hydro produce?
Parr Hydro reported 53,311 MWh (53.3 GWh) of net generation in 2025, a 40.6% capacity factor on 15 MW of nameplate capacity.
Where is Parr Hydro?
Parr Hydro is in Fairfield County, South Carolina, at 34.2613, −81.3309. It is in the Dominion Energy South Carolina balancing area (SCEG).
Who operates Parr Hydro?
EIA-860M for August 2026 lists Dominion Energy South Carolina, Inc as the operator (EIA operator ID 17539). The operator is not always the owner.
When did Parr Hydro start operating?
Its first generator began operating in August 1914, 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