Jocassee
Pumped storage power plant in Pickens County, South Carolina. 774 MW of nameplate capacity across 4 generators, operated by Duke Energy Carolinas, LLC.
Also known as Jocassee Hydroelectric Station · EIA plant 3262
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 774 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- December 1973First generator online
- Operator
- Duke Energy Carolinas, LLCEIA operator ID 5416
- Grid
- DUKBalancing authority DUK
- Price nodes
- None linkedNo verified ISO node
- Location
- Pickens County, SC34.9594, −82.9147
- EIA plant ID
- 3262EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Jocassee produces
Free · EIA-923Net generation, 2025
−212 GWh
−212,015 MWh, final
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
−159 GWh
Provisional
Range, 2015 to 2025
−250.0–−104.5
GWh a year. Low 2017, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | −167,040 | Not reported | 12 of 12 |
| 2001 | −237,875 | Not reported | 12 of 12 |
| 2002 | −302,219 | Not reported | 12 of 12 |
| 2003 | −262,822 | Not reported | 12 of 12 |
| 2004 | −264,547 | Not reported | 12 of 12 |
| 2005 | −260,149 | Not reported | 12 of 12 |
| 2006 | −245,010 | Not reported | 12 of 12 |
| 2007 | −250,573 | Not reported | 12 of 12 |
| 2008 | −303,315 | Not reported | 12 of 12 |
| 2009 | −222,399 | Not reported | 12 of 12 |
| 2010 | −151,953 | Not reported | 12 of 12 |
| 2011 | −124,960 | Not reported | 12 of 12 |
| 2012 | −175,367 | Not reported | 12 of 12 |
| 2013 | −169,743 | Not reported | 12 of 12 |
| 2014 | −238,367 | Not reported | 12 of 12 |
| 2015 | −248,787 | Not reported | 12 of 12 |
| 2016 | −206,937 | Not reported | 12 of 12 |
| 2017 | −249,972 | Not reported | 12 of 12 |
| 2018 | −141,807 | Not reported | 12 of 12 |
| 2019 | −143,137 | Not reported | 12 of 12 |
| 2020 | −104,503 | Not reported | 12 of 12 |
| 2021 | −185,439 | Not reported | 12 of 12 |
| 2022 | −242,004 | Not reported | 12 of 12 |
| 2023 | −244,523 | Not reported | 12 of 12 |
| 2024 | −179,037 | Not reported | 12 of 12 |
| 2025 | −212,015 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | −158,856 | Not reported | 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 |
|---|---|---|---|
| 1 | Hydroelectric Pumped Storage | 193.5 | December 1973 |
| 2 | Hydroelectric Pumped Storage | 193.5 | December 1973 |
| 3 | Hydroelectric Pumped Storage | 193.5 | May 1975 |
| 4 | Hydroelectric Pumped Storage | 193.5 | May 1975 |
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 Duke Energy Carolinas, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
300 analyst questions a month, plus MCP
Query Jocassee and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Jocassee
More plants operated by Duke Energy Carolinas, LLC
Questions about Jocassee
How much power does Jocassee produce?
Jocassee reported −212,015 MWh (−212 GWh) of net generation in 2025. From January to July 2026 it reported −159 GWh, which is provisional.
Where is Jocassee?
Jocassee is in Pickens County, South Carolina, at 34.9594, −82.9147. It is in the Duke Energy Carolinas balancing area (DUK).
Who operates Jocassee?
EIA-860M for August 2026 lists Duke Energy Carolinas, LLC as the operator (EIA operator ID 5416). The operator is not always the owner.
When did Jocassee start operating?
Its first generator began operating in December 1973, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page