Jocassee

OperatingHydro

Ranked #2 of 32 Hydro plants in SC#33 of 1454 nationally

774 MW Hydro operating in Pickens, SC — Duke Energy Carolinas

EIAGEMWD

774 MW

Nameplate Capacity

Generators

units

Hydroelectric Pumped Storage

Technology

1973

Operating Since

Location

Coordinates

34.9594, -82.9147

County

Pickens, SC

Nearby Plants

Bad Creek
Hydro1680 MW · 9.2 km
Keowee
Hydro157.6 MW · 18.1 km
Oconee
Nuclear2666.7 MW · 18.5 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Duke Energy Carolinas, LLC	Duke Energy Carolinas	—
Owner(s)	Duke Energy Carolinas, LLC	Duke Energy	Duke Energy
Status	Operating	operating	—

Ownership Chain

About

Jocassee Dam is an embankment dam on the Keowee River, straddling the border of Pickens and Oconee counties in South Carolina in the United States. The dam forms Lake Jocassee, which is fed by the Toxaway, Thompson, Horsepasture and Whitewater Rivers, and serves primarily for hydroelectric power generation and flood control. The dam and reservoir are part of the Keowee-Toxaway Hydroelectric Project, owned and operated by Duke Energy.

Read more on Wikipedia

Jocassee is a 774 MW hydroelectric pumped storage power plant located in Pickens County, South Carolina. The plant began operating in 1973 and is owned and operated by Duke Energy Carolinas, LLC, a subsidiary of Duke Energy. It consists of 4 generators using water as its primary fuel source. Jocassee is the second-largest of 7 hydroelectric plants in South Carolina, and ranks 33rd out of 194 nationally. The plant operates within the Duke Energy Carolinas balancing authority and the SERC NERC region.

Financial data indicates an installed cost of $204.61 per kilowatt. The plant has a power purchase agreement (PPA) price of $25 per MWh. Financial data is sourced from FERC and FERC EQRs.

Generated from EIA, GEM, and public data sources

Wikipedia EIA Plant Profile Wikidata Global Energy Monitor

Engineering & Generators

Grid Context

NERC Region

SERC

Balancing Authority

Duke Energy Carolinas

Grid Voltage

230 kV

Regulatory Status

Entity Type

Investor-Owned Utility

Sector

Electric Utility

Generation

−9.8K MWh

Net Charging

-212.0K MWh

Annual Net Energy

-3.1%

Capacity Factor

Jan 2023 – Dec 2025

Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.

Financial DataBeta

Source: FERC Form 1, FERC Electric Quarterly ReportsHIGH

$25.0/MWh

PPA Price

Duke Energy Carolinas, LLC

Contract Seller

Cumulative Installed Cost

Per-Unit Cost Trends

Pricing & Market Data

This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.

News & Articles (10)Beta

Regulatory·permitting

Duke Energy Progress, LLC, Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests

Duke Energy Progress (other)Duke Energy Carolinas (other)

Federal Register (FERC)·1 weeks ago

Regulatory·permitting

Duke Energy Progress, LLC; Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests

Duke Energy Progress (applicant)Duke Energy Carolinas (applicant)

Federal Register (FERC)·1 weeks ago

Regulatory·permitting

Duke Energy Carolinas, LLC; Notice of Application Accepted for Filing, Soliciting Motions To Intervene and Protests, Ready for Environmental Analysis, and Soliciting Comments, Recommendations, Terms and Conditions, and Prescriptions

Duke Energy Carolinas (other)

Federal Register (FERC)·3 weeks ago