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United States › Power plants › Hydroelectric plants › South Carolina

HYDROELECTRIC PLANTS

99 Islands

99 Islands is a 12.0 MW operating hydroelectric plant in Cherokee County, South Carolina, operated by Duke Energy Carolinas, LLC.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingMay 1910 (current stage)
  5. ClosedDec 2018 (not yet reached)

This plant has generators at more than one stage; see the table below.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
1Conventional Hydroelectric3.0 MW OperatingMay 1910
2Conventional Hydroelectric3.0 MW OperatingMay 1910
3Conventional Hydroelectric3.0 MW OperatingMay 1910
4Conventional Hydroelectric3.0 MW OperatingMay 1910
5Conventional Hydroelectric3.0 MW RetiredMay 1910Dec 2018
6Conventional Hydroelectric3.0 MW RetiredMay 1910Dec 2018

Plant details

Operator
Duke Energy Carolinas, LLC
Location
Cherokee County, South Carolina
Balancing authority
DUK
Sector
Electric Utility
Capacity
Operating: 12.0 MW
Retired: 6.0 MW
First unit online
May 1910
EIA plant ID
3272

Location

35.0314, -81.4936

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem