Query
99 Islands
Type
Entity Briefing
Entity
99 Islands
Generated
2026-10-18T10:23:31.203Z

Briefing on 99 Islands

Entity Briefing
Generated Oct 18, 2026·Dataset freshness not reported
12 MW
Capacity
Operating
Current status
1910
Operating since
4
Generators
34.3%
Capacity factor
37 GWh
Annual generation
Briefing/plantOperating

99 Islands is a 12 MW Conventional Hydroelectric asset in South Carolina, currently Operating.

99 Islands is reported in South Carolina since 1910 under Duke Energy. Available operating and financial measures include 34.3% capacity factor and 37 GWh annual generation.

Location
Cherokee, South Carolina
Technology
Conventional Hydroelectric
Owner / parent
Duke Energy
Operator
Duke Energy Carolinas, LLC
Grid
Duke Energy Carolinas
Plant ID
3272

What stands out

1

99 Islands is a 12 MW Conventional Hydroelectric asset in South Carolina with status Operating.

2

Latest annual operating measures report 34.3% capacity factor and 37 GWh annual generation.

3

Latest linked story: “Duke Energy Carolinas, LLC; Notice of Application for Temporary Variance Accepted for Filing, Soliciting Comments, Motions To Intervene, and Protests” (Federal Register (FERC), 2026-07-13).

Market and operating context

Balancing authority
Duke Energy Carolinas
NERC region
SERC
State rank
#17 of 32
National rank
#601 of 1,462

Why it matters

For this asset, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.