MWPowerPlantFacts
EIA plant 2728

Mount Holly · Gaston · NC

Mountain Island

Operated by Duke Energy Carolinas, LLC

Annual generation131,148 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextDuke Energy CarolinasBalancing authority or NERC region

Published location

Where is Mountain Island?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

35.333900, -80.986700

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Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
128,245 MWh
213,410 MWh
313,261 MWh
46,124 MWh
513,433 MWh
64,954 MWh
74,646 MWh
89,234 MWh
910,394 MWh
1011,230 MWh
116,215 MWh
1210,002 MWh

Operating generators

IDTechnologyFuelMWStatus
1Conventional HydroelectricWAT15OP
2Conventional HydroelectricWAT15OP
3Conventional HydroelectricWAT15OP
4Conventional HydroelectricWAT15OP

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Identity, technology and limitations
EIA plant ID
2728
Sector
Electric Utility
Water source
Catawba River
Data edition
2024-final