Mountain Island

439 Mountain Island Rd, Mount Holly, NC 28120

Plant Summary Information

Mountain Island is ranked #14 out of 35 hydroelectric power plants in North Carolina in terms of total annual net electricity generation.

Mountain Island is comprised of 4 generators and generated 27.4 GWh during the 3-month period between September 2024 to December 2024.

Plant Name	Mountain Island
Utility Name	Duke Energy Carolinas, LLC
Location	Gaston County, NC
Initial Operation Date	December 1923
Last Update	Dec 2024
Annual Generation	131.1 GWh
Annual Consumption	468.9 k MMBtu
Ranked #2,979 out of 12,312 Power Plants Nationwide
Ranked #293 out of 1,323 Water Power Plants Nationwide
Ranked #62 out of 868 North Carolina Power Plants
Ranked #14 out of 35 North Carolina Water Power Plants
Fuel Types	Water

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Summary Information
Plant Name	Mountain Island (2728)
Plant Address	439 Mountain Island Rd, Mount Holly, NC 28120
Utility	Duke Energy Carolinas, LLC (5416)
Latitude, Longitude	35.3339, -80.9867
Generation Dates on File	Jan 2001 to Dec 2024
Initial Operation Date	December 1923
Annual Generation	131.1 GWh
Fuel Types	Water

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Regulated
NERC Region	SERC
Balancing Authority	Duke Energy Carolinas (DUK)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Catawba River
Ash Impoundment	No
Transmission / Distribution Owner	Duke Energy Carolinas, LLC (5416) NC
Grid Voltage	44.00 kV
Energy Storage	No

* Data obtained from the 2024 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	15 MW
Nameplate Power Factor	0.8
Summer Capacity	17 MW
Winter Capacity	17 MW
Minimum Load	14 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	December 1923
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	15 MW
Nameplate Power Factor	0.8
Summer Capacity	17 MW
Winter Capacity	17 MW
Minimum Load	14 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	December 1923
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	15 MW
Nameplate Power Factor	0.8
Summer Capacity	17 MW
Winter Capacity	17 MW
Minimum Load	17 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	December 1923
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	15 MW
Nameplate Power Factor	0.8
Summer Capacity	17 MW
Winter Capacity	17 MW
Minimum Load	17 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	December 1923
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#283	Balch 1	Balch Camp, CA	138.8 GWh
#284	Santeetlah	Robbinsville, NC	138.5 GWh
#285	Tuckertown Hydro	New London, NC	137.6 GWh
#286	Seminoe	Sinclair, WY	137.0 GWh
#287	Gulf Island	Lewiston, ME	136.3 GWh
#288	Wissota	Chippewa Falls, WI	135.9 GWh
#289	Berlin Gorham	Berlin, NH	133.5 GWh
#290	Hauser	Helena, MT	134.4 GWh
#291	Terror Lake Microgrid	Kodiak, AK	134.1 GWh
#292	Stewarts Bridge	Corinth, NY	132.7 GWh
#294	Anderson Ranch	Mountain Home, ID	130.0 GWh
#295	RC Thomas Hydroelectric Project	Livingston, TX	129.6 GWh
#296	Ellis Hydro	Van Buren, AR	128.8 GWh
#297	Forbestown	Forbestown, CA	128.5 GWh
#298	Oliver Dam	Columbus, GA	128.4 GWh
#299	Black Eagle	Great Falls, MT	127.5 GWh
#300	Falls Hydro	Badin, NC	126.5 GWh
#301	Tyee Lake Hydroelectric Facility	Wrangell, AK	126.0 GWh
#302	Nine Mile	Nine Mile, WA	125.7 GWh
#303	Melton Hill	Lenoir City, TN	125.1 GWh

Below are closest 20 power plants surrounding Mountain Island.

Plant Name	Plant Location	Annual Generation	Distance
Auten Road Farm, LLC	Gastonia, NC	8.6 GWh	8.7 mi
Concord Energy	Concord, NC	65.8 GWh	17.8 mi
Cowans Ford	Stanley, NC	182.0 GWh	7.1 mi
DE Solar 10240 Old Dowd Rd	Charlotte, NC	1.9 GWh	6.1 mi
DE Solar 1725 Drywall Dr	Mt. Holly, NC	902.0 MWh	0.8 mi
Freemont Solar Center LLC	Stanley, NC	7.2 GWh	6.5 mi
G G Allen	Belmont, NC	197.9 GWh	10.1 mi
Gaston County Renewable Energy Center	Dallas, NC	19.8 GWh	11 mi
Gaston Memorial Hospital	Gastonia, NC	33.0 MWh	9.5 mi
Gaston Solar Power Plant	Cherryville Township, NC	42.8 GWh	8.4 mi
Gastonia Solar Center	Gastonia, NC	7.9 GWh	13.5 mi
Gastonia, Tulip Drive	Gastonia, NC	26.0 MWh	12.7 mi
GRS CMS	Concord, NC	610.0 MWh	18 mi
High Shoals Hydro (NC)	High Shoals, NC	3.6 GWh	12.8 mi
High Shoals PV1	High Shoals, NC	28.9 GWh	13.8 mi
Lincoln Combustion	Stanley, NC	247.6 GWh	7.3 mi
Long Creek Waste Water Plant	Dallas, NC	395.0 MWh	8.9 mi
Mariposa Solar Center LLC	Stanley, NC	8.9 GWh	6.3 mi
McGuire	Huntersville, NC	19.3 TWh	7.2 mi
Reventure Park	Charlotte, NC	23.6 GWh	2.8 mi