177.6 MW Hydro operating in Halifax, NC — PJM Interconnection, LLC
177.6 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1963
Operating Since
Coordinates
36.4991, -77.8115
County
Halifax, NC
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Virginia Electric & Power Co | Virginia Electric and Power | — |
| Owner(s) | Virginia Electric & Power Co | Dominion Energy | — |
| Status | Operating | operating | — |
The Gaston hydroelectric plant is located in Halifax County, North Carolina. The plant has a total capacity of 177.6 MW across four generators, and it began operating in 1963. The primary fuel source is water (WAT), and the plant utilizes conventional hydroelectric technology. Dominion Energy is the parent company, with Virginia Electric & Power Co. listed as the EIA operator. Gaston ranks as the third-largest hydroelectric plant in North Carolina out of eight such plants, and it is 106th-largest nationally out of 194.
Gaston operates within the PJM Interconnection, LLC balancing authority and the SERC NERC region. The plant's latest annual generation was 225,599 MWh, resulting in a capacity factor of 14.6%. Financial data indicates an installed cost of $291.63 per kW.
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
232 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
11.2K MWh
Latest Month
225.6K MWh
Annual Generation
14.6%
Capacity Factor
$342/kW
Installed Cost
$0.3/MWh
Operating Cost
VIRGINIA ELECTRIC AND POWER COMPANY
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
PJM
LMP Node
GASTON4 14 KV G1
Pricing Hub
DOMINION HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
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