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100 MW Hydro operating in Halifax, NC — PJM Interconnection, LLC
100 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1955
Operating Since
Coordinates
36.4789, -77.6722
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 | — |
Roanoke Rapids is a 100 MW hydroelectric power plant located in Halifax County, North Carolina. The plant began operating in 1955 and consists of 4 generators utilizing conventional hydroelectric technology. It is owned by Dominion Energy and operated by Virginia Electric & Power Co. The plant's primary fuel source is water (WAT).
In the most recent year of data, Roanoke Rapids generated 271,683 MWh of electricity, resulting in a capacity factor of 30.8%. The plant operates within the PJM Interconnection, LLC balancing authority and the SERC NERC region. According to available data, the installed cost per kW was $658.09. Roanoke Rapids is ranked as the 8th largest of 8 hydroelectric plants in North Carolina, and 191st of 194 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
12.8K MWh
Latest Month
271.7K MWh
Annual Generation
30.8%
Capacity Factor
Energy storage · VIRGINIA ELECTRIC AND POWER COMPANY · Data from 2015–2024
$876/kW
Installed Cost
$8.9/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
PJM
LMP Node
RORAPIDS14 KV G1
Pricing Hub
DOMINION HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-14
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ask pi about Roanoke RapidsPJM Interconnection, LLC (PJM)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility