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768.6 MW Nuclear operating in Darlington, SC
768.6 MW
Nameplate Capacity
1
Generators
unit
Nuclear
Technology
1971
Operating Since
Coordinates
34.4017, -80.1589
County
Darlington, SC
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Progress - (NC) | Progress Energy | Duke Energy |
| Owner(s) | Duke Energy Progress - (NC) | Duke Energy | — |
| Status | Operating | operating | — |
The H. B. Robinson Steam Electric Plant, also known as Robinson Nuclear Plant, is a nuclear power plant located near Hartsville, South Carolina. The plant consists of one Westinghouse 759 MW pressurized water reactor. The site once included a coal-fired unit that generated 174 MW and a combustion turbine unit that generated 15 MW.
Read more on WikipediaH B Robinson is a 768.6 MW nuclear power plant located in Darlington County, South Carolina. The plant began operating in 1971 and has one generator. It is owned and operated by Duke Energy, specifically Duke Energy Progress - (NC), and falls within the Duke Energy Progress East balancing authority and the SERC NERC region. H B Robinson ranks as the 4th largest power plant in South Carolina out of 4 plants, and 52nd nationally out of 55 plants.
In the most recent year with available data, H B Robinson generated 6,721,389 MWh of electricity, achieving a capacity factor of 99.1%. Financial data indicates an installed cost of $1834.4 per kW, according to FERC filings. News coverage of the plant includes topics such as industry trends, regulatory matters, grid operations, and potential hazards.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Duke Energy Progress East (CPLE)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
576.2K MWh
Latest Month
6.7M MWh
Annual Generation
99.1%
Capacity Factor
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CO₂ Intensity
—
NOx
—
SO₂
—
CH₄
0.000 lb/MWh
N₂O
0.000 lb/MWh
Capacity Factor
99.4%
Annual Net Gen
6694 GWh
CO₂eq
0.000 lb/MWh
Subregion
SERC Virginia/Carolina
Nuclear · Duke Energy Progress, Inc. · Data from 2015–2024
$2,275/kW
Installed Cost
$89/kW
Annual CapEx
$25.9/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-05-31
View all 7 articlesForward forecasts, scenario decomposition, and risk-decision tooling for this asset.
NRC approved 20-year license renewal for H.B. Robinson Nuclear Plant, authorizing continued operations through 2050.
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