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Marshall (NC)Retirement planned

Catawba County, North Carolina · EIA plant ID 2727 · Operator: Duke Energy Carolinas, LLC
CoalConventional Steam CoalNatural Gas Steam TurbineBA: DUK
Nameplate2,119MWSummer 2,058 MW
Generators4in service
Net generation7,835GWh12 mo to Aug 2026
Capacity factor43%gas/coal/oil units, summer MW
Heat rate9,840Btu/kWhfossil units, electric fuel, HHV
First online1965Runs as intermediate

The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
05001,0001,500GWh2001200320052007200920112013201520172019202120232025

Capacity factor by year

Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%25%50%75%2005201020152020202543.5% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
8,5009,0009,50010,00010,500200520102015202020259,840 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
200113,061.771.3%9,026
200214,498.279.2%9,059
200315,350.583.8%8,927
200414,988.880.9%9,044
200515,499.283.9%9,097
200612,968.370.2%9,143
200714,879.680.5%9,341
200812,825.169.2%9,453
200912,689.869.7%9,357
201012,775.670.2%9,347
201111,361.662.4%9,475
20129,614.652.7%9,595
20138,36045.9%9,456
20149,40851.7%9,337
20157,658.942.1%9,293
20169,754.454.0%9,225
20179,224.651.2%9,494
20188,486.347.1%9,522
20197,786.943.2%9,683
20206,086.433.7%9,949
20216,897.438.3%10,048
20227,205.940.0%10,066
20236,899.438.3%10,175
20247,445.141.2%10,406
20256,943.538.5%9,828

Generators

EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
Gen IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
1Natural Gas Steam TurbineST348.5370Mar 1965Operating · retirement plannedDec 2028coming soon
2Conventional Steam CoalST348.5370Apr 1966Operating · retirement plannedDec 2028coming soon
3Natural Gas Steam TurbineST711658May 1969Operating · retirement plannedDec 2033coming soon
4Conventional Steam CoalST711660May 1970Operating · retirement plannedDec 2033coming soon

Owner / operator

Operator: Duke Energy Carolinas, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Duke Energy Carolinas, LLC100.0%2,119 MW

Nearby plants

Within 80 km.
MILL SOLAR 1retired13.3 km
Cornelius Delivery No 12 MW16.1 km
Apple One5 MW17.6 km
Cowans Ford350 MW18.1 km
Maiden Creek Solar Power Plant69 MW18.2 km
McGuire2,441 MW18.3 km