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Buck

Rowan County, North Carolina · EIA plant ID 2720 · Operator: Duke Energy Carolinas, LLC
Natural gasNatural Gas Fired Combined CycleBA: DUK
Nameplate698MWSummer 668 MW
Generators3in service
Net generation4,477GWh12 mo to Aug 2026
Capacity factor77%gas/coal/oil units, summer MW
Heat rate7,084Btu/kWhfossil units, electric fuel, HHV
First online2011Runs as baseload

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
-1000100200300400GWh2001200320052007200920112013201520172019202120232025

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%2005201020152020202576.5% · 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.
6,0008,00010,00012,000200520102015202020257,084 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20011,522.2——
20021,249.8——
20032,117.852.3%10,540
20041,571.138.7%10,674
20051,647.640.7%10,993
20061,58039.0%11,338
20071,721.642.5%11,077
20081,303.532.1%10,717
2009419.911.1%11,480
20101,136.630.1%11,143
2011845.420.8%9,991
20124,38754.1%7,285
20134,332.369.2%7,215
20143,701.263.2%7,100
20154,975.985.0%7,085
20165,021.285.6%7,047
20175,118.787.5%7,051
20185,173.188.4%7,115
20194,392.375.1%7,124
20203,866.865.9%7,090
20214,535.477.5%7,052
20224,866.883.2%7,142
20233,819.465.3%7,104
20244,208.671.7%7,140
20253,954.167.6%7,052

Fuel capability

Gas-fired turbines (CT/GT/CA/CS) that can also burn liquid fuel. EIA-860 Schedule 3 for capability, EIA-923 for actual burn.
StatusListed in EIA-860, no liquid burn in 36 months
Liquid fuel burned · 36 mo0 MMBtu
Last month with liquid burn—
Switch while operating—
Net summer MW on gas—
Net summer MW on oil—
Time gas → oil—
Time oil → gas—

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
CT11Natural Gas Fired Combined CycleCT185.3182Nov 2011Operating—coming soon
CT12Natural Gas Fired Combined CycleCT185.3182Nov 2011Operating—coming soon
ST10Natural Gas Fired Combined CycleCA327.3304Nov 2011Operating—coming soon
10Natural Gas Fired Combined CycleCC255250planned Dec 2011not_current—coming soon
11Natural Gas Fired Combined CycleCC255250planned Dec 2011not_current—coming soon
CT10—CT218163.5planned Oct 2011not_current—coming soon
ST12—CA———not_current—coming soon
3Conventional Steam CoalST8075Jul 1941Retired May 2011—coming soon
4Conventional Steam CoalST4038Sep 1942Retired May 2011—coming soon
5Conventional Steam CoalST125128Sep 1953Retired May 2013—coming soon
6Conventional Steam CoalST125128Dec 1953Retired May 2013—coming soon
7Natural Gas Fired Combustion TurbineGT34.825Jul 1970Retired Oct 2012—coming soon
8Natural Gas Fired Combustion TurbineGT34.825Jul 1970Retired Oct 2012—coming soon
9Natural Gas Fired Combustion TurbineGT34.812Jul 1970Retired Oct 2012—coming 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%698 MW

Nearby plants

Within 80 km.
Spencer Farm, LLC5 MW2.8 km
Davidson V2 MW8.6 km
Davidson III5 MW8.6 km
Davidson IV3 MW8.6 km
Salisbury Solar4 MW9.9 km
Works 533 MW10.1 km