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W S Lee

Anderson County, South Carolina · EIA plant ID 3264 · Operator: Duke Energy Carolinas, LLC
Natural gasNatural Gas Fired Combined CycleNatural Gas Fired Combustion Turbine⛽ Dual-fuelBA: DUK

×163 MW natural gas retired since 2020 (latest Mar 2022)

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Nameplate955MWSummer 844 MW
Generators5in service
Net generation5,820GWh12 mo to Aug 2026
Capacity factor79%gas/coal/oil units, summer MW
Heat rate7,167Btu/kWhfossil units, electric fuel, HHV
First online2007Runs 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
-2000200400GWh2001200320052007200920112013201520172019202120232025

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%2005201020152020202578.7% · 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.
5,0007,50010,00012,500200520102015202020257,167 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20011,074.2——
2002925.7——
20031,562.838.8%10,399
20041,123.227.8%10,710
20051,445.535.9%10,656
20061,26331.3%10,919
20071,534.339.8%10,847
20081,295.433.5%10,950
200942810.8%11,234
20101,07326.9%11,102
2011741.918.4%11,379
2012185.24.6%11,445
201359.71.5%13,886
2014344.79.4%11,398
2015127.35.8%12,083
2016284.112.7%11,587
2017127.45.7%11,756
20183,657.349.3%7,273
20195,27257.9%7,038
20206,032.766.0%7,033
20215,851.764.2%7,083
20224,710.260.3%7,126
20235,961.278.8%7,174
20245,646.474.4%7,136
20255,98681.0%7,192

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.
StatusLikely still dual fuel
Liquid fuel burned · 36 mo69,713 MMBtu
Last month with liquid burnJul 2026
Switch while operatingYes
Net summer MW on gas84
Net summer MW on oil84
Time gas → oilup to 1 h (EIA 1H)
Time oil → gasup to 1 h (EIA 1H)

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
7Natural Gas Fired Combustion TurbineGT5442Jan 2007Operating—coming soon
8Natural Gas Fired Combustion TurbineGT5442Jan 2007Operating—coming soon
CT11Natural Gas Fired Combined CycleCT242.3224Apr 2018Operating—coming soon
CT12Natural Gas Fired Combined CycleCT242.3223Apr 2018Operating—coming soon
ST10Natural Gas Fired Combined CycleCA362.1313Apr 2018Operating—coming soon
1Conventional Steam CoalST90100Mar 1951Retired Nov 2014—coming soon
2Conventional Steam CoalST90100Jul 1951Retired Nov 2014—coming soon
3Natural Gas Steam TurbineST163.2170Dec 1958Retired Mar 2022—coming soon
4Natural Gas Fired Combustion TurbineGT35.130Apr 1978Retired Jan 2007—coming soon
5Natural Gas Fired Combustion TurbineGT35.130Feb 1968Retired Jan 2007—coming soon
6Natural Gas Fired Combustion TurbineGT35.130Apr 1968Retired Jan 2007—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%955 MW

Nearby plants

Within 80 km.
Pelzer Lower3 MW2 km
Pelzer Upper2 MW4.8 km
Pelzer Solar I1 MW8.7 km
Hollidays Bridge Hydro4 MW10 km
Berry Road Solar2 MW10.6 km
Piedmont Hydro Power Project1 MW11.4 km