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Castleton Energy Center

Rensselaer County, New York · EIA plant ID 10190 · Operator: Fortistar Castleton Power
Natural gasNatural Gas Fired Combined Cycle⛽ Dual-fuelNYISOBA: NYIS
Nameplate72MWSummer 67 MW
Generators2in service
Net generation144GWh12 mo to Dec 2025
Capacity factor25%gas/coal/oil units, summer MW
Heat rate9,277Btu/kWhfossil units, electric fuel, HHV
First online1992Runs as peaking

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
010203040GWh200120032006200820102012201420162018202020222024

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%20%40%2005201020152020202524.6% · 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.
6,0008,00010,00012,000200520102015202020259,277 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
2001334——
2002372.8——
2003240.740.4%8,397
2005136.122.9%11,663
200612721.3%10,996
2007225.337.8%9,568
200884.814.2%9,599
200958.59.8%6,930
2010135.722.8%8,703
201185.714.4%9,501
2012100.316.8%13,135
2013105.617.7%9,088
2014229.438.5%8,931
2015283.847.6%8,958
2016264.943.0%8,928
2017156.925.5%9,353
2018130.621.2%9,473
2019129.521.8%9,441
202077.113.0%9,597
2021145.324.5%9,475
2022174.329.4%9,513
202389.915.2%9,521
202487.114.8%9,301
2025144.524.6%9,277

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 mo16,963 MMBtu
Last month with liquid burnJan 2025
Switch while operatingYes
Net summer MW on gas44
Net summer MW on oil43
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
GEN1Natural Gas Fired Combined CycleCT4767Feb 1992Operating—coming soon
GEN2Natural Gas Fired Combined CycleCA25—Feb 1992Operating—coming soon

Owner / operator

Operator: Fortistar Castleton Power. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Fortistar Castleton Power65.3%47 MW
Castleton Energy Center34.7%25 MW

Nearby plants

Within 80 km.
Castleton5 MW3.7 km
Bethlehem5 MW6.1 km
Bethlehem Energy Center893 MW6.5 km
Bethlehem - West1 MW6.6 km
Bethlehem - East2 MW6.6 km
NY Selkirk S Albany RD - Hemlock Hills S5 MW7.7 km