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Sithe Independence Station

Oswego County, New York · EIA plant ID 54547 · Operator: Sithe/Independence LLC
Natural gasNatural Gas Fired Combined CycleNYISOBA: NYIS
Nameplate1,158MWSummer 996 MW
Generators6in service
Net generation6,772GWh12 mo to Aug 2026
Capacity factor78%gas/coal/oil units, summer MW
Heat rate6,764Btu/kWhfossil units, electric fuel, HHV
First online1994Runs 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
0200400600800GWh2001200320052007200920112013201520172019202120232025

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%2005201020152020202577.6% · 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.
6,6006,8007,0007,200200520102015202020256,764 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20017,157.5——
20024,131.2——
20032,754.532.0%7,274
20041,686.419.6%7,037
20052,746.331.9%7,071
20061,646.819.1%7,069
20072,355.627.4%7,071
20081,190.813.8%7,045
20092,902.633.7%6,728
20103,423.239.8%7,044
20113,109.536.8%7,058
20125,462.466.6%7,055
20135,215.764.0%6,983
20145,996.473.6%7,001
20156,451.980.9%7,004
20164,748.357.6%6,736
20174,294.251.3%6,731
20185,274.663.0%6,764
20194,780.156.2%6,746
20204,144.648.6%6,764
20213,522.241.0%6,764
20223,683.442.9%6,764
20234,042.548.1%6,741
20246,15870.4%6,764
20256,200.271.0%6,738

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 Fired Combined CycleCT184161.8Oct 1994Operating—coming soon
2Natural Gas Fired Combined CycleCT184161.8Sep 1994Operating—coming soon
3Natural Gas Fired Combined CycleCT184161.8Aug 1994Operating—coming soon
4Natural Gas Fired Combined CycleCT184161.8Sep 1994Operating—coming soon
5Natural Gas Fired Combined CycleCA210.9174.5Oct 1994Operating—coming soon
6Natural Gas Fired Combined CycleCA210.9174.5Sep 1994Operating—coming soon

Owner / operator

Operator: Sithe/Independence LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Vistra Energy100.0%1,158 MW

Nearby plants

Within 80 km.
SSC Oswego II LLC5 MW3.2 km
Summit - Scriba CSG5 MW4 km
Indeck Oswego Energy Center57 MW4.3 km
Nine Mile Point Nuclear Station1,901 MW4.4 km
James A Fitzpatrick883 MW4.5 km
High Dam12 MW6.8 km