Natural Gas Fired Combined CycleNYISO · Oswego Countyplant:plant-54547

Sithe Independence Station

Vistra Energy Corp. - Oswego County - NYISO

Sithe Independence Station is a natural-gas-fired combined-cycle cogeneration facility located at 76 Independence Way in Oswego County, New York. The facility comprises six operating generators configured in two combined-cycle blocks, each with four GE Frame 7FA gas-turbine/heat-recovery steam-generator units with duct burners, plus two auxiliary boilers and one emergency diesel generator. The facility provides wholesale electric power to the NYISO market, retail power to specified customers and utilities, and thermal energy to a host facility. The plant operates at 345 kV transmission voltage and is interconnected via the Scriba and Clay substations.

Overview

Key fields

Nameplate capacity
1,157.8 MW

Canonical EIA plant baseline.

Registry anchor
Plant 54547

plant-54547

Structured profile

Technology
Natural Gas Fired Combined Cycle
Operator
Sithe/Independence LLC

Units and generators

Operating generator records and technology attributes reported through EIA-860.

GeneratorCapacityTechnologyOperationStatus
1184 MW
161.8 MW summer
Natural Gas Fired Combined Cycle
Natural Gas · CT
Oct 1994Operating
2184 MW
161.8 MW summer
Natural Gas Fired Combined Cycle
Natural Gas · CT
Sep 1994Operating
3184 MW
161.8 MW summer
Natural Gas Fired Combined Cycle
Natural Gas · CT
Aug 1994Operating
4184 MW
161.8 MW summer
Natural Gas Fired Combined Cycle
Natural Gas · CT
Sep 1994Operating
5210.9 MW
174.5 MW summer
Natural Gas Fired Combined Cycle
Natural Gas · CA
Oct 1994Operating
6210.9 MW
174.5 MW summer
Natural Gas Fired Combined Cycle
Natural Gas · CA
Sep 1994Operating

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity
1,157.8 MW
Natural Gas Fired Combined Cycle
National rank
#69
of 538 operating peers
NY rank
#3
of 39 operating peers

Monthly generation

Download CSV
Latest 12 months
6.71 TWh
Reported net generation
Latest report
Apr 2026
EIA-923 monthly filing
2025 capacity factor
61.1%
Using current reported nameplate capacity
May 2023: 58.9 GWh2023-05Jun 2023: 406.8 GWhJul 2023: 669.3 GWhAug 2023: 516.7 GWhSep 2023: 334.5 GWhOct 2023: 309.8 GWhNov 2023: 301.3 GWh2023-11Dec 2023: 562.2 GWhJan 2024: 745.9 GWhFeb 2024: 636.6 GWhMar 2024: 574 GWhApr 2024: 148.6 GWhMay 2024: 190.6 GWh2024-05Jun 2024: 417.5 GWhJul 2024: 599.6 GWhAug 2024: 546.1 GWhSep 2024: 528 GWhOct 2024: 540.5 GWhNov 2024: 466.7 GWh2024-11Dec 2024: 763.8 GWhJan 2025: 779.6 GWhFeb 2025: 729.2 GWhMar 2025: 510.2 GWhApr 2025: 191.5 GWhMay 2025: 191.8 GWh2025-05Jun 2025: 430.1 GWhJul 2025: 566.4 GWhAug 2025: 578.6 GWhSep 2025: 302 GWhOct 2025: 411.4 GWhNov 2025: 695.1 GWh2025-11Dec 2025: 814.4 GWhJan 2026: 822.9 GWhFeb 2026: 744.9 GWhMar 2026: 719.9 GWhApr 2026: 433.5 GWh2026-04

Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Nearby substations

HIFLD infrastructure inventory
IN SERVICE · 345 kV
0.1 km
IN SERVICE · 345 kV
0.5 km
IN SERVICE · 115 kV
0.9 km
IN SERVICE · 115 kV
3.8 km
IN SERVICE · 115 kV
3.9 km

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

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AssetOwner / operatorProject companyEquipmentMarket / regulator

Parties and identifiers

RelationshipEntityBasis
OperatorSithe/Independence LLCEIA-registered operator
Project company / former ownerSithe/Independence Power Partners, L.P.historical permit holder and project partnership
Former ownerExelon Corporationpredecessor owner
Former ownerDynegy Inc.owner 2005-2017
Equipment supplierGE Power (General Electric)gas turbine and steam turbine supplier
RegulatorNew York State Department of Environmental Conservation (DEC)environmental regulator and permitting authority
Former ownerSithe Independence L.P.historical power-generation partnership
Grid selectionplant:plant-54547Canonical asset page /nyiso/assets/plant/sithe-independence-station.

Reporting portfolio

EIA reporting entity
Sithe/Independence LLC
Entity 17254
Operating portfolio
1 plants
1 states
Reported capacity
1,157.8 MW
Natural Gas Fired Combined Cycle

Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

  1. Generator enters operationEIA-860

    EIA-860 lists generator 3 with this operating date.

  2. Generators enter operationEIA-860

    EIA-860 lists generator 2, generator 4, generator 6 with this operating date.

  3. Generators enter operationEIA-860

    EIA-860 lists generator 1, generator 5 with this operating date.

Common questions about Sithe Independence Station

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is Sithe Independence Station?

Sithe Independence Station has a reported capacity of 1,157.8 MW. Source: EIA Form 860M.

What kind of plant is Sithe Independence Station?

Sithe Independence Station is a Natural Gas Fired Combined Cycle facility in Oswego County, NY, participating in the NYISO market.

Where is Sithe Independence Station located?

Sithe Independence Station is in Oswego County, NY, inside the NYISO balancing area.

Who operates Sithe Independence Station?

Sithe Independence Station is operated by Sithe/Independence LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Sithe Independence Station generate?

Sithe Independence Station reported 6,710.9 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

How does Sithe Independence Station compare to other plants?

By capacity, Sithe Independence Station ranks #69 of 538 operating plants of the same technology nationally. It ranks #3 of 39 in NY.

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