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104.1 MW Natural Gas Fired Combined Cycle (102 MW) + Petroleum Liquids (2 MW) operating in St Lawrence, NY — New York Independent System Operator
104.1 MW
Nameplate Capacity
3
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Petroleum Liquids
1992
Operating Since
Coordinates
44.9499, -74.8927
County
St Lawrence, NY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Power City Partners LP | Power City Partners | — |
| Owner(s) | Power City Partners LP | Alliance Energy Group | — |
| Status | Operating | — | — |
The Massena Energy Facility is a 104.1 MW hybrid power plant located in St. Lawrence County, New York. The plant began operating in 1992 and is owned by Alliance Energy Group, with Power City Partners LP as the operator. The facility utilizes natural gas fired combined cycle technology as its primary fuel source, but also has the capability to use petroleum liquids. It consists of 3 generators.
The plant operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In the most recent year of reported data, the Massena Energy Facility generated 12,184 MWh of electricity, resulting in a capacity factor of 1.3%. The plant is ranked 36th out of 38 power plants in New York state, and 925th out of 945 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
NYISO
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
New York Independent System Operator (NYIS)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0 MWh
Latest Month
12.2K MWh
Annual Generation
1.3%
Capacity Factor
CO₂ Intensity
1031 lb/MWh
NOx
0.313 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.019 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
2.4%
Annual Net Gen
22 GWh
CO₂eq
1032 lb/MWh
Subregion
NPCC Upstate NY
2013
$965/kW
Est. Construction Cost
Total estimated cost: $100.5M
Point of Interconnection
Nearest Substation
SITHE___MASSENA
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
23902
Pricing Hub
NYISO Zone D
Node Source
EIA-860 direct report
Last updated 2026-03-26
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