MASSENA ENERGY FACILITY

Operating

Natural Gas power plant

Capacity
104 MW
Primary fuel
Natural Gas
County
St. Lawrence County
Operator
POWER CITY PARTNERS LP
Status
Operating
Commissioned
1992
EIA plant ID
54592
Generators
3
Technology
Natural Gas Fired Combined Cycle
Net generation (2024)
12.2 GWh
Capacity factor (2024, EIA nameplate)
1.3%
Data vintage
EIA-860 2024 final; EIA-923 2022-2024 final
Coordinates
44.9502, -74.8926

See it on the map

MASSENA ENERGY FACILITY, a 104 MW Natural Gas power plant in St. Lawrence County, New York. Operated by POWER CITY PARTNERS LP, commissioned 1992.

How MASSENA ENERGY FACILITY compares

With 104 MW of capacity, MASSENA ENERGY FACILITY ranks 50th among the 320 operating power plants Bywatts maps in New York and 29th of the 68 operating Natural Gas plants in the state. It accounts for about 0.5% of New York's operating Natural Gas capacity and 0.3% of all operating capacity in the state. Nationally it is the 665th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1992, it is newer than 66% of the 312 operating New York plants with a recorded commissioning year. It shares St. Lawrence County with 37 other operating plants, including ROBERT MOSES POWER DAM and COLTON.

EIA-860 lists 3 generators at the site with 104 MW of nameplate capacity, mainly natural gas fired combined cycle technology. Net generation was 12.2 GWh in 2024 (a 1.3% capacity factor).

Grid neighborhood

The nearest named substation is MASSENA (765 kV), about 3.6 miles away; the closest transmission line found within 10 miles is a 115 kV line owned by NIAGARA MOHAWK POWER CORP., under 0.1 miles away. Another 13 operating power plants totaling 955 MW sit within 25 miles; the largest is ROBERT MOSES POWER DAM (912 MW, Hydro).

Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology

Weather peril exposure

MASSENA ENERGY FACILITY is a 104 MW natural gas power plant in St. Lawrence County, NY, operated by POWER CITY PARTNERS LP, commissioned in 1992. St. Lawrence County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.0 of 5 at the 1st national percentile. Earthquake is the leading peril, rated Relatively Low by FEMA at the 79th percentile.

The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.

1.0 of 5Modeled catastrophe exposure
LowExposure band
EarthquakeLeading peril
Relatively LowFEMA county risk rating

St. Lawrence County hazard ratings

PerilFEMA ratingNational percentilePeril scoreEvents per year
EarthquakeRelatively Low79th4.2 of 5<0.01
Ice stormRelatively High76th4.0 of 50.66
Riverine floodingRelatively Moderate62nd3.5 of 50.96
Winter weatherRelatively High53rd3.1 of 519.7
HurricaneRelatively Low43rd2.7 of 5<0.01
LightningRelatively Moderate34th2.4 of 523.7
Strong windRelatively Low26th2.1 of 50.54
TornadoVery Low8th1.3 of 50.10
WildfireVery Low6th1.2 of 5<0.01
Heat waveVery Low4th1.2 of 51.3
HailVery Low2nd1.1 of 50.34

Perils not assessed in St. Lawrence County

These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.

PerilWhy it is not scored
Coastal floodingFEMA rating is "Not Applicable" for this county

Model hail, wind and flood exposure for St. Lawrence County in the weather risk calculator

Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.

Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.