KENDALL SQUARE STATION
OperatingNatural Gas power plant
- Capacity
- 274 MW
- Primary fuel
- Natural Gas
- County
- Middlesex County
- Operator
- NRG KENDALL LLC
- Status
- Operating
- Commissioned
- 1958
- EIA plant ID
- 1595
- Generators
- 3
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 1,583 GWh
- Capacity factor (2024, EIA nameplate)
- 77%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 42.3630, -71.0794
KENDALL SQUARE STATION, a 274 MW Natural Gas power plant in Middlesex County, Massachusetts. Operated by NRG KENDALL LLC, commissioned 1958.
How KENDALL SQUARE STATION compares
With 274 MW of capacity, KENDALL SQUARE STATION ranks 11th among the 125 operating power plants Bywatts maps in Massachusetts and 8th of the 22 operating Natural Gas plants in the state. It accounts for about 5.1% of Massachusetts's operating Natural Gas capacity and 2.9% of all operating capacity in the state. Nationally it is the 484th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1958, it is older than 81% of the 122 operating Massachusetts plants with a recorded commissioning year. It shares Middlesex County with 7 other operating plants, including BOOTT HYDROPOWER and MASS INST TECH CNTRL UTILITIES/COGEN PLT.
EIA-860 lists 3 generators at the site with 235 MW of nameplate capacity, mainly natural gas fired combined cycle technology (this page's HIFLD capacity figure is 274 MW). Net generation was 1,583 GWh in 2024 (a 77% capacity factor), up 27% from 2022. Its generators came online between 1958 and 2002.
Grid neighborhood
The closest transmission line found within 10 miles is a 115 kV line owned by NSTAR ELECTRIC COMPANY, about 0.6 miles away. Another 23 operating power plants totaling 1,845 MW sit within 25 miles; the largest is FORE RIVER GENERATING STATION (872 MW, Natural Gas). Within 50 miles are 5 mapped data centers; the nearest is Lumen Boston in Cambridge, about 0.5 miles away.
Computed by Bywatts from HIFLD power plant and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
KENDALL SQUARE STATION is a 274 MW natural gas power plant in Middlesex County, MA, operated by NRG KENDALL LLC, commissioned in 1958. Middlesex County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.2 of 5 at the 6th national percentile. Ice storm is the leading peril, rated Very High by FEMA at the 76th 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.
Middlesex County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Ice storm | Very High | 76th | 4.0 of 5 | 2.7 |
| Hurricane | Relatively High | 76th | 4.0 of 5 | 0.16 |
| Earthquake | Relatively Moderate | 71st | 3.8 of 5 | <0.01 |
| Coastal flooding | Relatively Low | 34th | 2.4 of 5 | 6.2 |
| Wildfire | Relatively Low | 34th | 2.4 of 5 | <0.01 |
| Riverine flooding | Relatively High | 27th | 2.1 of 5 | 4.3 |
| Lightning | Relatively High | 22nd | 1.9 of 5 | 21.6 |
| Tornado | Relatively Moderate | 22nd | 1.9 of 5 | 0.18 |
| Strong wind | Relatively High | 8th | 1.3 of 5 | 0.97 |
| Heat wave | Relatively Moderate | 7th | 1.3 of 5 | 5.7 |
| Winter weather | Relatively Moderate | 6th | 1.2 of 5 | 17.2 |
| Hail | Very Low | 4th | 1.2 of 5 | 2.3 |
Model hail, wind and flood exposure for Middlesex 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.