DARTMOUTH POWER ASSOCIATES LP
OperatingNatural Gas power plant
- Capacity
- 102 MW
- Primary fuel
- Natural Gas
- County
- Bristol County
- Operator
- MORRIS ENERGY OPERATIONS COMPANY, LLC
- Status
- Operating
- Commissioned
- 1992
- EIA plant ID
- 52026
- Generators
- 3
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 63 GWh
- Capacity factor (2024, EIA nameplate)
- 7.4%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 41.6730, -70.9989
DARTMOUTH POWER ASSOCIATES LP, a 102 MW Natural Gas power plant in Bristol County, Massachusetts. One of 160 power plants tracked in Massachusetts on Bywatts.
How DARTMOUTH POWER ASSOCIATES LP compares
With 102 MW of capacity, DARTMOUTH POWER ASSOCIATES LP ranks 20th among the 125 operating power plants Bywatts maps in Massachusetts and 15th of the 22 operating Natural Gas plants in the state. It accounts for about 1.9% of Massachusetts's operating Natural Gas capacity and 1.1% of all operating capacity in the state. Nationally it is the 673rd-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1992, it is older than 52% of the 122 operating Massachusetts plants with a recorded commissioning year. It shares Bristol County with 8 other operating plants, including DIGHTON POWER PLANT and CLEARY FLOOD.
EIA-860 lists 3 generators at the site with 97 MW of nameplate capacity, mainly natural gas fired combined cycle technology. Net generation was 63 GWh in 2024 (a 7.4% capacity factor), up 4% from 2022. Its generators came online between 1992 and 2009.
Grid neighborhood
The closest transmission line found within 10 miles is a 115 kV line owned by NSTAR ELECTRIC COMPANY, about 0.5 miles away. Another 14 operating power plants totaling 1,264 MW sit within 25 miles; the largest is MANCHESTER STREET (515 MW, Natural Gas). Within 50 miles are 3 mapped data centers; the nearest is Markley Group One Summer Street Boston in Boston, about 47.2 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
DARTMOUTH POWER ASSOCIATES LP is a 102 MW natural gas power plant in Bristol County, MA, operated by MORRIS ENERGY OPERATIONS COMPANY, LLC, commissioned in 1992. Bristol County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.3 of 5 at the 6th national percentile. Hurricane is the leading peril, rated Relatively Moderate by FEMA at the 78th 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.
Bristol County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively Moderate | 78th | 4.1 of 5 | 0.19 |
| Earthquake | Relatively Low | 58th | 3.3 of 5 | <0.01 |
| Coastal flooding | Relatively Moderate | 52nd | 3.1 of 5 | 3.7 |
| Ice storm | Relatively High | 41st | 2.6 of 5 | 0.60 |
| Strong wind | Relatively High | 23rd | 1.9 of 5 | 0.74 |
| Riverine flooding | Relatively High | 22nd | 1.9 of 5 | 3.3 |
| Tornado | Relatively Low | 15th | 1.6 of 5 | 0.11 |
| Winter weather | Relatively Low | 14th | 1.6 of 5 | 11.1 |
| Wildfire | Very Low | 14th | 1.6 of 5 | <0.01 |
| Lightning | Relatively Moderate | 8th | 1.3 of 5 | 20.0 |
| Heat wave | Relatively Moderate | 7th | 1.3 of 5 | 5.1 |
| Hail | Very Low | 2nd | 1.1 of 5 | 1.3 |
Model hail, wind and flood exposure for Bristol 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.