World Power Plants

Exelon West Medway II LLC200 MW Natural Gas

GasVerified: Jul 2026

Exelon West Medway II LLC, with a capacity of 200 MW, is a notable player in the U.S. energy landscape, ranked #1382 among 10,047 power generation facilities nationwide. This gas-fired facility, which also has the capability to use oil, was commissioned in 2019 and operates under the Exelon Power banner. Its position is particularly significant within the gas sector, where it ranks #737 out of 1,883 gas plants. Located in Massachusetts, Exelon West Medway II is situated amidst a high concentration of gas facilities, including the Mystic Generating Station (2,375.6 MW) and Rhode Island State Energy Center (596 MW), highlighting the region's reliance on gas for electricity generation. Though its 0.01% share of the national capacity of 1,386,385 MW may seem modest, the facility's role in providing reliable and stable power is crucial, especially in balancing the grid during peak demand periods. The energy profile of the United States is heavily skewed toward gas, which represents the dominant fuel type, making facilities like Exelon West Medway II essential in maintaining energy security. As the country grapples with the challenges of transitioning to a more sustainable energy future, the role of gas plants is pivotal as they offer transitional support while renewable energy sources ramp up. Looking ahead, Exelon West Medway II stands at a crossroads, illustrating the crucial balance between meeting current energy demands and moving towards a greener energy paradigm that incorporates more renewable sources.

Capacity
200 MW
Commissioning Year
2019

7 years old

Owner
Exelon Power
Location
42.1372°, -71.4447°

United States of America, North America

Context & rankings
  • 1,433. largest of 10,098 plants in United States of America
  • #7,393 worldwide by installed capacity
  • #2,650 of 5,146 Natural Gas plants worldwide
  • 0.01% of the installed capacity of United States of America
Age & fleet comparison

7 years in operation

Natural Gas fleet average: 26.9 years

Operator portfolio

Exelon Power operates 21 plants totalling 8,153 MW

Regional density

492 plants within 100 km, 22,764 MW combined

Nearest plant: ANP Bellingham Energy Project (3 km)

Location

Coordinates:: 42.137200, -71.444700
Open in Google Maps
Carbon Footprint490 g CO₂/kWh
Annual CO₂
386.3 Kt
788 GWh/year × 490 g/kWh
Cumulative CO₂
2.70 Mt
Over 7 years of operation
Est. Retirement
2049
23 years remaining
Annual emissions equivalent to
84.0K
cars per year
51.5K
homes per year
17.6M
trees to offset

Estimates based on Gas emission factor (490 g CO₂/kWh) and capacity factor (45%). Actual emissions may vary based on operating conditions, efficiency, and fuel quality.

Technical Details

Primary Fuel Type
Gas
Energy Source
Non-Renewable
Country
United States of America
Continent
North America
Data Source
Global Power Plant Database

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
GasCoalNuclearWind
Top Fuels

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