World Power Plants

Cos Cob is a 115 MW oil-fired power plant located in the United States, operated by Connecticut Jet Power LLC. Commissioned in 1982, it utilizes oil as its primary fuel source for electricity generation. It ranks as the 56th largest oil plant in the United States. With a capacity of 115 MW, it represents 0.3% of the country's total oil capacity of 38,410 MW. The U.S. has 879 oil plants with a combined capacity of 38,410 MW. Compared to the largest oil plant, Manatee at 2,951 MW, Cos Cob is approximately 3.9% the size. Oil plays a diminishing role in the U.S. energy mix, contributing around 3% of total electricity generation. The transition towards renewable sources is ongoing, yet oil remains a backup option in some regions. Cos Cob is located in Connecticut, approximately 50 miles from New York City.

Capacity
115 MW
Commissioning Year
1982

44 years old

Owner
Connecticut Jet Power LLC
Location
41.0289°, -73.5989°

United States of America, North America

Context & rankings
  • 1,979. largest of 10,098 plants in United States of America
  • #9,472 worldwide by installed capacity
  • #429 of 2,478 Oil plants worldwide
  • 0.01% of the installed capacity of United States of America
Age & fleet comparison

44 years in operation

Oil fleet average: 28.7 years

Operator portfolio

Connecticut Jet Power LLC operates 4 plants totalling 180 MW

Regional density

359 plants within 100 km, 41,454 MW combined

Nearest plant: Waterside Power LLC (3.7 km)

Location

Coordinates:: 41.028900, -73.598900
Open in Google Maps
Carbon Footprint650 g CO₂/kWh
Annual CO₂
229.2 Kt
353 GWh/year × 650 g/kWh
Cumulative CO₂
10.08 Mt
Over 44 years of operation
Past Retirement
2012
14 years past expected retirement
Annual emissions equivalent to
49.8K
cars per year
30.6K
homes per year
10.4M
trees to offset

Estimates based on Oil emission factor (650 g CO₂/kWh) and capacity factor (35%). Actual emissions may vary based on operating conditions, efficiency, and fuel quality.

Technical Details

Primary Fuel Type
Oil
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

See Incorrect or Missing Data?

Help us improve our database by reporting any corrections or updates. Your contribution helps keep our global power plant data accurate and up-to-date.