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Quick Facts

  • One of the nation’s two Northeast Home Heating Oil Reserve sites, which are intended to avert disruptions in the supply of home heating oil, is located in Groton, Connecticut.
  • More than one-third of Connecticut households used natural gas for home heating in 2014.
  • Connecticut is second only to Massachusetts in New England in committing demand resources (electricity use that can be turned off during periods of peak demand) to the New England grid. 
  • In 2015, 46% of Connecticut’s net electricity generation came from the 2,079-megawatt Millstone nuclear station.
  • Connecticut's renewable portfolio standard sets a goal of obtaining 23% of the state's electricity from renewable energy resources by 2020, plus another 4% from conservation and energy from industrial heat. In 2014, 3.5% of Connecticut's net electricity generation came from renewable energy. 

Last Updated: June 16, 2016

More Data & Analysis in Connecticut

Connecticut, U.S. Rankings

Total Energy per Capita 46
Total Energy per Capita 31
Total Energy 41
Crude Oil --
Natural Gas --
Coal --
Electricity 36
Natural Gas 10
Electricity 3
Carbon Dioxide Emissions 40

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Today In Energy

Recent trends in energy-related CO2 emissions vary across regions and states
Jun 03, 2014

Lower emissions cap for Regional Greenhouse Gas Initiative takes effect in 2014
Feb 03, 2014

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Connecticut at a Glance

Energy Use
Fact Sheet ›

U.S. Energy Mapping System

U.S. Energy Mapping System


Record of Updates

Notes & Sources

Other Resources

Connecticut Energy Information Center

Connecticut Energy Efficiency Board

Connecticut Department of Energy and Environmental Protection

Energize Connecticut, Home Energy Solutions -- Income Eligible

Connecticut Public Utilities Regulatory Authority


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