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Connecticut   Connecticut Profile

State Profile and Energy Estimates

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Profile Overview

Quick Facts

  • One of the three storage sites that make up the Northeast Home Heating Oil Reserve, which was created to offset disruptions in heating fuel supplies, is located in Groton, Connecticut, and it holds 300,000 barrels of heating oil.
  • About 44% of Connecticut households use fuel oil or other petroleum products for home heating and 36% rely on natural gas.
  • In 2019, 42% of Connecticut’s electricity net generation came from the Millstone nuclear power station. The state had the fifth-highest share of electricity provided by nuclear power in the nation.
  • As of May 2020, 80% of the 688 megawatts of solar photovoltaic electric generating capacity installed in Connecticut was at small-scale (less than 1 megawatt), customer-sited facilities.
  • Connecticut has one of the least energy-intensive economies and uses less energy to produce each dollar of gross domestic product (GDP) than all other states except California, Massachusetts and New York.

Last Updated: August 20, 2020

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