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Tennessee   Tennessee Profile

State Profile and Energy Estimates

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Profile Overview

Quick Facts

  • The Tennessee Valley Authority (TVA) is the nation's largest public power corporation by generating capacity. It owns more than 90% of Tennessee's electric generating capacity and about three-fifths of the power plants, including the 10 largest power plants in the state.
  • TVA's Watts Bar 2 generating plant, which began commercial operations in October 2016, is the nation's first new nuclear power reactor to enter service in the 21st century. Tennessee's two nuclear power plants provided 47% of in-state electricity in 2020.
  • Tennessee's one petroleum refinery, located in Memphis, can process about 180,000 barrels of crude oil per calendar day, which is about 1% of U.S. total refining capacity.
  • In 2020, the amount of electricity generated annually in Tennessee by natural gas exceeded coal-fired generation for the first time. Natural gas accounted for 20% of the state's net generation and coal's share was 18%.
  • Tennessee is the third-largest hydroelectric power producer east of the Rocky Mountains, after New York and Alabama. Hydroelectric power contributed 13% of the state’s generation in 2020.

Last Updated: July 15, 2021

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