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As of July 1, 2022, we are continuing to restore our systems. The monthly data releases, including the Petroleum Supply Monthly, Natural Gas Monthly, and Electric Power Monthly, will be published next week. We will continue to post regular updates regarding the status of other data products.

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Mississippi   Mississippi Profile

State Profile and Energy Estimates

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Profile Overview

Quick Facts

  • The 1,443-megawatt Grand Gulf Nuclear Power Station in Port Gibson, Mississippi, is the largest single-reactor nuclear power plant by generating capacity in the nation. The plant generated about 10% of the state's electricity in 2020.
  • Mississippi's Pascagoula oil refinery is the nation's 10th-largest refinery, with the capacity to process about 356,000 barrels of oil per calendar day into motor gasoline, diesel fuel, and other petroleum products.
  • Mississippi is one of the few states with large underground salt caverns capable of storing natural gas, and the state has about one-fourth of total U.S. underground salt cavern natural gas storage capacity.
  • Natural gas accounted for about 80% of Mississippi's electricity net generation in 2020 and was the primary fuel used at 9 of the state's 10 largest power plants. 
  • Mississippi consumes about three times more energy that it produces, and its energy-intensive economy ranks sixth among the states in the amount of energy used to produce one dollar of GDP.

Last Updated: August 19, 2021

More Data & Analysis in Mississippi