To determine the states producing the most renewable energy, 24/7 Wall St. reviewed data on electricity generation by source in 2019 from the Energy Information Administration. States were ranked based on the electricity generated from renewable sources — which include conventional hydroelectricity, wind, wood and wood-derived fuels, other biomass, geothermal, and solar thermal and photovoltaic — as a percentage of electricity generated from all sources. Data on electricity from non-renewable sources and historical electricity data also came from the EIA. Data on the average sale price of electricity came from the EIA and is for 2019.
Data on population size used to calculate electricity generation per capita came from the U.S. Census Bureau’s Population and Housing Unit Estimates program and is for 2020. Supplemental data on educational attainment and median household income came from the Census Bureau’s American Community Survey and are for 2019.