CO₂ emissions from top power producers in the U.S. 2020, by fuel source
The most polluting power producer in the United States in 2020 was Vistra Energy, having emitted 105 million tons of carbon dioxide (MtCO₂). Coal-fired plants accounted for roughly 60 percent of Vistra Energy's CO₂ emissions that year, while natural gas accounted for 41 percent. Coal is the most polluting of fossil fuel, typically producing twice the carbon emissions of natural gas.
