IEA (2020), Installed capacity in the United States, 2000-2020, and projections up to 2040 in the Stated Policies Scenario, IEA, Paris https://www.iea.org/data-and-statistics/charts/installed-capacity-in-the-united-states-2000-2020-and-projections-up-to-2040-in-the-stated-policies-scenario, Licence: CC BY 4.0