IEA (2021), Average household energy bills by fuel in advanced economies in the Stated Policies and Net Zero Scenarios, 2016-2050, IEA, Paris https://www.iea.org/data-and-statistics/charts/average-household-energy-bills-by-fuel-in-advanced-economies-in-the-stated-policies-and-net-zero-scenarios-2016-2050, Licence: CC BY 4.0