IEA (2020), Distribution of generation in the European Union, 2000-2020, and projections up to 2040 in the Sustainable Development Scenario, IEA, Paris https://www.iea.org/data-and-statistics/charts/distribution-of-generation-in-the-european-union-2000-2020-and-projections-up-to-2040-in-the-sustainable-development-scenario, Licence: CC BY 4.0