IEA (2020), Installed capacity in the European Union, 2000-2010, and projections up to 2040 in the Sustainable Development Scenario, IEA, Paris https://www.iea.org/data-and-statistics/charts/installed-capacity-in-the-european-union-2000-2010-and-projections-up-to-2040-in-the-sustainable-development-scenario, Licence: CC BY 4.0