IEA total public energy technology RD&D budget, 1975-2020

Sources

IEA Energy Technology RD&D Budgets database, 2021

Notes

Data refer to total public energy RD&D expenditures, converted from current prices in national currencies. All IEA member countries are included, based on available or estimated data. The 2009 peak is mainly the result of the American Recovery and Reinvestment Act (stimulus) spending. For more information and documentation please see: https://www.iea.org/reports/energy-technology-rdd-budgets-overview.