Data and statistics

Evolution of IEA total public energy RD&D by technology, 1974-2021

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Global investment in clean energy and efficiency and share of total investment, 2015-2020

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Energy investment by sector in select markets, 2019 and 2020

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IEA total public energy RD&D budget by technology, 1974-2019

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Change in estimated investment by sector, 2020 compared to 2019

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Global investment in clean energy and efficiency and share in total investment, 2015-2020

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2018 and 2019 budgets by technology in selected IEA countries and the European Union

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IEA total public energy RD&D by technology, 1974-2018

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Energy RD&D budgets by technology in selected IEA countries and the European Union, 2017-2018

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Venture capital investments in energy technologies by quarter, 2007-2018

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