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Data tool
28 May 2026
Investment Data Explorer
Explore energy investment data from World Energy Investment 2026
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Data set
World Energy Investment 2026 Datafile
The World Energy Investment 2026 datafile includes world and regional investment data for supply (fossil fuels, renewables, electricity networks, other) and end-use (energy efficiency, renewables and other).
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Data tool
29 May 2026
Energy Technology RD&D Budgets Data Explorer
Detailed breakdown of public budgets on energy RD&D submitted to the IEA by its member and association countries
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Download
Data set
World Energy Investment 2021 Datafile
World and regional investment data for supply and end-use The World Energy Investment 2021 datafile includes world and regional investment data for supply (fossil fuels, renewables, electricity networks, other) and end-use (energy efficiency, renewables and other). A full set of figures from the report is also available for download below.
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Data set
World Energy Investment 2023 Datafile
The World Energy Investment 2023 datafile includes world and regional investment data for supply (fossil fuels, renewables, electricity networks, other) and end-use (energy efficiency, renewables and other).
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Data set
World Energy Investment 2022 Datafile
World and regional investment data for supply and end-use The World Energy Investment 2022 datafile includes world and regional investment data for supply (fossil fuels, renewables, electricity networks, other) and end-use (energy efficiency, renewables and other). A full set of figures from the report is also available for download below.
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Download
Data set
World Energy Investment 2024 Datafile
The World Energy Investment 2024 datafile includes world and regional investment data for supply (fossil fuels, renewables, electricity networks, other) and end-use (energy efficiency, renewables and other).
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Download
Data set
World Energy Investment 2025 Datafile
The World Energy Investment 2025 datafile includes world and regional investment data for supply (fossil fuels, renewables, electricity networks, other) and end-use (energy efficiency, renewables and other).
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Chart
26 Mar 2026
Global investment in selected clean energy technology manufacturing by country/region, 2020-2025
Investment
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Chart
26 Mar 2026
Global annual average investment in selected clean energy technology manufacturing by country/region, and by scenario, 2024 and 2026-2035
clean energy technologies