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What are the biggest sources of energy today?
…on record.
But what are the energy sources to which the world is turning to meet this growing demand? The answer to these questions can be found in our Global Energy Review 2026 https://www.iea.org/reports/global-energy-review-2026, which offers a comprehensive annual assessment of key trends across the energy sector.
The report shows that many types of energy met global demand last year. Oil, natural gas and coal continued to play the biggest roles, accounting for almost 80% of total energy supply. Low-emissions sources – renewables and nuclear – accounted for around 20%.
Global energy demand…
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Total final energy consumption by sector in Georgia, 2000-2023
Total final energy consumption by sector in Georgia, 2000-2023 EU4Energy
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Energy related CO2 emissions by scenario, 2010-2050
Energy related CO2 emissions by scenario, 2010-2050 WEO 2025
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Average annual spending to fully deploy methane abatement measures in the coal sector, by income category, to 2035
Average annual spending to fully deploy methane abatement measures in the coal sector, by income category, to 2035 Global Methane 2026
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Cross-cutting Technology collaboration
Cross-cutting activities relevant to all energy sectors and sources including modelling, and women’s participation in clean energy
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Share of population that can afford grid electricity by region per IEA basic bundle
Investment Electricity
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Akinwumi Adesina
President.
