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Data tool
21 May 2026
Energy Technology Classification System
A 360° view of energy technologies About this tool Our interactive explorer enables navigation of the revised 2025 edition of the International Energy Agency’s (IEA) energy technology classification system. The classification system is a structured framework that categorises energy technologies within nine main areas.Updated in co-operation with governments to reflect technological developments since its last revision in 2011, the classification now covers a full range of energy technologies, f...
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Chart
09 Dec 2025
Illustrative levelised cost of heating for hybrid systems in Germany, 2024
Illustrative levelised cost of heating for hybrid systems in Germany, 2024 industrial heat commentary
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Data tool
23 Oct 2025
Greenhouse Gas Emissions from Energy Data Explorer
Understanding the contributions of specific fuels and sectors to GHG emissions associated with combustion of fuels from 1971 to 2022 for over 205 countries and 38 regions
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Data set
Emissions Factors 2025
Annual GHG emission factors for World countries from electricity and heat generation. Annual GHG emission factors for World countries from electricity and heat generation.The Emission Factors database includes the following indicators related to emissions from electricity and heat generation: CO2 emission factors from electricity and heat generation for world countries (in CO2 per kWh, 1990 to 2023).CO2 emission factors from electricity only generation (CHP electricity included) for world countries (in CO2 per kWh,1990 to 2023).Latest year (2024) CO2 emission factors for OECD countries and selected non-OECD countries based on provisional electricity generation data (in CO2 per…
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Data tool
10 Jun 2025
Energy Statistics Data Browser
The most extensive selection of IEA statistics with charts and tables on 16 energy topics for over 170 countries and regions
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Data tool
14 Apr 2025
Weather, Climate and Energy Tracker
Comprehensive weather data for energy modeling & analysis Weather
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Chart
09 Dec 2025
Illustrative levelised cost of heat for electric and natural gas boiler hybrids at different utilisation rates and CO2 prices in Germany, 2024
Illustrative levelised cost of heat for electric and natural gas boiler hybrids at different utilisation rates and CO2 prices in Germany, 2024 industrial heat commentary
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Data tool
12 Dec 2025
Energy End-uses and Efficiency Indicators Data Explorer
Explore energy and emission data by country, end-uses and product, from 2000 onwards in four sectors (residential, services, industry and transport) for IEA member countries and beyond
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Chart
09 Jun 2026
Levelised cost of using heat pumps versus gas boilers for residential space heating by country, 2025
Levelised cost of using heat pumps versus gas boilers for residential space heating by country, 2025 eu crisis commentary