In 2024, the number of large-scale solar district heating plants in operation worldwide reached ***, up from ***Â plants a year earlier. Denmark, China, and Germany are the countries with the highest number of district heating solar energy plants.Ìý
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International Energy Agency Solar Heating and Cooling Technology Collaboration Programme. (June 24, 2025). Number of large-scale solar district heating plants in operation worldwide from 2020 to 2024 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 22, 2026, from /statistics/1537264/global-number-solar-district-heating-systems/
International Energy Agency Solar Heating and Cooling Technology Collaboration Programme. "Number of large-scale solar district heating plants in operation worldwide from 2020 to 2024." Chart. June 24, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 22, 2026. /statistics/1537264/global-number-solar-district-heating-systems/
International Energy Agency Solar Heating and Cooling Technology Collaboration Programme. (2025). Number of large-scale solar district heating plants in operation worldwide from 2020 to 2024. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 22, 2026. /statistics/1537264/global-number-solar-district-heating-systems/
International Energy Agency Solar Heating and Cooling Technology Collaboration Programme. "Number of Large-scale Solar District Heating Plants in Operation Worldwide from 2020 to 2024." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 24 Jun 2025, /statistics/1537264/global-number-solar-district-heating-systems/
International Energy Agency Solar Heating and Cooling Technology Collaboration Programme, Number of large-scale solar district heating plants in operation worldwide from 2020 to 2024 ÌÇÐÄÆÆ½â°æ, /statistics/1537264/global-number-solar-district-heating-systems/ (last visited July 22, 2026)
Number of large-scale solar district heating plants in operation worldwide from 2020 to 2024 [Graph], International Energy Agency Solar Heating and Cooling Technology Collaboration Programme, June 24, 2025. [Online]. Available: /statistics/1537264/global-number-solar-district-heating-systems/