The planned energy scenario shows the figures that would be reached based on the governments' energy plans. While the 1.5°C scenario shows the figures that would be necessary to reach the goals necessary to limit the temperature increase to 1.5°C by the end of the century.
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Heat pumps installed worldwide in buildings 2020, with 2030 and 2050 forecasts
By 2050, *** million heat pumps would need to be installed worldwide to reach a ***°C scenario. However, the number of heat pumps that is estimated to be installed if current governments' plans were to be followed is much lower. Geothermal heat pumps were the type of space heating with the least CO2 emissions in the Upper Midwest of the United States.
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IRENA. (June 30, 2023). Number of heat pumps installed in the buildings sector worldwide in 2020, with forecasts for 2030 and 2050, by scenario (in millions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/1499768/heat-pumps-installed-worldwide-in-buildings-forecast/
IRENA. "Number of heat pumps installed in the buildings sector worldwide in 2020, with forecasts for 2030 and 2050, by scenario (in millions)." Chart. June 30, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/1499768/heat-pumps-installed-worldwide-in-buildings-forecast/
IRENA. (2023). Number of heat pumps installed in the buildings sector worldwide in 2020, with forecasts for 2030 and 2050, by scenario (in millions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/1499768/heat-pumps-installed-worldwide-in-buildings-forecast/
IRENA. "Number of Heat Pumps Installed in The Buildings Sector Worldwide in 2020, with Forecasts for 2030 and 2050, by Scenario (in Millions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Jun 2023, /statistics/1499768/heat-pumps-installed-worldwide-in-buildings-forecast/
IRENA, Number of heat pumps installed in the buildings sector worldwide in 2020, with forecasts for 2030 and 2050, by scenario (in millions) ÌÇÐÄÆƽâ°æ, /statistics/1499768/heat-pumps-installed-worldwide-in-buildings-forecast/ (last visited July 28, 2026)
Number of heat pumps installed in the buildings sector worldwide in 2020, with forecasts for 2030 and 2050, by scenario (in millions) [Graph], IRENA, June 30, 2023. [Online]. Available: /statistics/1499768/heat-pumps-installed-worldwide-in-buildings-forecast/
