In 2022, the consumption of direct geothermal heat worldwide stood at 1,253 petajoules. By 2030, this figure is forecast to reach some 1,4691 petajoules, increasing by roughly 35 percent.
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IEA. (October 9, 2024). Consumption of direct geothermal heat worldwide in 2022, with a forecast until 2030 (in petajoules) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 21, 2026, from /statistics/1557724/geothermal-heat-consumption-forecast-worldwide/
IEA. "Consumption of direct geothermal heat worldwide in 2022, with a forecast until 2030 (in petajoules)." Chart. October 9, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 21, 2026. /statistics/1557724/geothermal-heat-consumption-forecast-worldwide/
IEA. (2024). Consumption of direct geothermal heat worldwide in 2022, with a forecast until 2030 (in petajoules). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 21, 2026. /statistics/1557724/geothermal-heat-consumption-forecast-worldwide/
IEA. "Consumption of Direct Geothermal Heat Worldwide in 2022, with a Forecast until 2030 (in Petajoules)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Oct 2024, /statistics/1557724/geothermal-heat-consumption-forecast-worldwide/
IEA, Consumption of direct geothermal heat worldwide in 2022, with a forecast until 2030 (in petajoules) ÌÇÐÄÆƽâ°æ, /statistics/1557724/geothermal-heat-consumption-forecast-worldwide/ (last visited July 21, 2026)
Consumption of direct geothermal heat worldwide in 2022, with a forecast until 2030 (in petajoules) [Graph], IEA, October 9, 2024. [Online]. Available: /statistics/1557724/geothermal-heat-consumption-forecast-worldwide/
