In 2023, the capacity of geothermal electricity worldwide stood at roughly 15 gigawatts. By 2030, it is forecast that the global geothermal capacity will reach some 20.8 gigawatts, increasing by almost 40 percent from 2023.
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IEA. (October 9, 2024). Capacity of geothermal electricity worldwide in 2023, with a forecast until 2030 (in petajoules) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/1557734/geothermal-electricity-capacity-forecast-worldwide/
IEA. "Capacity of geothermal electricity worldwide in 2023, with a forecast until 2030 (in petajoules)." Chart. October 9, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/1557734/geothermal-electricity-capacity-forecast-worldwide/
IEA. (2024). Capacity of geothermal electricity worldwide in 2023, with a forecast until 2030 (in petajoules). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/1557734/geothermal-electricity-capacity-forecast-worldwide/
IEA. "Capacity of Geothermal Electricity Worldwide in 2023, with a Forecast until 2030 (in Petajoules)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Oct 2024, /statistics/1557734/geothermal-electricity-capacity-forecast-worldwide/
IEA, Capacity of geothermal electricity worldwide in 2023, with a forecast until 2030 (in petajoules) ÌÇÐÄÆƽâ°æ, /statistics/1557734/geothermal-electricity-capacity-forecast-worldwide/ (last visited July 23, 2026)
Capacity of geothermal electricity worldwide in 2023, with a forecast until 2030 (in petajoules) [Graph], IEA, October 9, 2024. [Online]. Available: /statistics/1557734/geothermal-electricity-capacity-forecast-worldwide/
