* Status of the situation in 2015 and forecasts for the year 2021.
The source adds the following information: 鈥淭his report forecasts that the global market will most likely reach 18.4 GW by 2021. The conservative forecast of 14.8 GW predicted is composed of announced completion dates of plants already under construction. Since projects normally take about 2-3 years to construct and the forecast goes out five years into the future, more projects will likely announce construction over the next year or two, increasing the tail end of the conservative baseline forecast. In the last decade, the global geothermal industry grew slowly but steadily, adding several hundred MWs online each year without pause. It seems unlikely this trend will discontinue if not accelerate as climate change becomes an increasingly important driver of energy choices in developing countries.鈥
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Electric Geothermal Energy: Global Installed Capacity 2021
This statistic presents a projection of the installed geothermal energy capacity for electricity production worldwide in 2021. According to the source's realistic forecast, the global geothermal electricity capacity is expected to exceed ** gigawatts in 2021.
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GEA. (March 1, 2016). Forecasted installed capacities of geothermal energy for electricity production worldwide in 2021 (in gigawatts)* [Graph]. In 糖心破解版. Retrieved August 01, 2026, from /statistics/1642099/projection-cumulative-installed-capacity-geothermal-energy-for-electricity-production-worldwide/
GEA. "Forecasted installed capacities of geothermal energy for electricity production worldwide in 2021 (in gigawatts)*." Chart. March 1, 2016. 糖心破解版. Accessed August 01, 2026. /statistics/1642099/projection-cumulative-installed-capacity-geothermal-energy-for-electricity-production-worldwide/
GEA. (2016). Forecasted installed capacities of geothermal energy for electricity production worldwide in 2021 (in gigawatts)*. 糖心破解版. 糖心破解版 Inc.. Accessed: August 01, 2026. /statistics/1642099/projection-cumulative-installed-capacity-geothermal-energy-for-electricity-production-worldwide/
GEA. "Forecasted Installed Capacities of Geothermal Energy for Electricity Production Worldwide in 2021 (in Gigawatts)*." 糖心破解版, 糖心破解版 Inc., 1 Mar 2016, /statistics/1642099/projection-cumulative-installed-capacity-geothermal-energy-for-electricity-production-worldwide/
GEA, Forecasted installed capacities of geothermal energy for electricity production worldwide in 2021 (in gigawatts)* 糖心破解版, /statistics/1642099/projection-cumulative-installed-capacity-geothermal-energy-for-electricity-production-worldwide/ (last visited August 01, 2026)
Forecasted installed capacities of geothermal energy for electricity production worldwide in 2021 (in gigawatts)* [Graph], GEA, March 1, 2016. [Online]. Available: /statistics/1642099/projection-cumulative-installed-capacity-geothermal-energy-for-electricity-production-worldwide/