In 2022, the United States' research and development investments in geothermal energy reached * million euros. This was roughly four times larger than Germany's geothermal R&D investments, which stood at some million euros.
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EurObserv'ER. (February 28, 2025). Public research and development investments in geothermal energy worldwide in 2022, by leading country (in million euros) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 01, 2026, from /statistics/1500357/global-investment-geothermal-energy-research-development-by-country/
EurObserv'ER. "Public research and development investments in geothermal energy worldwide in 2022, by leading country (in million euros)." Chart. February 28, 2025. ÌÇÐÄÆÆ½â°æ. Accessed August 01, 2026. /statistics/1500357/global-investment-geothermal-energy-research-development-by-country/
EurObserv'ER. (2025). Public research and development investments in geothermal energy worldwide in 2022, by leading country (in million euros). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 01, 2026. /statistics/1500357/global-investment-geothermal-energy-research-development-by-country/
EurObserv'ER. "Public Research and Development Investments in Geothermal Energy Worldwide in 2022, by Leading Country (in Million Euros)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 28 Feb 2025, /statistics/1500357/global-investment-geothermal-energy-research-development-by-country/
EurObserv'ER, Public research and development investments in geothermal energy worldwide in 2022, by leading country (in million euros) ÌÇÐÄÆÆ½â°æ, /statistics/1500357/global-investment-geothermal-energy-research-development-by-country/ (last visited August 01, 2026)
Public research and development investments in geothermal energy worldwide in 2022, by leading country (in million euros) [Graph], EurObserv'ER, February 28, 2025. [Online]. Available: /statistics/1500357/global-investment-geothermal-energy-research-development-by-country/