As of 2008, geothermal power development was under way in more than 40 countries, partially attributable to the development of new technologies, such as Enhanced Geothermal Systems.
截至2008年，地热发电开发在超过40个国家和地区正在进行，部分原因是新技术的发展，例如增强型地热系统（英语：Enhanced geothermal systems）(EGS)。