In general, geothermal power involves pumping liquid — often salty water, sometimes with small amounts of petroleum products — from the subsurface from and back into the geological formation it came ...

Practically all geothermal power is generated from ... USGS scientists used underground temperature maps, ... a risky approach that may increase the likelihood of triggering earthquakes.

Another geothermal start-up, Eavor, is now drilling wells for its first commercial plant in Germany to provide heat and power for the country, which is trying to sharply reduce its reliance on gas.

According to the AER, geothermal energy is expected to produce 294.6 GWh by 2030, enough to power 49,100 average Alberta homes (600 kilowatt hours) for a month.