DEFINITION: Heat energy generated and stored in the earth. Geothermal energy is accessed by drilling water or steam wells in a process similar to drilling for oil. That steam is then converted into power much the same way as a traditional power stations, using turbines, generators and transformers.
In action: EDF's renewable energy-based renovation of a listed building
Between 2012 and 2015, EDF Energy embarked on an ambitious project to bring a listed 12th Century building into the 21st Century by installing onsite renewable systems to generate low-carbon heat, cooling and electricity.
Sustainability 'imagineered': The Disney-led resort powered by geothermal energy
edie's senior reporter Matt Mace travels to the outskirts of Paris to uncover how Villages Nature Paris tapped into geothermal energy to deliver on a holistic 10-step sustainability framework.
Sustainable Business Covered podcast: Geothermal waterparks and rubbish cafes
Episode 42 of the Sustainable Business Covered podcast sees edie travel to France to explore how geothermal energy is being used to heat a waterpark attraction at a Disney-owned resort, before visiting a café where food can be exchanged for waste plastics.
Welsh coal mine set for geothermal transformation following £9.4m fund
A council in Wales has been awarded £6.5m in European Union (EU) funds to explore how water from an underground mine can be used as a geothermal energy source to heat nearby homes.