Three projects selected to explore viability of potential 'hot rocks' sites
Research project predicts geothermal power could provide coal state with all the energy it needs
UK's first deep geothermal plant gets the green light, but project will still require additional funding round
Canadian geothermal firm angers politicians and pop stars with plan to acquire Icelandic energy supplier
Geothermal, offshore wind and Carbon Trust among the big losers as axe falls, but sources insist Wave Hub project is safe
Company inks definitive agreement to acquire Sierra Geothermal Power, sets sights on creating Nevadan renewable energy cluster
Department of Energy announces more than $600m in funding for three flagship carbon capture projects
US geothermal firm continues acquisition push as it seeks to create Nevadan "power cluster"
Cornish firm warns risk-averse investors mean government funding will be required to unlock UK's geothermal potential
Mighty River reckons it could soon generate enough geothermal energy to power half a million homes