After nearly two decades of development, the UK has switched on its first-ever deep geothermal plant. (BBC)
Geothermal Engineering Ltd’s (GEL) United Downs plant in Cornwall circulates water through natural fractures in 392°F granite, creating a weather-independent stream of green electricity for up to 10K homes.
Plus: The super-heated underground fluid will provide the UK's first domestic commercial supply of lithium—a highly sought-after mineral for EV batteries.