Power plant
Water
reused
1
Water is
injected
into the well
3
Hot water up to
195C is extracted
and the water
vapour used to
drive turbines
Insulating
sediment
Naturally hot
granite rock
1.6
miles
2.8
miles
2
Water flows
through permeable
pathways picking
up heat from the
surrounding rocks
Redruth
Water heated to 195C
Power plant
Water
reused
1
Water is injected
into the well
3
Hot water up to
195C is extracted
and the water
vapour used to
drive turbines
Insulating sediment
Naturally hot
granite rock
1.6
miles
2.8
miles
2
Water flows
through permeable
pathways picking
up heat from the
surrounding rocks
Redruth
Water heated to 195C