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