← Back to context Comment by kragen 13 hours ago Billions, mostly. 1 comment kragen Reply pfdietz 4 hours ago Not in the rock that geothermal can access. That rock is recharged by heat flow from below on a shorter timescale than that (but much longer than geothermal would extract the heat.)
pfdietz 4 hours ago Not in the rock that geothermal can access. That rock is recharged by heat flow from below on a shorter timescale than that (but much longer than geothermal would extract the heat.)
Not in the rock that geothermal can access. That rock is recharged by heat flow from below on a shorter timescale than that (but much longer than geothermal would extract the heat.)