eli5: If we’re all sitting above the magma and heat in Earth’s mantle, what are the barriers to tapping that heat in each municipality to provide local affordable electricity?

Question

eli5: If we’re all sitting above the magma and heat in Earth’s mantle, what are the barriers to tapping that heat in each municipality to provide local affordable electricity?

In: 43

Answer 1

Something like a 5-10 mile geothermal exchange shaft would be difficult to sustain as they plates floated.