Here is a comparison:
This discussion is confined to tidal effect.
Several of Jupiter's Moons are warmer than you would expect them to be, if you go purely by their size.
(In the Earth's interior heat energy is replenished by radioactive decay. (It's not that the Earth interior is more radio-active than the outer layers, but in the interior the heat is - well, on the inside.))
Those Jupiter moons are too small for that. The rate of radio-active decay heating is too small to keep up. Yet they are warmer than you would expect them to be.
In the case of those Jupiter moons the source of the heat is tidal friction. The tidal effect from Jupiter is so strong that the tidal distortion makes the interior of the Jupiter moon rub against itself.
Will that tidal friction go on for eternity?
Well, when a moon is tidally locked there will not be any friction.
Our own Moon is an example of a Moon that is tidally locked; the orbit of the Moon around the Earth and the rotation of the Moon around its own axis have the same period: one month. So the kind of tidal friction that is happening inside those Jupiter moons is not happening inside our Moon.
The Jupiter moons rotate around their own axis faster than their orbit around Jupiter; so their interior is rubbing.
Harvesting energy from tidal motion
There are a number of places in the world where turbines are placed in the path of tidal current, so that energy is harvested from tidal motion.
Here is the comparison that all the above is leading up to:
Both in the case of tidal friction (Jupiter moons interior rubbing) and in the case of using turbines to harvest energy from tidal motion the underlying source of the energy is the same.