Except that's it's a convolution of "renewable." Applied to energy, this means the source of the energy is renewable, which is not the case with fossil fuels or

Except that's it's a convolution of "renewable." Applied to energy, this means the source of the energy is renewable, which is not the case with fossil fuels or uranium but is with geo or solar. All storage is reusable. There is nothing to be "renewed" except re-filling and repairing the vessel. Being mechanical, this will also need to be maintained and renewed to keep working.