> Unfortunately geothermal does not cover this need. Artificial geothermal could though. https://www.orcasciences.com/articles/standard-thermal https://www.o

> Unfortunately geothermal does not cover this need. Artificial geothermal could though. https://www.orcasciences.com/articles/standard-thermal https://www.orcasciences.com/articles/standard-thermal The size is orders of magnitude smaller than the depth of natural geothermal wells, and the temperature much higher. Even so, they are aiming for heat loss of < 1%/month, entirely adequate for seasonal energy storage.