Aquifers
Geologically and hydraulically limited aquifer areas can be used for the storage of heat or cold. The heating or cooling circuit can be coupled directly to the ground water with pumping and infiltration wells, or indirectly with thermowells.
technology | aquifers |
typical volume | n/a |
typical heat density | n/a |
temperature range | up to 50°C |
storage timescale | month-season |
development status | pilot plants |
advantages | very large storage volumes possible |
disadvantages | heat loss over time efficiency depends on local soil properties |