Project
Innovative energy storage: 600-degree hot stones are used to store green electric power
![Innovative energy storage](/media/3gdk0bwo/innovative-energy-storage-1.jpg?center=0.62089552238805967,0.49904444331025255&mode=crop&width=2000&height=1200&rnd=132581217751430000 2000w, /media/3gdk0bwo/innovative-energy-storage-1.jpg?center=0.62089552238805967,0.49904444331025255&mode=crop&width=1000&height=600&rnd=132581217751430000 1000w, /media/3gdk0bwo/innovative-energy-storage-1.jpg?center=0.62089552238805967,0.49904444331025255&mode=crop&width=500&height=300&rnd=132581217751430000 500w)
A view of the top of the energy storage model at DTU Risoe. The majority of the ball-shaped steel capsule, which is filled with hot stones, is cast in the foundation. Photo: SEAS NVE