At a basic level, the “SSi Energy Solution” system would capture heat waste created through the production of power…

At a basic level, the “SSi Energy Solution” system would capture heat waste created through the production of power and repurpose it to warm homes, water and buildings.

The captured heat would be stored in thermal batteries at a central location and redistributed through a network of underground, insulated pipes.

https://www.cbc.ca/news/canada/north/new-energy-system-graphene-1.4937989