By contrast, many Scottish homes keep leaking heat by accident - and many Scottish schools, offices and indeed our parliament keep pumping heat out by design.

BBC: The ?1,000-a-year heating bill is here.

Placing the reactors underground would make them less vulnerable to the shaking from earthquakes, and the surrounding earth would absorb much of the heat released if an accident occurred, Genoa said.

CNN: U.S. backs project for small nuclear reactors