This sounds good for low hanging fruit in cases where industrial waste heat and local population have an auspicious ratio, but probably rare. In metro areas th

This sounds good for low hanging fruit in cases where industrial waste heat and local population have an auspicious ratio, but probably rare. In metro areas the required scale is different... Eg here's a 100x bigger (150 MW electricity + 350 MW) district heating generating CHP plant in Stockholm, serving a fraction of the city: https://dcd.events/conferences/energysmart2018/benefits/visit-stockholm-exergis-kkv8-chp-plant https://dcd.events/conferences/energysmart2018/benefits/visi...