– Last weekend’s triple-digit temperatures put the local power grid to the test, but with even more extreme heat on the way, Black Hills Energy officials say they are ready for whatever this weekend brings. ADVERTISEMENTBlack Hills Energy relies on a diverse energy portfolio ranging from natural gas, diesel, and coal to renewable resources like wind and solar. These plants typically run on natural gas but can switch to diesel fuel during supply constraints or extreme weather events. Pogany addressed concerns regarding potential power shut-offs, but clarified that elevated electricity usage during hot weather does not lead to rolling blackouts or public safety power shut-offs. Black Hills Energy recommends several simple steps residents can take to help conserve energy and manage their utility bills.