Watch the full story below:Emergency power authorized for heat wave coming to Montana, WyomingThe Southwest Power Pool manages the grid across much of the central U.S., including parts of Montana served by cooperatives like Yellowstone Valley Electric Cooperative. The emergency order represents the final step before a potential Level 3 Energy Emergency Alert, which could trigger rolling blackouts to prevent a larger grid failure. Wittman said not all power outages carry the same risk. Wittman said the emergency order should help reduce the chances of a blackout. He added that even if rolling outages were needed, not every customer would lose power.