Outage basics for homeowners
What to expect during a power outage and how backup planning helps.
Power outages can last from minutes to days. For most homeowners, the first questions are whether food will stay safe and whether a sump pump will keep running.
Happy Energy Hub's Backup Planner uses conservative estimates—not guesses—to match your loads with verified product specifications.
What counts as an essential load?
Refrigerators cycle on and off. Sump pumps run intermittently. Both patterns matter when sizing battery capacity.