residential battery storage

Backup, backup, backup: that’s the buzzword of residential storage installers but not necessarily of homeowners who want to add a battery. Resilience, rather than cost-savings-per-kilowatt-hour, is increasingly pitched by battery companies as one of the main reasons to install residential storage. “There’s a need to de-emphasize cost per kilowatt-hour and focus on cost per hour of backup,” explained Rex Liu, the