Permit applications are on the rise for residential energy storage systems in jurisdictions across the country. In some cases, building departments are seeing these systems for the first time. The permitting and inspection of an energy storage system extends beyond just the National Electrical Code® (NEC). The permit application should be reviewed by the wiring...

With the prevalence of energy storage systems (ESS), particularly battery energy storage systems (BESS), this question is asked by authorities having jurisdiction (AHJ) across the country. For one-two family dwelling units, BESS are permitted for installation in detached garages/accessory structures, attached garages separated from the dwelling in accordance with International Residential Code® IRC® R302.6 (occupancy...