SDG&E Peak Hours: 4-9 PM Costs $0.70/kWh. A Battery Cuts It (Without Losing NEM 2).
SDG&E peak hours hit $0.70/kWh from 4-9 PM. A home battery cuts it to $0.39 and keeps NEM 2 grandfathering intact. Real 2026 rates, the actual rules on adding a battery to a grandfathered system, and what a Tesla Powerwall 3 costs installed.
Ian Crilly
May 2026


