level 1 charging
Lower Your Home Charging Bill 30% with EVs Explained
Upgrading from a Level 1 (120-V) charger to a Level 2 (240-V) system can reduce your home charging expenses by about 30% and cut charge times from overnight to a few hours. The difference stems from higher amperage, lower energy loss, and smarter scheduling. According to a 2025 ADP report,