Ohme Charging Solutions for the Home Ohme is a simple and dependable home charging solution that protects your automobile, your wallet, and the environment. Ohme's smart technology works with your energy tariff to find the best real-time costs for you, making your EV extremely sustainable. Smart charging with Ohme could save UK drivers up to £750* per year when compared to a normal charger and tariff. Download the Ohme app, plug it in, and Ohme will do the rest. * Based on an annual mileage of 12,000 miles, charging with a standard tariff at 23p/kWh vs time-of-use tariff at 5p/kWh