Switch off the main breaker. Do you see the meters stop? If not, it’s an electrical issue where the power through your meter is utilized elsewhere. If it doesn’t stop at all, shut off all breakers, then turn them in one step at a and observe the meter’s speed. As fast as the gauge is turning it, the more power is being utilized. Once you have identified which circuit devices are drawing an excessive amount energy, the next question is why. Most often, a defective element for the water heater or baseboard heater has been running constantly, which can result in an expense. If it is not, you’ll be required to find out what’s running the power, and then either fix it or accept that you need to make use of the power.