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EV Charging and Your Bill in Massachusetts

Many new EV charging station in Massachusetts hosts wonder how providing this service will affect their energy bill.

While you will likely find the benefits of EV Charging, such as attracting visitors, increasing dwell time, and reducing carbon emissions, outweigh the impact to your electric bill, it is likely that you will see some increase to your electric bill. 

Exact costs will vary, but this page will give you an idea of what to expect.

An electric bill for a commercial or industrial customer has three main components: 

  • kWh charges that vary based on energy consumption; 
  • A demand charge based on the most energy you use at one time during a particular month; 
  • A fixed monthly customer charge. 

kWh Charges

Most Level II charging ports dispense electricity at a rate of 6 to 8 kWh. To calculate the average cost of electricity per port, per hour, you can multiply your cost per kWh by seven. 

For example, if your cost per kWh comes to around $0.14 per kWh, you can expect to pay about $1.00 an hour per port when your charging station is in use. This does not include the demand charge. 

There may be alternative electric supply rates available to help you reduce your costs.

Demand Charges

Demand charges are based on your "peak" or maximum energy use during the month. This is affected by how many charging ports are used at the same time. 

Your charging station network platform can help you monitor charging, manage demand and set pricing to offset demand charges. For more information, please contact your charging station network provide

Want to learn more?

View our answers to frequently asked questions about our EV charging stations programs. Or you can contact us at