Nantucket PowerChoice Program

Welcome to Nantucket PowerChoice, a local electricity program that gives Nantucket residents and businesses an electricity supply option that provides specific community benefits, such as cost savings, price stability, strong customer protections, increased competition, and support for local solar projects.

Program News: Spring 2020 will bring more renewable electricity, customer benefits, and new prices for Nantucket PowerChoice participants.

Starting in May, the program is poised to increase its investment in locally-produced renewable electricity and also increase the amount of renewable electricity in the community’s electricity supply. The program will additionally transition to a new electricity supply contract with Dynegy with new program pricing that will provide 18-months of electricity price stability and potential cost savings over National Grid’s basic service, though savings cannot be guaranteed. The new prices reflect changes in the electricity market and in regulatory costs since the contract with Direct Energy was signed. View the new prices.

  • Active program participants will be automatically enrolled in the new Dynegy contract with May meter reads. No action is required.
  • If you wish to leave the program before the new prices take effect, you must opt out no later than one week before your May 2020 meter read. Meter read information can be found on your National Grid electricity bill.
  • If you wish to enroll in Nantucket PowerChoice as a new customer with the new Dynegy contract, please enroll online or contact customer support.

Read the full announcement on the Nantucket municipal website

The program is a municipal electricity aggregation, a form of group purchasing in which a municipality competitively procures an electricity supplier on behalf of its residents and businesses.

All new National Grid Basic Service customers in Nantucket will be automatically enrolled in Nantucket PowerChoice unless they choose not to participate, or opt out.

  • If you participate: You will see Dynegy and the program price under “Supply Services” on your National Grid bill beginning the month after you are enrolled. Delivery charges will be unaffected. (If you are not a National Grid Basic Service customer, you will not be automatically enrolled, but you are invited to opt in. To enroll the program, please enroll online or contact customer support.)
  • If you do not participate: You may opt out of the program before being enrolled or any time afterward with no penalty. If you opt out before being enrolled, you will remain on National Grid’s Basic Service price. If you opt out after being enrolled, you will be returned to National Grid’s Basic Service price. Learn how to opt out.

Program Benefits

Potential Cost Savings

The program price has the potential to be below National Grid’s Basic Service price. However, National Grid’s prices change every 6 months for residential and commercial customers and every 3 months for industrial customers. Nantucket PowerChoice will eliminate that seasonal volatility with a fixed program price, but that price may not always be below the National Grid Basic Service price. As a result, savings cannot be guaranteed.


The competitive procurement process ensures a vetted, transparent alternative to National Grid’s Basic Service with no hidden costs.

More Choice

Nantucket PowerChoice offers two alternatives to National Grid’s Basic Service:

  • PowerChoice: This is the default option. All program participants are automatically enrolled in PowerChoice. Like National Grid’s Basic Service, PowerChoice meets the minimum Massachusetts requirements for integrating renewable energy.
  • PowerChoice Green: This option allows you to make your electricity 100% green with a focus on renewable energy produced in New England.

Learn about program options and pricing.

Your relationship with National Grid

Your primary relationship for electricity remains with National Grid.

  • Your bill will continue to come from National Grid.
  • You will continue to send bill payments to National Grid.
  • You will continue to call National Grid if your power goes out.

If you are on a budget plan or are eligible for a low-income delivery rate or fuel assistance, you continue to receive those benefits as a participant in Nantucket PowerChoice.