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1 Important Alert(s)


Over the extended Memorial Day weekend, from May 22 through May 27, some of our regular services and bill payment options will be temporarily unavailable due to a system update.  As always, we’ll continue to respond to electric emergencies 24 hours a day. Thank you for your patience and understanding.

Tax Exempt Forms

Customers can find sales tax exemption forms by visiting the Massachusetts Department of Revenue website at: DOR Sales and Use Tax Forms |

Select the Massachusetts DOR form that applies to your individual situation. Fully complete the form making sure to check all appropriate boxes, then sign and date it. Be sure to indicate your National Grid customer account number.

Submit the form via one of these options:

  • Mailing Address:
         National Grid
         c/o Avalara
         512 S. Magnum St., Suite 100
         Durham, NC  27701
  • Self-Service Web Portal: Use our exemption certificate self-service web portal (Avalara Cert Express) to complete and submit sales tax exemption forms.  Be sure to indicate your National Grid customer account number.

Examples of Massachusetts sales tax exemption certificates commonly used for Residential purposes:

Mass DOR Form Number Form Title


Exempt Use Certificate (must state “Residential Usage” on form and indicate the residential service location)

Written Statement

A signed statement of residential usage (please include customer account number and service address)