Contact

Contact the Supplier

For Changes to Your Participation
Please use our Enroll or Change Product form or Opt-Out form or call our electricity supplier, Dynegy, at (866) 220-5696, or by email at DESCustCare@Dynegy.com.

For Inquiries Regarding Tax Exemption
Tax-exempt business customers participating in the program must provide a copy of their tax-exemption certificate to the program’s supplier, Dynegy, to maintain tax-exempt status. You can submit your certificate in any of the following ways:

  • Fill out the form below and select the Tax Exemption topic to upload your certificate
  • Email your certificate to TaxExemptionsDYN@Dynegy.com.
  • Mail your certificate to:
    • Dynegy (Tax Department)
      PO Box 650764
      Dallas, TX 75265-0764

Contact the Program

For Questions, Comments, or Troubleshooting
Please submit the contact form below, email us at support_ma@goodenergy.com or call (844) 864-3828 to reach Good Energy, the town of Sudbury’s consultant that manages the Program. 

To opt out please visit the opt-out page here or contact the supplier Dynegy, at DESCustCare@Dynegy.com, or call
(866) 220-5696.

Sudbury CEA is overseen by the Town Manager’s Office.