Data Breach Notifications

Entity Information

  • Type of Organization: Other Government Entity
  • Entity Name: Massachusetts Municipal Wholesale Electric Company
  • Street Address: 327 Moody Street
  • City: Ludlow
  • State, or Country if outside the US: MA
  • Zip Code: 01056

Submitted By

  • Name: Carol Martucci
  • Title: Director, Financial Reporting and Corporate Technology
  • Firm name (if different than entity):
  • Telephone Number: (413) 308-1375
  • Email Address: cmartucci@mmmwec.org
  • Relationship to entity whose information was compromised: Employee

Breach Information

  • Total number of persons affected (including residents): 1
  • Total number of Maine residents affected: --
  • If the number of Maine residents exceeds 1,000, have the consumer reporting agencies been notified:
  • Date(s) Breach Occured: January 25, 2025
  • Date Breach Discovered: June 10, 2025
  • Description of the Breach:
    • External system breach (hacking)
  • Information Acquired - Name or other personal identifier in combination with:

Notification and Protection Services

  • Type of Notification: Written
  • Date(s) of consumer notification: July 21, 2025
  • Copy of notice to affected Maine residents: MMWEC_-_Notice_of_Data_Event_-_ME_.pdf
  • Date of any previous (within 12 months) breach notifications:
  • Were identity theft protection services offered: Yes
  • If yes, please provide the duration, the provider of the service and a brief description of the service: Experian, 24 months, credit monitoring services