The Massachusetts Municipal Wholesale Electric Company Data Breach: Reported Filing Facts
Massachusetts Municipal Wholesale Electric Company is a public power joint action agency that provides wholesale electric power and energy-related services to municipal utilities. As a utility-sector entity, the organization typically maintains sensitive personal information for its employees, contractors, and potentially retail customers, including government-issued identification, financial records, and payroll data. This security incident was officially reported to the New Hampshire Attorney General in 2025 following the discovery of unauthorized access to their digital environment. If you have received a formal data breach notification letter, it indicates that your personal information was stored within the impacted systems. We encourage you to review the provided documentation carefully to understand the scope of the exposure and the identity protection services being offered by the company.
- State
- New Hampshire
- Reported
- July 21, 2025
What to do if you were affected
These general steps can help limit the risk of identity theft and fraud after any data breach.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
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