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