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MonitoringMaineFiled May 21, 2026

Understanding your Eversource Energy data breach notification letter

If a Eversource Energy letter arrived in your mailbox, here is what it means, why you received it, and the free steps you can take right now.

Why you received this letter

Eversource Energy filed a data breach notification with the Maine Attorney General on May 21, 2026, disclosing an incident where various categories of personal information were exposed. The breach involved sensitive details belonging to customers and employees, prompting a recommendation for individuals to take protective measures.

Information the filing reports as involved

  • Full Name
  • Social Security Number
  • Date of Birth
  • Utility Account Number
  • Financial Account and Routing Details
  • Billing Address
  • Phone Number
  • Employment and Wage Records

What to do after the letter

  1. Confirm the notice is genuine

    A legitimate Eversource Energy notice references the specific incident reported to the Maine Attorney General and describes which categories of your information were involved. Compare the letter against the public filing before acting on any links or phone numbers it contains.

  2. Keep the letter — it is your proof of connection

    The notification letter is the document that ties your personal information to this incident. Keep the original and photograph it. If you later request a case review, this letter is the strongest evidence that you were among the affected individuals.

  3. Protect your accounts and credit

    Depending on what was exposed, consider a free credit freeze with all three bureaus, new passwords for reused credentials, and monitoring of financial statements. These steps are free and do not require you to wait for anyone's permission.

  4. Check the record against the public filing

    You can verify the Eversource Energy incident against the filing reported to the Maine Attorney General. This registry summarizes what was filed; it does not provide legal advice.

This page summarizes a data breach reported to the Maine Attorney General for informational purposes. DataBreachInformation.com is a neutral reference registry and does not provide legal advice.

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