BreachCensus

Eversource Energy

EnergyUnited States of America

Eversource Energy is an energy organisation in Vermont. It appears on the Massachusetts Attorney General breach-notification register and the Vermont Attorney General breach-notification register with 1 confirmed incident; the most recent notice was filed on May 21, 2026.

Headquarters
Berlin, United States
ISIN
US30040W1080
LEI
SJ7XXD41SQU3ZNWUJ746
Wikidata
Q3344199

Data as of September 12, 2026.

Confirmed incident

Filed in VT and MA

The same incident was filed separately with 2 jurisdictions within a few days of each other (VT and MA) — shown here as one incident.

Disclosed
May 21, 2026

Timeline

  1. May 21, 2026
    Reported to regulator Regulator

    MA AG breach notification: 284 Massachusetts residents affected

    source
  2. May 21, 2026
    Reported to regulator Regulator

    VT AG breach notification: 1 Vermont residents affected

    source
What a Vermont notice means

Governed by 9 V.S.A. §2435. Notification to the Attorney General is required.

Note: the count is Vermont residents.

Vermont breach-notification register ↗

What a Massachusetts notice means

Governed by M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗