News Stories
Sponsored by Earth Etch. Regulatory insight and compliance solutions for today’s energy markets.
Electric Utility Files Increased Default Service Rates
NSTAR d/b/a Eversource Energy filed with the Massachusetts Department of Public Utilities basic service electricity mass market rates for its Eastern Massachusetts service territory, to begin August 1, 2025 to January 31, 2026, and applicable large customer rates for August 1, 2025 to October 31, 2025.
“NSTAR Electric Company d/b/a Eversource Energy (“Eversource” or the “Company”) hereby submits the results of its most recent solicitation for Basic Service supply for its Eastern Massachusetts service territory together with proposed Basic Service rates resulting from that solicitation. . . . The Company requests that the Department of Public Utilities (the “Department”) approve the results of this solicitation within five business days, subject to future reconciliation of costs by the Department.”
“The Company respectfully requests that the Department approve the implementation of the proposed Basic Service rates effective for usage commencing on August 1, 2025.”
See proposed rates below:
NSTAR ELECTRIC COMPANY (EMA)

“In terms of pricing, the Company believes that the result for these categories is competitive and reflective of current market conditions. The expected retail rates for Basic Service customers are based on the wholesale bids that were submitted in response to the RFP. A bill impact analysis is attached to this filing letter as Appendix D. Eversource will continue to comply with the Department’s order in D.T.E. 99-60-C, with respect to notifying customers of the change in Basic Service rates. Accordingly, the Company will post the new rates on its website and make them available via a toll-free telephone number.”
Nstar’s Filing (05/16/2025)
(NSTAR Electric Company d/b/a Eversource Energy’s Basic Service supply for its Eastern Massachusetts service territory.)

