top of page
Energy & Regulatory Law; Public Utilities

Danielle (Rathbun) Winter is a partner at Keegan Werlin LLP specializing in energy and regulatory and public utility law. She represents a number of electric and gas utilities on issues concerning rates, planning, and energy procurement.

Danielle Winter, Portraits by Jessi Concord MA. Boston Law Firm. Boston environmental Law, Downtown Boston MA law firms, law firm boston, lawyers in boston ma, real estate lawyers boston, real estate lawyers massachusetts, downtown boston law firms, Keegan Werlin LLP, energy law massachusetts, energy lawyers in boston, siting and permitting in Boston Massachusetts.

Danielle Winter

Boston Office

Phone: 617-951-1400
Fax: 617-951-1354

● Regulatory Law
● Energy Law
● Public Utilities

Bar Admissions

New York

Ms. Winter’s representation of electric and gas utilities before the Department of Public Utilities includes advocacy on issues relating to distribution rates, energy supply, renewable energy, grid modernization, system reliability, and service quality. Specifically, Ms. Winter has represented electric utilities in proceedings regulating the procurement of long-term renewable power, time varying rates, their continued modernization of the electric grid and the interconnection of distributed generation. She has represented gas utilities in proceedings before the DPU regarding base distribution rates, cyber security and gas procurement and related issues.

Prior to joining Keegan Werlin, Ms. Winter was an Assistant Attorney General in the Massachusetts Attorney General’s Office, Office of Ratepayer Advocacy. She was also an Assistant Counsel at the New York State Department of Public Service.

Image by American Public Power Association

Representative Cases

NSTAR Electric Company and Western Massachusetts Electric Company, D.P.U. 12-76 (2012 - present)

NSTAR Electric Company and Western Massachusetts Electric Company, D.P.U. 14-04 (2014 - present)

NSTAR Gas Company, D.P.U. 14-64 (ongoing)


NSTAR Gas Company, D.P.U. 13-159 (2013)

bottom of page