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Energy, Environmental, & Administrative Law

Michael J. Koehler is a Partner at Keegan Werlin LLP specializing in energy & regulatory, public utility and environmental, municipal and land use law. He represents energy and utility clients before administrative agencies such as the Department of Public Utilities, the Energy Facilities Siting Board and the Cape Cod Commission, as well as various local authorities.

Michaek Koehler. 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.

Michael J. Koehler

Boston Office

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

● Administrative Law
● Energy Law
● Environmental Law

Bar Admissions

U.S. Court of Appeals D.C. Circuit
U.S. District Court District of MA

U.S. Court of Appeals First Circuit

U.S. Supreme Court
New Hampshire

Mr. Koehler's representative matters have involved rate issues, long-term power purchase agreements for renewable energy, net metering and the siting and permitting of an array of different energy infrastructure facilities, including natural gas generating facilities, renewable energy projects, natural gas pipelines, electric transmission lines, substations and ancillary equipment.


Mr. Koehler has also represented project developers in judicial proceedings in state and federal courts regarding challenges to permits and approvals initiated by project opponents.


Before joining the firm in 2008, Mr. Koehler served as a law clerk for the Justices of the Superior Court of Massachusetts. Mr. Koehler is admitted to practice in Massachusetts and is an active member of the Boston Bar Association, where he has served as co-chair of the Energy and Telecommunications committee; a member of the BBA’s Environmental Sustainability Task Force; a member of the Education Committee; and a fellow of the BBA’s Public Interest Leadership Program.

Mr. Koehler received his Juris Doctor from Suffolk University Law School, cum laude, and his Masters in Public Administration from the Sawyer School of Management. At Suffolk, Mr. Koehler served as the Managing Editor of the Suffolk Journal of Trial and Appellate Advocacy. He also received a Rappaport Fellowship in Law and Public Policy that enabled him to work for the City of Boston’s Environmental and Energy Services Cabinet. Prior to law school, Mr. Koehler received his Bachelor of Arts degree in Geography and Environmental Studies from Middlebury College.


In addition to his professional pursuits, Mr. Koehler serves in various capacities as an alumni volunteer for Phillips Academy (Andover) and on the Board of Advisors for Thompson Island Outward Bound Education Center in Boston Harbor.  He also enjoys coaching youth baseball and soccer.

Image by American Public Power Association


Suffolk University Law School, Boston, Massachusetts, J.D./MPA, cum laude, 2007

Middlebury College, B.A. Geography and Environmental Studies, 1999

Awards: Dean's List; Public Service/Leadership Award

2022 Massachusetts Super Lawyers


Massachusetts Super Lawyers: Rising Star, 2015

Memberships & Associations

Boston Bar Association

Northeast Energy and Commerce Association

Environmental Business Council – New England


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