Mark C. Kalpin

  • T 617.305.2076

Mark Kalpin is an energy, environmental and natural resource attorney in Holland & Knight's Boston and Washington, D.C., offices. He advises clients on the financing, development and operation of energy, infrastructure and natural resource development projects throughout the United States.

Mr. Kalpin is well-versed in the development and operation of offshore and onshore wind projects, solar generation projects, electric generation facilities, electric transmission facilities, liquefied natural gas (LNG) terminals, natural gas pipelines and subsea telecommunication cables. He has represented companies before the Federal Energy Regulatory Commission (FERC), U.S. Bureau of Ocean Energy Management (BOEM), U.S. Environmental Protection Agency (EPA), U.S. Army Corps of Engineers and the U.S. Department of Energy (DOE), as well as state public utility commissions, state environmental agencies, and electric regional transmission organizations (RTOs) and independent system operators (ISOs).

Mr. Kalpin has negotiated purchase agreements, engineering, procurement and construction (EPC) agreements, fuel supply agreements, and power purchase agreements for a wide variety of traditional and renewable energy generation projects. He also has assisted a number of renewable energy project proponents in obtaining and negotiating the terms of grants, loans and loan guarantees from the DOE.

Mr. Kalpin provides counsel on all aspects of energy, environmental and natural resource law. He has successfully represented clients in federal and state environmental enforcement actions, administrative appeals and permitting proceedings arising under the Clean Air Act, Clean Water Act, Endangered Species Act, National Environmental Policy Act, National Historic Preservation Act, Outer Continental Shelf Lands Act, Federal Power Act, Natural Gas Act and Jones Act.

In the 2014 U.S. News – Best Lawyers "Best Law Firms" rankings, clients recognized Mr. Kalpin for his "thorough work … on very complex environmental matters."

Mr. Kalpin served as a senior project manager with FERC's Office of Pipeline and Producer Regulation from 1986 to 1993.

Honors & Awards

  • The Legal 500 USA, Energy­­­ – Regulatory, 2016
  • Boston Magazine, New England Super Lawyer in Environmental/Land Use and Energy/Natural Resource Laws, 2004-2017
  • Massachusetts Super Lawyers magazine, 2004-2010, 2012-2018


  • Massachusetts Energy Facilities Siting Board, 2015 to present
  • The New England Council, Board of Directors, 2015 to present; Energy and Environment Committee, Chairman, 2000 to present
  • Energy Bar Association, Member, 2000 to present
  • Charitable Foundation of the Energy Bar Association, Director, 2014 to present; President, 2017/2018
  • Northeast Energy and Commerce Association (NECA), President Emeritus
  • American Bar Association, Energy Infrastructure, Siting, and Reliability Committee, Former Chairman