Duncan, Weinberg, Genzer & Pembroke, P.C.
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Duncan, Weinberg, Genzer & Pembroke, P.C.
Jeff Genzer
1667 K Street, N.W.
Suite 700
Washington, DC  20006
United States
Phone: 202-467-6370
Fax: 202-467-6379
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Highlight Description:

For nearly fifty years, Duncan, Weinberg, Genzer & Pembroke, P.C., has set itself “apart from the pack” as a law firm with a significant focus on the legal challenges faced by public power utilities.  The Firm was founded as a boutique and continues to provide legal counsel, specially focused on the electric industry, proudly representing public power utilities in every region of the country.  The Firm’s core principles are fully in line with those of public power:  Duncan Weinberg attorneys hold themselves accountable to, and serve the priorities of, their customer clients. 

The Firm's practice areas fully correspond with the needs of municipal utilities and encompass energy and utility law, oil and gas law, environmental law, communications law, municipal law, and intellectual property law. Duncan Weinberg attorneys routinely advise and counsel public power utilities on regulatory, transactional, compliance, legislative, and litigated matters. Duncan Weinberg attorneys pride themselves on being thought leaders and have attained prominent and highly regarded positions among their peers by developing innovative approaches and achieving precedent-setting results for clients.

Duncan Weinberg’s roots are, and principal office remains, in Washington, D.C., where the Firm is steeped in the federal legal landscape, including in administrative regulation at federal agencies, federal litigation in U.S. courts, advocacy with national non-profit associations, and legislative matters on Capitol Hill.  The Firm also maintains an office in Sacramento, California where the Firm has a long history of advocacy on behalf of its West Coast clients.  Additionally, Duncan Weinberg supports its clients across the country with attorneys co-located or routinely working in Arizona, Illinois and Massachusetts. 

Firm attorneys advocate on behalf of clients in federal and state courts, in trial and appellate proceedings, as well as before federal and state regulatory commissions.  Duncan Weinberg attorneys are skilled negotiators in energy, transmission, and project development transactions.  The Firm counsels clients on an array of matters, from regulatory compliance and enforcement, to starting and administering non-profit organizations, and general counsel representation. Duncan Weinberg provides personalized service and excellence in representation and endeavors to be a valued resource offering innovative solutions to business, regulatory, litigation, compliance and legislative challenges.

Extended Description:

Duncan Weinberg’s extensive experience and long-standing relationships with public power utilities enables Firm attorneys to serve clients efficiently and effectively.  Duncan Weinberg attorneys draw on extensive experience to identify and develop innovative solutions to client needs.  The Firm’s representation of and relationships with national, statewide and regional energy associations and organizations places the Firm’s attorneys in contact with many of the energy industry’s top leaders, policymakers and managers, which enables attorneys to advise clients on the latest industry developments and how those developments may impact a client’s legal obligations.

Practice areas:

  • Energy and utility regulation
  • Government relations/legislation
  • Communications
  • Environmental
  • Electric/NERC reliability compliance and enforcement
  • Cybersecurity and customer privacy
  • Non-profits
  • Hydroelectric licensing
  • Intellectual property
  • Energy project development
  • Government contracts
  • Municipal/public law
  • Industry-relevant pandemic crisis funding and assistance


  • Municipal electric utilities, tribal electric utilities, rural electric cooperatives, irrigation districts, and joint action agencies
  • Regional, statewide and national energy associations and organizations
  • Natural gas local distribution companies, interstate and intrastate pipelines, shippers, producers, processors, marketers and gatherers
  • Municipalities and states
  • Community choice aggregators
  • Energy service companies
  • Communications-service users, providers, licensees, and regulators
  • Large energy users
  • Non-profit organizations
  • Electric power and natural gas marketers

Duncan Weinberg works to develop an understanding of the unique needs of each client in order to provide the best possible advice, and structure creative solutions that achieve each client’s individual objectives.  Firm attorneys have developed and maintain a breadth of technical experience in sophisticated industries, which facilitates cost-effective counseling and representation in industries persistently undergoing market-driven, regulatory and technological evolution.  

For more information regarding our practice areas, attorneys, as well as announcements and blogs regarding areas of interest to our clients, please visit our website at:

Products/Services: Law Firms/Legal/Government Relations Services
NERC Compliance
Nonprofit Organizations
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