Duncan, Weinberg, Genzer & Pembroke represents locally-owned and operated utilities, non-profit organizations, and state agencies that make sustainability integral to their mission and an element of their decision-making process.  Our attorneys support achievement of sustainability objectives through representation on energy, environmental, and economic matters. 

DWGP’s services supporting sustainability objectives include the following:


  • Policy and advocacy on climate change adaptation and mitigation, EV charging, hydrogen technologies
  • Compliance with energy security requirements (NERC/FERC Reliability Standards; resource adequacy)
  • Obtaining federal funding for sustainable practices
  • Implementing retail rate design that accommodates changing customer use and promotes innovative energy proposals
  • Developing, purchasing, and transferring renewable resources (biomass, geothermal, hydropower, ocean energy – tidal/ocean thermal conversion, solar, wind, as well as hybrid and co-located resources)
  • Incorporating reserve and grid resilience planning requirements
  • Implementing microgrids, smart technology, storage technologies, risk-based climate change adaptation, green building practices
  • Developing transmission projects


  • Pursuing environmental justice and supporting underserved communities
  • Contracting for carbon capture technologies and supporting grant opportunities
  • Preparing carbon offsets and futures contracts
  • Obtaining grants for carbon recovery, net zero emissions
  • Applying clean air and clean water standards
  • Documenting and securing energy project environmental attributes
  • Preparing project permitting and licensing; defending enforcement
  • Applying Renewable Portfolio Standards
  • Complying with land use requirements 


  • Monitoring programs that support equality of access to sustainable technologies
  • Obtaining grants, promoting affordability, and supporting economic development
  • Developing industry and infrastructure projects
  • Policy support and grant opportunities for smart technology

50th Anniversary

Happy New Year!

2021 marks a significant milestone for DWGP. This year, we are proud to be celebrating 50 years in business and in service to clients in which we believe, and whose missions we are proud to have taken on as our own. To commemorate our golden anniversary, we are planning a year-long celebration. Some of the highlights:
  • We hope you will join us for our “Building on the Past, Preparing for the Future” quarterly industry seminars, focusing on issues of importance to your business.
  • Take a quick trip down memory lane by viewing a sampling of significant events in history and for DWGP, highlighted in our 50th Anniversary Timeline.
  • Please sign our virtual guest book to share your memories and hopes for the future.
  • Mark your calendars, as we will be raising a glass with a virtual toast on April 1, 2021.
We look forward to celebrating our 50th Anniversary with you!

Natural Gas Pipelines and Supply

Duncan, Weinberg, Genzer & Pembroke provides a range of services to clients in the natural gas sector. As the nation’s gas pipeline and distribution infrastructure continues to evolve, DWGP attorneys are at the vanguard of natural gas proceedings that involve gas infrastructure development and transfer, and natural gas supply matters. Duncan, Weinberg, Genzer & Pembroke’s natural gas practice includes counseling clients on supply contracts and state and federal regulatory issues involving natural gas pipelines, including rate proceedings before the FERC and state utility commissions. DWGP represents utility ratepayer customers as well as wholesale customers. DWGP attorneys regularly appear before FERC on behalf of wholesale customers seeking to control cost increases of interstate pipeline companies from which they take service. The Firm has experience in a number of natural gas pipeline proceedings before FERC on behalf of various local distribution utilities as customers of interstate pipelines as well as state public utility commissions. Our attorneys also have many decades’ experience in assisting on matters involving gas infrastructure development plans, as well as efforts to coordinate gas and electric operations. DWGP attorneys are well-versed in policies among the states on accelerated gas pipeline replacement plans and other utility infrastructure plans, which often include coordinating undergrounding between electric and gas utilities.   DWGP’s natural gas practice encompasses regulatory compliance, enforcement, standards of conduct, utility rates, and transactional matters.

Examples of DWGP’s experience include the following:

  • advising clients regarding matters related to the interstate transportation of natural gas, including FERC’s regulation of pipeline rates and services;
  • advising clients regarding the use of interstate transportation capacity, including asset management arrangements;
  • negotiation of natural gas supply contracts, including derivatives and prepaid arrangements;
  • construction and acquisition of natural gas facilities;
  • representing various clients in FERC rulemaking and generic policy proceedings;
  • regulatory authorizations for new and expanded interstate natural gas pipelines;
  • advising intrastate natural gas pipelines providing interstate service under Section 311 of the Natural Gas Policy Act on compliance matters, including the adoption of Statements of Operating Conditions and reporting obligations;
  • representing clients in audits, self-reports of potential violations, and public and non-public investigations before FERC’s Office of Enforcement; and
  • conducting annual compliance training for natural gas market participants

Community Choice/Community Power Aggregation

Duncan, Weinberg, Genzer & Pembroke represents locally-owned community choice aggregators that provide clean renewable energy to retail customers over incumbent utility transmission and distribution facilities. DWGP has been helping communities and municipalities purchase and develop power generation and distribution facilities since the Firm’s founding. DWGP attorneys have helped communities carve out franchises from incumbent utilities, aggregate load, and organize into local power districts and joint action agencies. Our attorneys have experience with community choice aggregation, including federal and ISO/RTO monitoring, and advice on federal jurisdictional issues. Our attorneys also advise clients on regulations relating to electric retail delivery and in negotiations with electricity suppliers. Our attorneys have extensive experience working with communities to form local energy agencies that can purchase electricity from multiple sources other than the incumbent utility. Our community choice clients leverage the Firm’s experience serving locally-owned power providers, including our experience with renewable energy credit agreements, transmission and interconnection arrangements, and power supply acquisition and project development.

DWGP's services to community choice aggregators include the following:

  • Monitoring federal and state regulatory agencies and ISO/RTOs;
  • Representation in federal and state regulatory proceedings;
  • Transmission and interconnection issues;
  • Preparing Joint Powers Agreement and other documents for formation; and
  • Billing and other pass-through issues with incumbent utilities.

DWGP is a Partner Member of the California Community Choice Association.