Duncan, Weinberg, Genzer & Pembroke, P.C. (DWGP)

What Duncan, Weinberg, Genzer & Pembroke, P.C. (DWGP) does

Duncan, Weinberg, Genzer & Pembroke, P.C. (DWGP) is a Washington, D.C.-headquartered energy and public utility law firm founded in 1971, operating from three offices (Washington D.C., Sacramento, and Franklin, Tennessee) with approximately 31 employees. The firm's practice is concentrated on federal energy regulatory matters, principally representation before the Federal Energy Regulatory Commission (FERC), covering transmission rate cases, hydropower licensing and compliance, renewable energy project development and finance, transmission planning and cost allocation, natural gas pipeline regulation, NERC reliability standards, NEPA environmental review, and tribal energy development. DWGP does not operate a technology platform; its core deliverable is human-credential-based legal advocacy and counseling, with proprietary depth derived from five decades of accumulated regulatory precedent and institutional relationships across major RTO/ISO markets (PJM, SPP, NYISO, MISO, CAISO, ISO-NE).

Name

Duncan, Weinberg, Genzer & Pembroke, P.C. (DWGP)

Legal name

Duncan, Weinberg, Genzer & Pembroke, P.C.

Website

https://dwgp.com

Company type

Private

Founded year

1971

Operating status

Operating

Headcount range

11–50 employees

Short description

Duncan, Weinberg, Genzer & Pembroke is a 50+ year Washington, D.C.-based energy and public utility law firm representing municipal utilities, electric cooperatives, tribal authorities, and consumer-owned utilities before FERC and state regulators.

Ownership category

akta.pro rank

Product category

Energy and Public Utility Law Services

NAICS

Natural Gas Distribution (221210), Regulation and Administration of Communications, Electric, Gas, and Other Utilities (92613), Administration of Air and Water Resource and Solid Waste Management Programs (92411)

SIC

Gas & Other Services Combined (4932), Natural Gas Transmisison & Distribution (4923)

akta.pro primary industry

FERC/PHMSA/State Commission Rule Compliance (Cross-Regulatory) (EUAJAIAH)

akta.pro secondary industries

Regulatory Planning & Engineering Compliance Support (PHMSA/State) (EUAJAEAK), C&I Energy Risk Management & Contract Administration (Credit, Billing, Settlements) (EUAGACAL), Energy, Utilities & Natural Resources Regulators (BPAIAOAJ), Local Distribution Company (LDC) Natural Gas Distribution Utilities (TLAGADAA), Policy Management, Training & Ethics/Whistleblowing (BPAEAPAI)

Keywords

• Energy law services
• FERC regulatory representation
• Hydropower licensing counsel
• Public utility law
• Renewable energy legal

Headquarters

HQ city

Washington

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Distribution channels1 record

Marketing channels4 records

Core offering

DWGP is a specialized energy and public utility law firm providing comprehensive legal representation before the Federal Energy Regulatory Commission (FERC), federal courts, and state regulatory commissions. The firm's core services cover FERC proceedings, hydropower licensing, transmission rate cases, renewable energy project development, natural gas pipeline regulatory matters, NERC reliability compliance, NEPA environmental review, and tribal energy development funding assistance. It also delivers EUCI-accredited educational seminars on energy regulatory topics.

Product overview

Duncan, Weinberg, Genzer & Pembroke, P.C. (DWGP) is a specialized energy and public utility law firm offering comprehensive legal services across multiple practice areas. The firm's core offerings include FERC regulatory representation, hydropower licensing, renewable energy project development, transmission planning, tribal energy development, natural gas pipeline services, electric reliability compliance, and environmental law. DWGP also provides educational programs through EUCI seminars on electricity markets and utility contracts. The firm serves publicly owned utilities, joint power authorities, municipalities, electric cooperatives, and tribal clients before FERC, federal courts, and state regulatory commissions.

Differentiator

Problem solved

Functional benefit

Products and services

• Energy and Public Utility Law Services Comprehensive legal representation in energy and public utility regulation before the Federal Energy Regulatory Commission (FERC), federal courts, and state regulatory commissions, covering FERC proceedings, mergers, enforcement proceedings, rulemaking participation, and rate cases.
• Hydropower Licensing and Compliance Legal counsel for hydropower project licensing, license amendments, surrender of licenses, and compliance with water quality certification requirements under Section 401 of the Clean Water Act.
• Renewable Energy Development and Project Finance Transactional and regulatory support for renewable energy project development, including solar, wind, and energy storage projects, covering power purchase agreements, engineering procurement and construction agreements, and financing arrangements.
• Transmission Planning and Cost Allocation Legal services related to regional transmission planning, cost allocation reforms, and compliance with FERC Order No. 1920 and related transmission regulations.
• Tribal Energy Development Assistance for tribal governments with energy project financing, grant applications, and navigation of DOE funding programs including the Tribal Energy Loan Guarantee Program.
• Natural Gas Regulatory and Pipeline Services Representation in natural gas certificate proceedings, pipeline transportation rates, and compliance with PHMSA safety regulations for natural gas pipelines.
• Electric Reliability and NERC Compliance Counsel on North American Electric Reliability Corporation (NERC) reliability standards, grid resilience measures, and compliance requirements for electric utilities.
• Environmental Law and NEPA Compliance Legal support for environmental review processes under the National Environmental Policy Act (NEPA), environmental impact statements, and environmental justice considerations in energy infrastructure projects.

Quantifiable outcome

• Negotiated significant customer savings in complex transmission rate cases
• +1 more outcomes

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Nine partnerships are on record, tiered core.

• National Hydropower AssociationcoreStrategic or Co-development Partner · 1 January 2022DWGP is a sponsoring organization for National Hydropower Association's Waterpower Week conference. Attorneys attend and participate in informative sessions discussing hydropower licensing, pumped storage, and marine energy.
• EUCI (Electric Utility Cost Consultants)coreStrategic or Co-development PartnerDWGP leads EUCI seminars including FERC Electricity 101, FERC Compliance and Enforcement, and Working with Electric Utility Contracts for Non-Lawyers, providing educational content to the energy industry.
• Navajo Tribal Utility Authority (NTUA)coreStrategic or Co-development PartnerDWGP worked closely with NTUA and its General Manager Walter Haase on the Light Up Navajo program to bring electric service, running water, and broadband to unserved Native American communities.
• American Public Power Association (APPA)coreStrategic or Co-development PartnerDWGP regularly sponsors APPA conferences and attorneys present at APPA Legal and Regulatory Conferences. DWGP attorneys present on PURPA, distributed energy resources, and electric reliability topics.
• RE+ (formerly Solar Power International)coreStrategic or Co-development PartnerDWGP attorneys attend RE+, the largest clean energy industry event in North America, meeting with clients and discussing renewable energy project development goals.
• TenneSEIAcoreStrategic or Co-development PartnerDWGP attorney Keith Gordon serves as Board Member and General Counsel for TenneSEIA, which promotes solar energy development and complementary technologies in the Tennessee Valley.
• Colorado Association of Municipal Utilities (CAMU)coreStrategic or Co-development PartnerDWGP is a sponsor of CAMU Annual Conference and attorney Michael Postar attended the 2024 conference in Breckenridge, Colorado.
• Northern California Power Agency (NCPA)coreStrategic or Co-development PartnerDWGP sponsors NCPA Annual Conference and attorneys Lisa Gast, Michael Postar, and Sean Neal attended the 2022 conference to engage with public power clients.
• Energy Bar AssociationcoreStrategic or Co-development PartnerDWGP attorneys hold leadership positions including former EBA President Derek Dyson and current board members, demonstrating deep professional involvement.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Market position

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/duncan-weinberg-genzer-&-pembroke-p-c-

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Duncan, Weinberg, Genzer & Pembroke, P.C. (DWGP)