Steptoe LLP continues to be a leader in handling complex regulatory, litigation, enforcement, and related antitrust matters for electric companies facing important regulatory challenges and investigations. The team boasts a strong roster of clients and is at the forefront of important and emerging issues for both traditional energy and energy transition matters. The team combines energy litigators with deep industry knowledge, a former FERC Commissioner, and former senior advisors. The team leverages diverse experience and deep focus to assist clients in anticipating and addressing emerging issues, trends, and opportunities. Daniel Mullen, team co-head and chair of the energy group, counsels clients on energy and commodities enforcement matters, government investigations, and litigation as well as assisting clients with the development of energy regulatory compliance programs. Co-head Richard Roberts counsels clients concerning all facets of federal energy regulation, and market manipulation and defends clients in governmental enforcement proceedings. William Keyser brings extensive expertise in advising clients including electric utilities, transmission providers, energy storage developers, and independent power producers on a range of matters including transmission rates, cost allocation, interconnection procedures, and agreements, and Shaun Boedicker regularly represents clients in highly complex and contentious disputes and counsels clients on all facets of federal energy regulation. Karen Bruni excels in her energy practice on the regulation of electric and natural gas utilities by the FERC and has counseled electric utilities before federal courts in litigation related to enforcement and antitrust matters. Team members are based in Washington DC unless otherwise stated.

Troutman Pepper Locke LLP is a leading player in the electric power industry, serving large investor-owned utility companies and developers regarding high-level mandates including transmission developments, electric restructuring, antitrust and competition issues, rate regulation, hydropower issues, and other high-value matters related to extensive federal oversight of the utility industry. The team works on an integrated basis with its energy transactional lawyers on the regulatory aspects of renewable project development, finance, and M&A. The team is co-led by Atlanta-based Brandon Marzo who is widely recognized for effectively representing clients in matters involving regulatory approvals before state commissions. Co-head DC-based Christopher Jones represents clients in electric utilities, holding companies, investors, and other market participants on matters relating to federal regulation of the nation’s electricity system. Also co-leading the team is DC-based William Derasmo who excels in matters involving regulatory approvals before state commissions. Donna Byrne brings extensive experience in energy regulatory matters for electric power clients while Adrienne Thompson regularly advises clients on compliance and business issues implicated in transmission, and interconnection-related agreements.

Baker Botts L.L.P. excels in energy regulation, helping clients navigate the complex regulatory landscape of the U.S. electricity market. The firm represents a broad range of industry stakeholders, including large multi-state utilities, private-equity-backed generation and transmission companies, investors, and developers of renewable energy and storage assets. The team handles traditional electric energy regulation, litigation, and transactional regulatory counseling, while also advising on the development of major infrastructure projects. The practice extends to niche regulatory matters, such as hydroelectric licensing and enforcement before FERC and other agencies, and covers the full range of electricity assets, from conventional power and renewables to battery storage, hydroelectric, retail, and transmission assets. The team is led by Michael Yuffee, who focuses on wholesale market design, interconnection, ratemaking, compliance, and FERC representation. Jay Ryan specializes in project development and regulatory matters, Emil Barth focuses on transmission and RTO/ISO market rules, and David Applebaum brings deep expertise in enforcement, compliance, and internal investigations.

Bracewell LLP offers comprehensive expertise in energy regulation, with a strong focus on matters before FERC and the CFTC, including significant enforcement experience. The firm advises clients on regulatory issues tied to renewable energy generation, electric transmission, offshore and onshore wind projects, as well as solar and storage developments, covering compliance, rate, and access matters as projects become operational. Known for its strength in energy transition projects, the team also excels in litigation and disputes involving complex regulatory issues and provides strong transactional support across the sector. The practice is led by Catherine McCarthy, chair of the energy department, who has over 30 years of experience in electric energy regulation, securing FERC and state authorizations, and handling market and compliance matters. Deanna King in Austin focuses on regulatory compliance and litigation, while Michael Brooks specializes in commodities and derivatives law, often representing clients in federal investigations. Theodore F. Duver in New York advises renewable energy companies on federal and state regulatory issues, and Tyler Johnson represents energy marketers and transmission owners in FERC compliance and appellate litigation. Boris Shkuta represents energy clients in a diverse array of high-stakes FERC and federal court proceedings including electric transmission owners and generation owners. All team members are based in Washington DC unless otherwise specified.

Hogan Lovells US LLP‘s Washington DC-based energy regulation practice is recognized for its active involvement in high-profile nuclear energy projects and its specialized support for clients facing Nuclear Regulatory Commission (NRC) investigations, ensuring compliance with complex regulatory frameworks. The team provides nuclear regulatory counsel on significant sector transactions and advises non-nuclear clients seeking to navigate the industry. With deep expertise in export controls, economic sanctions, and non-proliferation laws across multiple jurisdictions, the firm also brings extensive experience in Department of Energy (DOE)-focused nuclear issues. Practice head Amy Roma advises on legal, business, and policy matters, emphasizing the commercialization of innovative technologies crucial to global energy security and decarbonization. Daniel Stenger, with over four decades of experience, is a key figure in nuclear regulatory matters, including NRC license transfers essential for restructurings and corporate transactions. Mary Anne Sullivan leverages her expertise in the sector to provide strategic guidance on critical DOE funding and regulatory challenges. The practice benefits from the recent addition of George Cannon who brings extensive expertise in the power sector from regulatory, markets, policy, commercial, and transactional perspectives and includes all issues at FERC, advising clients on behind-the-meter structures, including data centers co-located with generation resources.

Kirkland & Ellis LLP has a strong energy regulatory practice, advising clients on complex matters involving federal and state agencies overseeing the electricity sector. The team has extensive experience handling transactional and financing structures, renewables, restructuring, data center-related transactions, and litigation before FERC. The firm represents a wide range of clients, including major energy trading companies, electric transmission owners, independent power producers, and public utilities, before FERC, DOE, NRC, CFTC, and state public service commissions. Brooksany Barrowes focuses on regulatory litigation in the energy industry, representing clients across the commodity markets. Recent additions include Damien Lyster, who joined the Houston team from Vinson & Elkins LLP in August 2024, advising on regulatory and compliance matters involving FERC-regulated wholesale power markets, and Paul Wight, who joined from FERC in August 2024, focusing on restructured electricity markets, new energy technologies, and FERC enforcement actions. Andrew Stuyvenberg counsels clients on RTO tariff disputes, FERC M&A approvals, electric rate proceedings, and export authorizations. All team members based in Washington DC unless otherwise stated. The DC team gained John Decker, formerly of Vinson & Elkins LLP, in March 2025.

Latham & Watkins LLP has decades of experience advising leading utilities, generation and transmission owners, developers, sponsors, lenders, and underwriters on complex energy regulatory matters across the US. Leveraging its global platform, the firm assembles multidisciplinary teams to address a wide range of regulatory challenges. The team regularly handles market manipulation claims, tariff compliance, and other enforcement actions, as well as administrative litigation before FERC and state commissions. The practice advises on a range of related matters including acquisitions, major project finance, power purchase agreements, and generation and transmission development. The energy regulatory practice is co-led by Natasha Gianvecchio, who focuses on regulatory issues, energy market developments, and negotiating long-term power purchase agreements, and Tyler Brown, who advises on electric generation, transmission, energy storage, and natural gas and oil transportation, with significant FERC litigation experience. Anna Biegelsen has over a decade of experience guiding clients through FERC enforcement and regulatory proceedings, while James Blackburn represents independent transmission companies, renewable developers, and utilities before FERC and state commissions. All referenced team members are based in Washington DC.

McDermott Will & Emery LLP is recognized for its strong electric regulatory practice, particularly in representing independent power producers and competitive power companies. The team excels in FERC and appellate matters, actively participating in major FERC proceedings and related appellate cases impacting competitive power entities, including power marketers and merchant transmission developers. The practice offers comprehensive counsel on energy regulatory issues, covering reliability, markets, transmission, interconnection, and compliance matters. The team regularly handles complex energy regulatory litigation, investigations, and audits by FERC, the CFTC, and other federal and state agencies, as well as appellate and alternative dispute resolution proceedings. Known for its expertise in FERC investigations, the team is co-led by Neil Levy, who advises clients on organized markets, transmission access, and FERC enforcement matters, and David Tewksbury, who focuses on FERC-regulated electricity markets. Stephanie Lim counsels power producers and marketers on operational and compliance issues, while Bruce Richardson brings deep experience in cost-based ratemaking, reactive power compensation, and reliability matters. All team members based in Washington DC.

McGuireWoods LLP is recognized for handling complex and novel regulatory issues of high industry significance, requiring deep sector expertise. The team has played a key role in the development of new energy markets and has been involved in federal and state rate cases addressing innovative methodologies for determining a utility’s authorized rate of return on investment. The firm is also a strong player in energy enforcement matters, regularly advising clients on compliance and regulatory challenges. The practice is led by Todd Mullins, co-chair of the power sector team, who represents energy clients in FERC enforcement and compliance matters. Noel Symons, a member of the energy strategic advisory board, focuses on regulatory and appellate litigation, advising utilities on cross-jurisdictional matters. Julia English represents generation and transmission owners, developers, and utilities in regulatory and compliance matters before FERC and DOE. Katlyn Davis Farrell has broad experience in electric market regulation, while David Martin Connelly provides strategic counsel on transmission rates, interconnection issues, and regulatory policy before FERC and appellate courts. All team members based in Washington DC.

Vinson & Elkins LLP maintains a strong presence in energy regulation, with a practice spanning federal and state agencies, including FERC, DOE, NERC, PUCT, and the Texas Reliability Entity. The team advises on transmission matters, asset transactions, administrative litigation, and enforcement proceedings, representing sponsors of merchant transmission projects and parties in cost-of-service rate cases. It also assists clients in obtaining DOE grants and loan guarantees, ensuring compliance with NERC reliability standards, and securing regulatory approvals for utilities and transmission projects before PUCT. The energy regulatory practice is co-led by Houston-based James Seegers and Suzanne Clevenger, alongside Washington DC-based William Scherman. Key figures include Jeffrey Jakubiak in New York, who focuses on cost-of-service ratemaking, energy transactions, and power sales. John Decker  departed the team in March 2025.

Gibson, Dunn & Crutcher LLP’s energy regulation and litigation group is well-regarded for handling complex regulatory matters, high-profile FERC and state proceedings, and energy-related disputes and appeals. The team frequently advises utilities and private equity firms on acquisitions involving FERC-jurisdictional assets and large generating facilities. It is also active in energy litigation before both FERC and the courts. Practice head William Hollaway brings extensive experience advising vertically integrated public utilities, independent power producers, and transmission companies on regulatory and transactional matters. Victoria Lauterbach is a key contact for regulatory and transactional advice, representing both renewable and traditional energy companies. Janine Durand advises businesses involved in energy transmission and generation, with particular experience in merchant transmission projects and renewable energy developments. All team members based in Washington DC.

Hunton Andrews Kurth LLP’s energy regulation practice is highly experienced in representing clients in federal and state regulatory proceedings, including litigated rate cases, corporate change-in-control proceedings, and permitting applications. The team regularly advises on regulatory compliance for commercial transactions, including mergers, acquisitions, and financings, with substantial experience before FERC, PUCT, and other energy regulators. Clients include traditional electric utilities, independent system operators, regional transmission organizations, and wholesale power generators. Practice co-head Myles Reynolds specializes in counseling electric utilities and energy companies on regulatory matters, based across Houston and Dallas. In Dallas, Tab Urbantke provides strategic guidance on regulatory risks in project development and energy transactions. Kevin Jones focuses on competitive wholesale markets, working across Richmond and New York, while Ted Murphy, in Washington DC, brings expertise in capacity market power mitigation and reliability issues. Also in DC, John Shepherd has over two decades of experience, represents public utilities, transmission owners, and state agencies in complex regulatory and enforcement matters before FERC and federal courts.

K&L Gates offers comprehensive regulatory and litigation expertise, representing clients before FERC, the Texas Public Utilities Commission (PUC), state commissions, and federal courts of appeals. The team regularly handles high-profile FERC litigations, hearings, settlements, and other regulatory initiatives, while also representing clients in contested proceedings, investigations, and compliance matters before the Texas PUC. The firm assists clients in securing necessary authorizations, approvals, and waivers from regulatory requirements, ensuring seamless navigation through complex energy regulations. The practice is co-led by Kimberly Frank, based in DC, who focuses her electricity regulatory work before FERC and state public utility commissions. She has deep experience in administrative and appellate litigation involving regional capacity and energy market designs, transmission service and rates, and cost allocation. Co-head Brogan Sullivan, based in Kansas City, adds broad regulatory expertise, while Austin-based Maria Faconti focuses on state-level energy regulatory issues within the Electric Reliability Council of Texas.

Morgan, Lewis & Bockius LLP is recognized for its deep understanding of the electric energy industry and its broad-based energy practice. The firm routinely conducts proactive and reactive investigations addressing significant regulatory compliance issues, including matters before FERC, CFTC, and NERC. The team is also well-positioned to advise on sector-specific matters like securities issuance, M&A, insolvency, restructuring, and asset development. Highly regarded for its expertise in regulatory and reliability compliance and enforcement, the firm frequently advises electric utility companies on mandatory reliability standards, especially those related to the physical security and cybersecurity of critical infrastructure and associated computer systems. The practice also supports clients on transmission development issues nationwide. The team is co-led by Elizabeth Hanigan in Chicago and Washington DC-based Stephen Spina who focuses on FERC matters, market investigations, and regulatory compliance. Daniel Skees handles rate, tariff, and transaction matters, while Pamela Wu advises on rates, market rules, and energy trading before FERC and CFTC: both are based in DC.

Norton Rose Fulbright US LLP’s energy regulatory team is a key player in the US power sector, advising on complex federal and state regulatory frameworks and engaging with all relevant government agencies. The firm has deep expertise in federal matters related to the Public Utility Regulatory Policies Act, the Federal Power Act, the Public Utility Holding Company Act, and regional transmission organizations. The practice is co-led by Caileen Kateri Gamache, in Houston, who focuses on guiding project developers, sponsors, and investors through regulatory challenges in renewable energy projects. Washington DC-based Robert Shapiro specializes in project finance, power purchase agreements, and regulatory defense of long-term power contracts. Also in DC, Joseph Williams brings extensive experience representing clients before FERC and CFTC on regulatory compliance, enforcement, and market-related issues, ensuring clients effectively navigate evolving energy regulations.

Orrick, Herrington & Sutcliffe LLP’s energy regulation team is highly experienced in FERC proceedings, disputes, and applications related to power sector projects and transactions. The firm provides comprehensive regulatory support for renewable energy clients and has deep expertise in developing and managing FERC and NERC compliance programs. The practice is co-led by Houston-based Dahl Thompson and Blake Winburne; Kyle Drefke in Washington DC; and Louise Gibbons, based in San Francisco. Cory Lankford advises power project developers and investors on financing, development, and regulatory issues, including generator interconnection and wholesale market participation, from his base in DC. Patrick Ferguson represents major independent power producers in wholesale and retail energy market transactions, and Tahiya Sultan has significant experience in state-level regulatory compliance, advising on energy purchases, storage, and resource adequacy: both are based in San Francisco.

Willkie Farr & Gallagher LLP’s energy regulation team provides comprehensive counsel on power market regulation, compliance, enforcement, and strategic matters, advising clients on transmission, interconnection, project development, ratemaking, and disputes. The firm has significant experience representing clients in high-profile regulatory cases before FERC, CFTC, NFA, and derivatives exchanges. The team also regularly advises commodity and derivatives traders, energy companies, and swap dealers in regulatory investigations across domestic and international markets. Washington DC-based practice head Norman C. Bay brings deep expertise in energy market enforcement, compliance, and policy, drawing from his prior roles as FERC Chairman and Director of Enforcement. His extensive litigation background, including his tenure at the U.S. Department of Justice as Assistant U.S. Attorney and U.S. Attorney for the District of New Mexico, further strengthens the firm’s regulatory and enforcement capabilities.

Arnold & Porter offers deep expertise in the electric utility industry, advising clients across generation and transmission sectors. The firm represents clients in administrative litigation before FERC, as well as in appeals and related court matters. The practice is co-led by Sandra Rizzo, who has extensive experience handling high-profile cases for major utilities, investment funds, and independent power producers. Jonathan Martel and Allison Rumsey also co-lead the team, bringing broad regulatory knowledge. Andrea Kearney advises on emerging energy issues, including data center electricity demands and regulatory applications for asset transactions. All team members are based in Washington DC.

Dentons’ energy regulation team advises a broad range of electricity sector clients on regulatory matters before FERC, covering operations, rates, project development, enforcement, compliance, and rulemaking. The practice is led by Clinton Vince, who brings extensive experience in major project development, regulatory advocacy, and litigation. Emma Hand represents public power entities, municipalities, and large energy customers, with deep experience in administrative litigation and regulatory advisory. Justin Mirabal counsels utilities on regulatory and transactional matters, while Justin Mirabal represents electric and natural gas utilities, project developers, and financial institutions in regulatory and appellate proceedings at both federal and state levels. All named attorneys are based in Washington DC.

Husch Blackwell LLP’s energy regulation team has a strong track record of guiding clients through federal and state regulatory challenges to advance key projects. The firm provides comprehensive legal services across regulatory, litigation, and business matters, including generation, transmission, distribution, and regional power markets. The team regularly advises on rate and cost allocation issues, as well as interconnection procedures within regional transmission organizations and independent system operators. Practice co-heads include Kansas City-based Anna Kimbrell, and Washington DC-based Linda Walsh, who brings over 35 years of experience representing electric utilities before FERC and NERC. In Austin, co-head Chris Reeder is a seasoned regulatory lawyer advising on project development and regulatory proceedings.

Sidley Austin LLP offers a well-rounded energy practice, advising on both transactional and regulatory matters while delivering commercially actionable guidance on critical industry issues. The firm counsels power market participants on emerging trends, including energy market design, FERC’s energy storage rule, vehicle-to-grid integration, and behind-the-meter generation solutions. It represents clients across generation, transmission, distribution, and electricity trading. The practice is co-led by Washington DC-based Kenneth Irvin, who has nearly three decades of experience in regulatory, enforcement, and compliance matters, along with Cliff Vrielink in Houston and Tara Higgins in New York. In Boston, Terence Healey brings additional expertise in regulatory and enforcement proceedings, representing a broad range of electricity market participants before FERC and state agencies.