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Willkie Farr & Gallagher's energy and infrastructure lawyers across the U.S. and Europe bring decades of deep experience advising a diverse group of energy and infrastructure clients on complex transactions across the full energy value chain and critical infrastructure sectors.
Our full-service global team provides integrated and cross-disciplinary legal counsel on all aspects of the development, financing, acquisition and divestment of energy and infrastructure companies, projects and assets. We advise on a broad array of energy and infrastructure transactions and matters spanning the entire energy industry and infrastructure landscape—including power and renewables, upstream and midstream oil and gas, LNG, energy transition and carbon storage, data centers, digital and telecom infrastructure, and ports, terminals and transportation.
Our team has experience across a wide range of practice areas, including transactions like mergers & acquisitions, project finance and development (including tax equity), equity investments, joint ventures, debt financings, fund formations, leveraged financings, capital markets transactions, commodities transactions. Our regulatory team has tenure experience advising on complex rules affecting projects like CFIUS, FERC, CFTC, global competition laws, FCPA and U.K. Anti-Bribery Act, and OFAC.
We advise clients in connection with every facet of the life cycle of energy and infrastructure projects, and our team has a long history of working closely with clients on designing, structuring, negotiating and drafting first-of-a-kind innovative projects, joint ventures and investment platforms.
Our exposure to both energy and infrastructure clients and capital providers is a key strength that allows us to be a resource to clients in identifying financial advisors, investors and banks for their project requirements.

Willkie's power and renewable energy attorneys represent investors, sponsors, developers, utilities, independent power producers, lenders and owners in all types of transactional, regulatory and compliance matters involving power generation and storage assets. We advise on greenfield and brownfield renewable and conventional power generation projects including all aspects of development, construction and operation, including interconnection and transmission arrangements, based on comprehensive experience in the U.S., Europe and Latin America.
Our lawyers have extensive experience working on a variety of asset types, including gas-fired generation, solar, onshore and offshore wind, nuclear, hydroelectric, geothermal and biomass technology, as well as battery energy storage systems (BESS), compressed-air energy storage and green hydrogen. This work includes tax equity investments and tax credit transfers, energy M&A of projects, portfolios and companies, project finance, debt financings, restructurings and regulatory matters. Our practice also includes development work and energy commodities (including PPAs, hedges, etc.). We have deep knowledge of the full range of U.S. government incentives in the energy sector and regularly advise clients on ways to maximize those benefits, including under the Inflation Reduction Act.
Willkie's energy transition lawyers have a complete lifecycle understanding of the energy transition and technology matrix and its role in the global economy. Our experience spans multiple sectors within the energy transition, including green hydrogen, biomass, battery storage, EV charging, geothermal, carbon trading, carbon capture and sequestration (CCS), nuclear energy, and other emerging energy technologies. We help clients navigate new transaction structures and hedging instruments designed to facilitate capital flows needed to finance the transition to a low-carbon economy.
Our team represents clients in connection with the development, sale and purchase of renewable energy credits, carbon offset projects and related trading markets, and is adept at analyzing climate risk and opportunity in the context of M&A and related financing and insurance matters.
Willkie's infrastructure attorneys represent a broad spectrum of market players—including asset managers, investment and private equity funds, public entities, industrial companies, commercial banks and debt funds, international and development finance institutions and institutional investors—on M&A, project development and project finance transactions in the infrastructure sector. Our infrastructure experience spans multiple industries, including airports, ports and terminals, roads, tunnels and bridges, urban public transportation, railways, hospitals, military infrastructure, governmental and social infrastructure, water and waste, digital infrastructure and data centers, sports infrastructure, and telecommunications. We combine in-depth knowledge of local markets with international best practices across the Americas, Europe, Sub-Saharan Africa, the Middle East and Central Asia. Our core infrastructure team works closely with practitioners focused on related areas, including fund formation, private equity, environmental, tax, antitrust, capital markets, corporate, restructuring and litigation. We regularly assist clients with a wide array of project agreements, including concessions, investment agreements and other arrangements with host governments, as well as key off-take, EPC, O&M, fuel/raw materials/utility supply and transmission agreements.
Willkie's oil and gas attorneys have decades of experience advising a diverse group of clients on the development, ownership, operation and financing of investments and projects across the hydrocarbon value chain. Our team delivers tailored legal advice on complex transactional matters in the oil and gas industry, including M&A and divestitures of onshore and offshore assets, formation and negotiation of investment platforms and private equity-backed vehicles, drilling partnerships, complex asset-level joint ventures, and energy finance and capital markets transactions. We have a depth of knowledge with secured oil and gas financings, including syndicated loans, volumetric production payments, reserve-based loans, acquisition financings, project financings, structured commodity financings, mezzanine loans, as well as workouts and restructurings.
Willkie’s attorneys have deep-rooted experience providing outside counsel to midstream and related companies—including midstream gathering and pipeline operators, master limited partnerships, and strategic midstream companies—pairing leading M&A experience with a top-tier financing platform. Our work spans crude and gas gathering, gas processing, fractionation and product supply, and produced water gathering, disposal and recycling agreements; terminaling and midstream operating agreements; acquisitions of energy generation and transmission assets; energy outsourcing; and infrastructure development.
Willkie energy attorneys have also worked with clients involved across the LNG value chain, from LNG liquefaction and export terminals to LNG sales and purchase agreements, supply agreements to LNG regasification and import terminals, LNG-to-power projects, and storage facilities. Our representations span projects throughout the world, including work for key facilities in the United States, Mexico, South America, and Sub-Saharan Africa. Given our deep experience with the entire LNG value chain, we have a keen understanding of the global LNG business and are able to provide clients with comprehensive advice on the entire lifecycle of LNG projects, from the consenting and planning process, through construction, financing, operation, implementation of off-take arrangements, and refinancings or sales.

Willkie’s market-leading energy team has wide-ranging and deep experience representing clients in complex transactional, regulatory, compliance, litigation, and enforcement matters before the Federal Energy Regulatory Commission, the North American Electric Reliability Corporation, and state utility commissions. We provide counsel to participants in wholesale and retail energy markets, including: investors, infrastructure funds and private equity, utilities, renewables and battery storage developers, clean tech companies, independent power producers, marketers, pipeline owners and shippers, and commercial users of power, natural gas, natural gas liquids and oil.
Willkie advises clients across the full lifecycle of data center and digital infrastructure ownership, development, operation, and financing matters. Our data center and digital infrastructure clients span the spectrum of market players, including data center developers and hyperscalers; energy project developers (conventional, renewable, and energy storage); private equity and institutional investors; commercial banks; GPU, CPU, and memory users; neo-cloud arrangers; investors and financiers, and other participants in the artificial intelligence market. We also advise on data center energy solutions and development, including behind-the-meter power generation, front-of-the-meter arrangements and interconnection matters, as well as energy technology investment, including early stage vehicles and capital raises.