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Renewable Energy & Sustainability

Pairing one of the most comprehensive climate practices in the country with a robust energy practice, Arnold & Porter operates at the forefront of the evolving renewable energy industry sector, including wind, solar, hydro, geothermal, and biomass. Our multidisciplinary team brings a sophisticated understanding of the underlying science and decades of experience to provide seamless representation across the life of renewable and clean energy projects. Our experience ranges from greenhouse gas regulation and renewable fuels, to government enforcement actions and citizen suits, to regulatory rulemaking and policy advocacy, to lending and project finance. Additionally, we use our knowledge of the industry and the applicable regulations to advise clients on how to implement sustainable business operations, from their supply chain, to the products they produce, to their carbon footprint.

Renewable Energy Legal Defense Initiative (RELDI): Our attorneys created this innovative project to provide free legal assistance across the U.S. to companies pursing renewable energy, such as solar and wind, that face local opposition.
Arnold & Porter is one of eight founding firms of "Lawyers for a Sustainable Economy," a groundbreaking initiative that promises US$15 million worth of pro bono legal services to causes advancing sustainability.
Learn more about our Environmental, Social, and Corporate Governance (ESG) practice.
» Watch our recent webinar on
Energy and Climate: What’s Next in the Drive to Net-Zero and How Will It Affect Your Business?

Experience Highlights

  • BP in the antitrust aspects of its strategic partnership with Equinor and the US$1.1 billion acquisition of 50% interest in four assets in two wind leases located offshore New York and Massachusetts that together have the potential to generate power for more than two million homes.

  • Republic of Panama in an ICSID arbitration filed at by Transglobal Green Energy involving a hydro-electric power plant project under the U.S.-Panama bilateral investment treaty.

  • Enphase Energy Inc., a leading designer and manufacturer of software-driven home energy solutions that span solar generation, home energy storage, and web-based monitoring and control, in its acquisition of the microinverter business of SunPower and on the U.S. aspects of its acquisition of Sofdesk Inc. a Montreal-based software organization for roofers and solar installers.

  • Growth Energy, a biofuels trade association, in providing regulatory and litigation assistance in connection with efforts to relieve regulatory restrictions on marketing of blends of gasoline and 15 percent ethanol (E15), and in connection with EPA rulemaking proceedings concerning the Renewable Fuels Standard.

  • Iogen, a leading Canadian producer and marketer of renewable biogas, in DC Circuit litigation challenging EPA’s final rule setting cellulosic biofuel volumes for purposes of the annual Renewable Fuel Standards (RFS) Rule under the Clean Air Act.

  • Toyota Motor Sales USA Inc. in its support for hydrogen fuel infrastructure.

  • Honeywell in negotiating leases of over 80 acres of contaminated properties in Syracuse for four solar projects that will advance corporate sustainability goals, provide an economically-productive and cost-effective option for remedial closure, and put these properties back into productive reuse.

  • ChargePoint, the world's largest electric vehicle charging network, on policy issues impacting the deployment of alternative fuel vehicles, and in leading a coalition that successfully advocated for inclusion of a billion-dollar, multiyear grant program in House and Senate surface transportation legislation.

  • Multitrade Rabun Gap LLC, a biomass-fired generation facility, with regard to achieving and maintaining Qualifying Facility status. 

  • Institutional funds in connection with investments in Red River Biorefinery, an agricultural waste to bio fuel project in North Dakota, which included bond reissue.