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.
Legal 500 Editorial commentary
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Key clients
- BlackRock
- Brookfield Renewable
- Guzman Energy Group LLC
- J. Aron & Company
- Key Capture Energy, LLC
- Macquarie Energy LLC
- Osprey Energy Holdings, LLC
- Rockland Capital
- Tract Capital Management, LP
- Vistra Corporation
Work highlights
- Represents Guzman Energy in regulatory and transactional matters, including a FERC hearing on cooperative exits from Tri-State Generation and Transmission.
- Represented Macquarie Inc. in restructuring loans to Lanyard Power, facilitating its sale to Osprey Energy Holdings and later to Terrapin Power.
- Represented clients in challenging FERC’s WECC Soft-Cap Rule before the D.C. Circuit, securing a unanimous ruling vacating FERC’s orders.
Lawyers
Practice head
Kenneth Irvin; Cliff Vrielink; Tara Higgins
Other key lawyers
Terence Healey; Christopher Polito; Sarah Tucker; Casey Khan