Duncan joined the Louisville office of Stoll Keenon Ogden in 2003 and is a Member of the Utility & Energy practice group. He has extensive experience representing electric and gas utility clients before the Kentucky Public Service Commission concerning base rates, certificates of public convenience and necessity, utility acquisitions and sales, environmental surcharge recovery, special contracts, other rate recovery mechanisms, and customer disputes.
In this highly regulated utility industry, Duncan focuses on helping clients achieve their day-to-day operational goals and long-term strategic objectives. Among his many highlights are his successful efforts in helping a large gas and utility company recover $115 million in annual revenue, approvals for almost $3 billion in new electric generating assets, and more than $1 billion in new environmental capital investments.
An Eagle Scout, Duncan graduated cum laude from Yale University and earned his J.D. at Harvard. He is also an active member of the Louisville community, currently serving on the boards of Greater Louisville, Inc. and Junior Achievement of Kentuckiana.
Utility & Energy: In this highly regulated industry, Duncan focuses on helping clients achieve their day-to-day operations goals and long-term strategic objectives. Among his many highlights are his successful efforts in helping a large gas and utility company recover $115 million in annual revenue and nearly $1 billion in new environmental capital investments.
Yale University, 2000, B.A.
Harvard Law School, 2003, J.D.
Kentucky
Greater Louisville Inc., Board of Directors, 2025-present
Junior Achievement, Board Member, 2025-present
Best Lawyers in America®: Administrative/Regulatory Law, 2025-present; 2026 Administrative/Regulatory Law “Lawyer of the Year” in Louisville
Kentucky Rising Stars® Honoree, 2017-2018
Electric Utilities Counsel
From 2004-2006, Duncan was state regulatory counsel for two electric utilities in connection with their successful and complete withdrawal from the Midwest Independent Transmission System Operator.
Rate Case
Since 2009, Duncan served as counsel in four electric base rate cases before the Kentucky Public Service Commission that resulted in the approval of increases in electric base rates.
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