Sideris Succeeding Lewis as Head of Duke Energy Distribution Biz

Harry Sideris

Duke Energy announced two promotions this week to fill the gap of longtime executive Michael Lewis’ retirement in June.

Duke Energy Florida President Harry Sideris will succeed Lewis as senior vice president and chief distribution officer for the parent company. Sideris has spent 22 years in the industry since joining Progress Energy (formerly Carolina Power & Light) in 1996.

“Power distribution is where we deliver for our customers, and Harry’s operational background and customer-facing experience makes him the right leader for this job,” said Lloyd Yates, executive vice president, customer and delivery operations and president, Carolinas region. 

He was named vice president of power generation for Duke after it merged with Progress Energy in 2012. Sideris took the Florida unit’s presidency in January 2017.

Catherine Stempien

Catherine Stempien will take Sideris’ role heading up Florida operations for Duke. She currently is senior vice president of corporate development. She has 24 years of experience in finance and legal fields.

Stempien led the divestiture of Duke’s generation businesses in Latin American and the Midwest U.S., as well as the acquisition of Piedmont Natural Gas, among other achievements. She was a private attorney before entering the energy industry.

Lewis is retiring June 30 after a 30-year career in the industry. In addition to Duke Energy, he has worked for Progress and Virginia Power.


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The Clarion Energy Content Team is made up of editors from various publications, including POWERGRID International, Power Engineering, Renewable Energy World, Hydro Review, Smart Energy International, and Power Engineering International. Contact the content lead for this publication at

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