Gibson Dunn Represented the Underwriters in Interstate Power and Light Company’s $300 Million Public Offering
Firm News | September 12, 2025
Gibson Dunn represented the underwriters in a public offering by Interstate Power and Light Company, a wholly owned subsidiary of Alliant Energy Corporation, of $300 million aggregate principal amount of its 5.600% senior debentures due 2055.
The underwriters were led by KeyBanc Capital Markets Inc., PNC Capital Markets LLC, TD Securities (USA) LLC, and U.S. Bancorp Investments, Inc.
Our team was led by partner Andrew Fabens and of counsel Rodrigo Surcan and included associates Lawrence Lee, Ian Mathenge, and Stephen Huie. Partner William R. Hollaway and senior counsel Janine Durand advised on regulatory aspects, and partner Rachel Levick and associate Taylor Amato advised on environmental aspects.