Interstate Power & Light Company

Overview

Deal Type Debt Capital Markets
Size $300 Million
Senior Debentures
Client & Transactional Partners Alliant Energy
Interstate Power & Light Company
Our Role Active Joint Bookrunner

Summary

In September 2025, we served as Active Joint Bookrunner on Interstate Power & Light’s (IPL) issuance of $300 million Senior Debentures due October 1, 2055, with a 5.6% coupon. IPL, a wholly owned subsidiary of Alliant Energy Corporation, is a public utility serving Iowa with electricity and natural gas. It provides electric service to about 500,000 customers and 230,000 natural gas customers.

IPL intends to use the net proceeds to reduce outstanding capital under their receivables purchase and sale program, to reduce outstanding commercial paper, and/or for general corporate purposes. KeyBanc Capital Markets served as Active Joint Bookrunner.

B I Deal Disclosure

KeyBanc Capital Markets is a trade name under which the corporate and investment banking products and services of KeyCorp and its subsidiaries, KeyBanc Capital Markets Inc., member FINRA/SIPC (“KBCMI”), and KeyBank National Association (“KeyBank N.A.”), are marketed. Securities products and services are offered by KeyBanc Capital Markets Inc. and by its licensed securities representatives. Banking products and services are offered by KeyBank N.A.

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