(As filed October 23, 2001) File No. 70-9837 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 -------------------------------------------------------- FORM U-1/A Amendment No. 3 to APPLICATION OR DECLARATION UNDER THE PUBLIC UTILITY HOLDING COMPANY ACT OF 1935 -------------------------------------------------------- ALLIANT ENERGY CORPORATION 222 West Washington Avenue Madison, Wisconsin 53703 INTERSTATE POWER COMPANY 1000 Main Street P.O. Box 759 Dubuque, Iowa 52004 IES UTILITIES INC. Alliant Energy Tower 200 First Street SE Cedar Rapids, Iowa 52401 (Names of companies filing this statement and addresses of principal executive offices) ----------------------------------------------------- ALLIANT ENERGY CORPORATION 222 West Washington Avenue Madison, Wisconsin 53703 (Name of top registered holding company parent) ------------------------------------------------------ Edward M. Gleason, Vice President-Treasurer and Corporate Secretary Alliant Energy Corporation 222 West Washington Avenue Madison, Wisconsin 53703 (Name and address of agent for service) --------------------------------------------------------- The Commission is requested to send copies of all notices, orders and communications in connection with this Application/Declaration to: Barbara J. Swan, General Counsel William T. Baker, Jr., Esq. Alliant Energy Corporation Thelen Reid & Priest LLP 222 West Washington Avenue 40 West 57th Street Madison, Wisconsin 53703 New York, New York 10019 Kent Ragsdale, Managing Attorney Alliant Energy Tower Alliant Energy Corporate Services, Inc. 200 First Street SE Cedar Rapids, Iowa 52401 2 The Application/Declaration filed in this proceeding on January 22, 2001, as amended by Amendment No. 1, filed February 14, 2001, and amended and restated in its entirety by Amendment No.2, filed October 11, 2001, is hereby further amended as follows: The second paragraph of Item 1.4 - Other Related Matters is amended and --------------------- restated to read as follows: "IESU and IPC are also currently authorized to issue and sell long-term secured and unsecured debt securities from time to time through June 30, 2004. IESU is authorized to issue and sell in one or more transactions any combination of collateral trust bonds, senior unsecured debentures, and unsecured subordinated debentures, and to enter into agreements with respect to tax-exempt bonds, in an aggregate principal amount at any time outstanding not to exceed $200 million. See File No. 70-9375; Holding Co. Act Release Nos. 26945 (Nov. 25, 1998) and 27306 (Dec. 15, 2000). IPC is authorized to issue and sell in one or more transactions any combination of first mortgage bonds, senior unsecured debentures, and unsecured subordinated debentures, and to enter into agreements with respect to tax-exempt bonds, in an aggregate principal amount at any time outstanding not to exceed $80 million. See File No. 70-9377; Holding Co. Act Release Nos. 26946 (Nov. 25, 1998) and 27305 (Dec. 15, 2000). Following the Merger, it is proposed that IESU's long-term debt limitation in File No. 70-9375 be increased to $300 million.1 All other terms, conditions and limitations on IESU's authorization in File No. 70-9375 will continue to apply without change. Except in accordance with a further order of the Commission, IESU will not issue any long-term debt unless such securities are rated at the investment grade level as established by at least one nationally recognized statistical rating organization, as that term is used in paragraphs (c)(2)(vi)(E), (F) and (H) of Rule 15c3-1 under the Securities Exchange Act of 1934. It is requested that the Commission reserve jurisdiction over the issuance by IESU of any such securities that are rated below investment grade." -------- 1 IPC's authorization in File No. 70-9377 will expire effective upon its merger into IESU. 3 SIGNATURES Pursuant to the requirements of the Public Utility Holding Company Act of 1935, as amended, the undersigned companies have duly caused this Application/Declaration filed herein, as amended, to be signed on their behalf by the undersigned thereunto duly authorized. ALLIANT ENERGY CORPORATION By: /s/ Edward M. Gleason ----------------- Name: Edward M. Gleason Title: Vice President-Treasurer and Corporate Secretary INTERSTATE POWER COMPANY By: /s/ Edward M. Gleason ----------------- Name: Edward M. Gleason Title: Vice President-Treasurer and Corporate Secretary IES UTILITIES INC. By: /s/ Edward M. Gleason ----------------- Name: Edward M. Gleason Title: Vice President-Treasurer and Corporate Secretary Date: October 23, 2001 4