Item 8.01 Other Events.



On September 13, 2021, Wisconsin Power and Light Company ("WPL"), a subsidiary
of Alliant Energy Corporation, entered into an Underwriting Agreement (the
"Underwriting Agreement") with Barclays Capital Inc., BofA Securities, Inc.,
Mizuho Securities USA LLC and Wells Fargo Securities, LLC, as representatives of
the several underwriters listed therein (the "Underwriters"), pursuant to which
WPL agreed to sell, and the Underwriters agreed to purchase, subject to the
terms and conditions set forth therein, $300,000,000 aggregate principal amount
of WPL's 1.950% Debentures due 2031 (the "Debentures"), in a public offering
(the "Offering"). The Debentures are to be issued under an Indenture dated as of
June 20, 1997, between WPL and Wells Fargo Bank, National Association, as
successor trustee (the "Original Trustee"), as supplemented by the First
Supplemental Indenture to be dated as of September 16, 2021 (the "Supplemental
Indenture"), among WPL, the Original Trustee, and U.S. Bank National
Association, as series trustee. The Offering is expected to close, subject to
standard closing conditions, on September 16, 2021.

The Debentures are registered under the Securities Act of 1933, as amended,
pursuant to an automatic shelf registration statement on Form S-3 (Registration
No. 333-251353-02) that WPL filed with the Securities and Exchange Commission
(the "SEC") on December 15, 2020 (the "Registration Statement"). The
Registration Statement was supplemented by a Prospectus Supplement setting forth
the terms of the Debentures that WPL filed with the SEC on September 15, 2021.

This Current Report on Form 8-K is being filed for the purpose of filing
exhibits to the Registration Statement relating to the public offering of the
Debentures, and all such exhibits are hereby incorporated into the Registration
Statement by reference. The Underwriting Agreement is filed as   Exhibit 1.1
and the Supplemental Indenture is filed as   Exhibit 4.1   to this Form 8-K.

On September 13, 2021, WPL issued a press release announcing that it had priced
the Offering. The press release is filed as   Exhibit 99.1   to this Current
Report on Form 8-K and is incorporated herein by reference.

Perkins Coie LLP, counsel to WPL, has issued an opinion to WPL, dated September
16, 2021, regarding the legality of the Debentures upon issuance thereof. The
opinion as to legality is filed as   Exhibit 5.1   hereto.

Item 9.01 Financial Statements and Exhibits.



(d) Exhibits.
Exhibit Number        Description
1.1                     Underwriting Agreement, dated September 13, 2021,

among Wisconsin Power and Light


                      Company and the underwriters named therein.
4.1                     First Supplemental Indenture, dated September 16,

2021, among Wisconsin Power and

Light Company, Wells Fargo Bank, National

Association, as Original Trustee, and

U.S. Bank National Association, as Series Trustee.
5.1                     Opinion of Perkins Coie LLP, dated September 16,

2021, with respect to the 1.950%


                      Debentures due 2031 of Wisconsin Power and Light Company.
23.1                    Consent of Perkins Coie LLP (contained in Exhibit 5.1 hereto).
99.1                    Press Release of Wisconsin Power and Light Company, dated September 13, 2021.
104                   Cover Page Interactive Data File (embedded within the Inline XBRL document).

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