Item 16. FORM 10-K SUMMARY

None.



	126

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned, thereunto duly authorized on the 23rd day of February 2018.



ALLIANT ENERGY	INTERSTATE POWER	WISCONSIN POWER
CORPORATION	AND LIGHT COMPANY	AND LIGHT COMPANY
By: /s/ Patricia L. Kampling	By: /s/ Patricia L. Kampling	By: /s/ Patricia L. Kampling
Patricia L. Kampling	Patricia L. Kampling	Patricia L. Kampling
Chairman and Chief Executive Officer	Chairman and Chief Executive Officer	Chairman and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the Registrants and in the capacities indicated on the 23rd day of February 2018.



ALLIANT ENERGY	INTERSTATE POWER	WISCONSIN POWER
CORPORATION	AND LIGHT COMPANY	AND LIGHT COMPANY
By: /s/ Patricia L. Kampling	By: /s/ Patricia L. Kampling	By: /s/ Patricia L. Kampling
Patricia L. Kampling	Patricia L. Kampling	Patricia L. Kampling
Chairman, Chief Executive Officer and Director (Principal Executive Officer)	Chairman, Chief Executive Officer and Director (Principal Executive Officer)	Chairman, Chief Executive Officer and Director (Principal Executive Officer)

/s/ Robert J. Durian	/s/ Robert J. Durian	/s/ Robert J. Durian
Robert J. Durian	Robert J. Durian	Robert J. Durian
Senior Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer)	Senior Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer)	Senior Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer)

/s/ Benjamin M. Bilitz	/s/ Benjamin M. Bilitz	/s/ Benjamin M. Bilitz
Benjamin M. Bilitz	Benjamin M. Bilitz	Benjamin M. Bilitz
Chief Accounting Officer and Controller (Principal Accounting Officer)	Chief Accounting Officer and Controller (Principal Accounting Officer)	Chief Accounting Officer and Controller (Principal Accounting Officer)

/s/ Patrick E. Allen	/s/ Patrick E. Allen	/s/ Patrick E. Allen
Patrick E. Allen, Director	Patrick E. Allen, Director	Patrick E. Allen, Director

/s/ Michael L. Bennett	/s/ Michael L. Bennett	/s/ Michael L. Bennett
Michael L. Bennett, Director	Michael L. Bennett, Director	Michael L. Bennett, Director

/s/ Deborah B. Dunie	/s/ Deborah B. Dunie	/s/ Deborah B. Dunie
Deborah B. Dunie, Director	Deborah B. Dunie, Director	Deborah B. Dunie, Director

/s/ Darryl B. Hazel	/s/ Darryl B. Hazel	/s/ Darryl B. Hazel
Darryl B. Hazel, Director	Darryl B. Hazel, Director	Darryl B. Hazel, Director

/s/ Singleton B. McAllister	/s/ Singleton B. McAllister	/s/ Singleton B. McAllister
Singleton B. McAllister, Director	Singleton B. McAllister, Director	Singleton B. McAllister, Director

/s/ Thomas F. O’Toole	/s/ Thomas F. O’Toole	/s/ Thomas F. O’Toole
Thomas F. O’Toole, Director	Thomas F. O’Toole, Director	Thomas F. O’Toole, Director

/s/ Dean C. Oestreich	/s/ Dean C. Oestreich	/s/ Dean C. Oestreich
Dean C. Oestreich, Director	Dean C. Oestreich, Director	Dean C. Oestreich, Director

/s/ Carol P. Sanders	/s/ Carol P. Sanders	/s/ Carol P. Sanders
Carol P. Sanders, Director	Carol P. Sanders, Director	Carol P. Sanders, Director

/s/ Susan D. Whiting	/s/ Susan D. Whiting	/s/ Susan D. Whiting
Susan D. Whiting, Director	Susan D. Whiting, Director	Susan D. Whiting, Director



	127

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