Item 16. FORM 10-K SUMMARY

None.



	105

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 21st day of February 2020.



ALLIANT ENERGY	INTERSTATE POWER	WISCONSIN POWER
CORPORATION	AND LIGHT COMPANY	AND LIGHT COMPANY
By: /s/ John O. Larsen	By: /s/ John O. Larsen	By: /s/ John O. Larsen
John O. Larsen	John O. Larsen	John O. Larsen
Chairman, President 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 21st day of February 2020.



ALLIANT ENERGY	INTERSTATE POWER	WISCONSIN POWER
CORPORATION	AND LIGHT COMPANY	AND LIGHT COMPANY
/s/ John O. Larsen	/s/ John O. Larsen	/s/ John O. Larsen
John O. Larsen	John O. Larsen	John O. Larsen
Chairman, President, 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
Executive Vice President and Chief Financial Officer (Principal Financial Officer)	Executive Vice President and Chief Financial Officer (Principal Financial Officer)	Executive Vice President and Chief Financial Officer (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/ Jillian C. Evanko	/s/ Jillian C. Evanko	/s/ Jillian C. Evanko
Jillian C. Evanko, Director	Jillian C. Evanko, Director	Jillian C. Evanko, Director

/s/ Michael D. Garcia	/s/ Michael D. Garcia	/s/ Michael D. Garcia
Michael D. Garcia, Director	Michael D. Garcia, Director	Michael D. Garcia, 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/ Roger K. Newport	/s/ Roger K. Newport	/s/ Roger K. Newport
Roger K. Newport, Director	Roger K. Newport, Director	Roger K. Newport, 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



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