(1)	Consolidated Financial Statements - Refer to Item 8 Financial Statements and Supplementary Data.

(2)	Financial Statement Schedules -

Schedule I. Condensed Parent Company Financial Statements

Schedule II. Valuation and Qualifying Accounts and Reserves

NOTE: All other schedules are omitted because they are not applicable or not required, or because that required information is shown either in the consolidated financial statements or in the notes thereto.

(3)	Exhibits Required by SEC Regulation S-K - Exhibits for Alliant Energy, IPL and WPL are listed in the Exhibit Index, which is incorporated herein by reference.

SCHEDULE I - CONDENSED PARENT COMPANY FINANCIAL STATEMENTS

ALLIANT ENERGY CORPORATION

(Parent Company Only)

CONDENSED STATEMENTS OF INCOME

	Year Ended December 31,
	2013				2012				2011
	(in millions)
Operating revenues		$2				$2				$4
Operating expenses	1				1				1
Operating income	1				1				3
Interest expense and other:
Equity earnings from consolidated subsidiaries	(362		)		(322		)		(304		)
Interest expense	11				11				11
Interest income	(2		)		(4		)		(2		)
Total interest expense and other	(353		)		(315		)		(295		)
Income before income taxes	354				316				298
Income tax benefit	(4		)		(4		)		(5		)
Net income		$358				$320				$303

The accompanying Notes to Condensed Financial Statements are an integral part of these statements.

ALLIANT ENERGY CORPORATION

(Parent Company Only)

CONDENSED BALANCE SHEETS

	December 31,
	2013				2012
	(in millions)
ASSETS
Current assets:
Notes receivable from affiliated companies		$72				$77
Other	3				2
	75				79
Investments:
Investments in consolidated subsidiaries	3,585				3,447
Other	14				20
	3,599				3,467
Other assets	6				5
Total assets		$3,680				$3,551

The accompanying Notes to Condensed Financial Statements are an integral part of these statements.

ALLIANT ENERGY CORPORATION

(Parent Company Only)

CONDENSED BALANCE SHEETS (continued)

	December 31,
	2013				2012
	(in millions)
CAPITALIZATION AND LIABILITIES
Capitalization:
Common stock and additional paid-in capital		$1,509				$1,512
Retained earnings	1,777				1,627
Accumulated other comprehensive loss	—				(1		)
Shares in deferred compensation trust	(8		)		(7		)
Total common equity	3,278				3,131
Long-term debt, net	—				250
	3,278				3,381
Current liabilities:
Current maturities of long-term debt	250				—
Commercial paper	96				105
Other	10				21
	356				126
Other long-term liabilities and deferred credits:
Deferred income taxes	39				38
Other	7				6
	46				44
Total capitalization and liabilities		$3,680				$3,551

The accompanying Notes to Condensed Financial Statements are an integral part of these statements.

ALLIANT ENERGY CORPORATION

(Parent Company Only)

CONDENSED STATEMENTS OF CASH FLOWS

	Year Ended December 31,
	2013				2012				2011
	(in millions)
Net cash flows from operating activities		$238				$260				$193
Cash flows used for investing activities:
Capital contributions to consolidated subsidiaries	(120		)		(230		)		(144		)
Capital repayments from consolidated subsidiaries	95				—				101
Net change in notes receivable from affiliates	5				134				—
Other	(2		)		1				—
Net cash flows used for investing activities	(22		)		(95		)		(43		)
Cash flows used for financing activities:
Common stock dividends	(208		)		(199		)		(188		)
Net change in borrowings with affiliates	—				—				(155		)
Net change in commercial paper	(9		)		35				70
Other	1				(1		)		—
Net cash flows used for financing activities	(216		)		(165		)		(273		)
Net decrease in cash and cash equivalents	—				—				(123		)
Cash and cash equivalents at beginning of period	—				—				123
Cash and cash equivalents at end of period		$—				$—				$—
Supplemental cash flows information:
Cash paid (refunded) during the period for:
Interest, net of capitalized interest		$13				$11				$11
Income taxes, net of refunds	7				(29		)		(6		)

The accompanying Notes to Condensed Financial Statements are an integral part of these statements.

ALLIANT ENERGY CORPORATION

(Parent Company Only)

NOTES TO CONDENSED FINANCIAL STATEMENTS

Pursuant to rules and regulations of the SEC, the Condensed Financial Statements of Alliant Energy Corporation (Parent Company Only) do not reflect all of the information and notes normally included with financial statements prepared in accordance with GAAP. Therefore, these Condensed Financial Statements should be read in conjunction with the Consolidated Financial Statements and related Combined Notes to Consolidated Financial Statements included in Alliant Energy’s 2013 Form 10-K, Part II, Item 8, which is incorporated herein by reference.

In the Condensed Financial Statements of Alliant Energy Corporation (Parent Company Only), investments in subsidiaries are accounted for using the equity method.

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES

				Additions
			Balance,	Charged to	Charged to Other		Balance,
Description			January 1	Expense	Accounts (a)	Deductions (b)	December 31
			(in millions)

Valuation and Qualifying Accounts Which are Deducted in the Balance Sheet From the Assets to Which They Apply:

	Accumulated Provision for Uncollectible Accounts:
		Alliant Energy (c)
			Year ended December 31, 2013		$4.0			$13.6			$0.6			$13.4			$4.8
			Year ended December 31, 2012	4.2			6.6			1.2			8.0			4.0
			Year ended December 31, 2011	3.2			7.8			1.9			8.7			4.2
		IPL (c)
			Year ended December 31, 2013		$0.7			$12.7			$—			$12.7			$0.7
			Year ended December 31, 2012	0.9			6.4			—			6.6			0.7
			Year ended December 31, 2011	0.4			7.4			—			6.9			0.9
		WPL
			Year ended December 31, 2013		$1.8			$—			$0.6			$0.7			$1.7
			Year ended December 31, 2012	1.9			0.1			1.2			1.4			1.8
			Year ended December 31, 2011	1.7			0.1			1.9			1.8			1.9

Note: The above provisions relate to various customer, notes and other receivable balances included in various line items on the respective Consolidated Balance Sheets.

Other Reserves:

	Accumulated Provision for Other Reserves (d):
		Alliant Energy
			Year ended December 31, 2013		$33.4			$23.2			$—			$18.4			$38.2
			Year ended December 31, 2012	25.9			9.6			—			2.1			33.4
			Year ended December 31, 2011	24.0			8.8			—			6.9			25.9
		IPL
			Year ended December 31, 2013		$11.6			$9.3			$—			$2.8			$18.1
			Year ended December 31, 2012	10.2			2.1			—			0.7			11.6
			Year ended December 31, 2011	8.8			3.6			—			2.2			10.2
		WPL
			Year ended December 31, 2013		$13.5			$8.8			$—			$6.1			$16.2
			Year ended December 31, 2012	11.7			3.1			—			1.3			13.5
			Year ended December 31, 2011	12.8			3.7			—			4.8			11.7

(a)	Accumulated provision for uncollectible accounts: In accordance with its regulatory treatment, certain amounts provided by WPL are recorded in regulatory assets.

(b)	Deductions are of the nature for which the reserves were created. In the case of the accumulated provision for uncollectible accounts, deductions from this reserve are reduced by recoveries of amounts previously written off.

(c)	Refer to Note 5(a) of the “Combined Notes to Consolidated Financial Statements” for discussion of IPL’s sales of accounts receivable program.

(d)	Other reserves are largely related to injury and damage claims arising in the ordinary course of business.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on the 25th day of February 2014.

ALLIANT ENERGY CORPORATION

	By: /s/ Patricia L. Kampling
	Patricia L. Kampling
	Chairman, President 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 registrant and in the capacities indicated on the 25th day of February 2014.

/s/	Patricia L. Kampling		Chairman, President, Chief Executive Officer and Director (Principal Executive Officer)
	Patricia L. Kampling
/s/	Thomas L. Hanson		Senior Vice President and Chief Financial Officer (Principal Financial Officer)
	Thomas L. Hanson
/s/	Robert J. Durian		Controller and Chief Accounting Officer (Principal Accounting Officer)
	Robert J. Durian

/s/	Patrick E. Allen		Director
	Patrick E. Allen
/s/	Michael L. Bennett		Director
	Michael L. Bennett
/s/	Darryl B. Hazel		Director
	Darryl B. Hazel
/s/	Singleton B. McAllister		Director
	Singleton B. McAllister
/s/	Ann K. Newhall		Director
	Ann K. Newhall
/s/	Dean C. Oestreich		Director
	Dean C. Oestreich
/s/	David A. Perdue		Director
	David A. Perdue
/s/	Carol P. Sanders		Director
	Carol P. Sanders
/s/	Susan D. Whiting		Director
	Susan D. Whiting

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on the 25th day of February 2014.

INTERSTATE POWER AND LIGHT COMPANY

	By: /s/ Patricia L. Kampling
	Patricia L. Kampling
	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 registrant and in the capacities indicated on the 25th day of February 2014.

/s/	Patricia L. Kampling		Chairman, Chief Executive Officer and Director (Principal Executive Officer)
	Patricia L. Kampling
/s/	Thomas L. Hanson		Senior Vice President and Chief Financial Officer (Principal Financial Officer)
	Thomas L. Hanson
/s/	Robert J. Durian		Controller and Chief Accounting Officer (Principal Accounting Officer)
	Robert J. Durian

/s/	Patrick E. Allen		Director
	Patrick E. Allen
/s/	Michael L. Bennett		Director
	Michael L. Bennett
/s/	Darryl B. Hazel		Director
	Darryl B. Hazel
/s/	Singleton B. McAllister		Director
	Singleton B. McAllister
/s/	Ann K. Newhall		Director
	Ann K. Newhall
/s/	Dean C. Oestreich		Director
	Dean C. Oestreich
/s/	David A. Perdue		Director
	David A. Perdue
/s/	Carol P. Sanders		Director
	Carol P. Sanders
/s/	Susan D. Whiting		Director
	Susan D. Whiting

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on the 25th day of February 2014.

WISCONSIN POWER AND LIGHT COMPANY

	By: /s/ Patricia L. Kampling
	Patricia L. Kampling
	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 registrant and in the capacities indicated on the 25th day of February 2014.

/s/	Patricia L. Kampling		Chairman, Chief Executive Officer and Director (Principal Executive Officer)
	Patricia L. Kampling
/s/	Thomas L. Hanson		Senior Vice President and Chief Financial Officer (Principal Financial Officer)
	Thomas L. Hanson
/s/	Robert J. Durian		Controller and Chief Accounting Officer (Principal Accounting Officer)
	Robert J. Durian

/s/	Patrick E. Allen		Director
	Patrick E. Allen
/s/	Michael L. Bennett		Director
	Michael L. Bennett
/s/	Darryl B. Hazel		Director
	Darryl B. Hazel
/s/	Singleton B. McAllister		Director
	Singleton B. McAllister
/s/	Ann K. Newhall		Director
	Ann K. Newhall
/s/	Dean C. Oestreich		Director
	Dean C. Oestreich
/s/	David A. Perdue		Director
	David A. Perdue
/s/	Carol P. Sanders		Director
	Carol P. Sanders
/s/	Susan D. Whiting		Director
	Susan D. Whiting

ALLIANT ENERGY CORPORATION

INTERSTATE POWER AND LIGHT COMPANY

WISCONSIN POWER AND LIGHT COMPANY

Exhibit Index to Annual Report on Form 10-K

For the fiscal year ended December 31, 2013

The following Exhibits are filed herewith or incorporated herein by reference.

Pursuant to Item 601(b)(4)(iii) of Regulation S-K, the registrants agree to furnish to the Securities and Exchange Commission, upon request, any instrument defining the rights of holders of unregistered long-term debt not filed as an exhibit to this combined Form 10-K. No such instrument authorizes securities in excess of 10% of the total assets of Alliant Energy, IPL or WPL, as the case may be.

Exhibit Number		Description
3.1		Restated Articles of Incorporation of Alliant Energy, as amended (incorporated by reference to Exhibit 4.1 to Alliant Energy’s Registration Statement on Form S-8, dated July 26, 2004 (Reg. No. 333-117654))
3.2		Restated Bylaws of Alliant Energy, effective May 10, 2013 (incorporated by reference to Exhibit 3.1 to Alliant Energy’s Form 8-K, dated May 9, 2013 (File No. 1-9894))
3.3		Amended and Restated Articles of Incorporation of WPL, effective May 9, 2013 (incorporated by reference to Exhibit 3.4 to WPL’s Form 8-K, dated May 9, 2013 (File No. 0-337))
3.4		Restated Bylaws of WPL, effective May 10, 2013 (incorporated by reference to Exhibit 3.5 to WPL’s Form 8-K, dated May 9, 2013 (File No. 0-337))
3.5		Amended and Restated Articles of Incorporation of IPL, effective May 10, 2013 (incorporated by reference to Exhibit 3.2 to IPL’s Form 8-K, dated May 9, 2013 (File No. 1-4117))
3.6		Articles of Amendment of IPL (Regarding Designation and Authorization of 5.1% Series D Cumulative Perpetual Preferred Stock) (incorporated by reference to Exhibit 3.1 to IPL’s Form 8-K, dated March 14, 2013 (File No. 1-4117))
3.7		Restated Bylaws of IPL, effective May 10, 2013 (incorporated by reference to Exhibit 3.3 to IPL’s Form 8-K, dated May 9, 2013 (File No. 1-4117))
4.1		Third Amended and Restated Five Year Credit Agreement, dated December 14, 2011, among Alliant Energy and the Banks set forth therein (incorporated by reference to Exhibit 99.1 to Alliant Energy’s Form 8-K, dated December 14, 2011 (File No. 1-9894))
4.2		Senior Note Indenture, dated as of September 30, 2009, between Alliant Energy and Wells Fargo Bank, N.A. (incorporated by reference to Exhibit 4.28 to Alliant Energy’s Registration Statement on Form S-3 (Reg. No. 333-162214))
4.3		Officer’s Certificate, dated as of September 30, 2009, creating Alliant Energy’s 4.00% Senior Notes due October 15, 2014 (incorporated by reference to Exhibit 4.2 to Alliant Energy’s Form 8-K, dated September 30, 2009 (File No. 1-9894))
4.4		Amended and Restated Rights Agreement, dated as of December 11, 2008, between Alliant Energy and Wells Fargo Bank, N.A. (incorporated by reference to Exhibit 4.1 to Alliant Energy’s Registration Statement on Form 8-A/A, dated December 11, 2008 (File No. 1-9894))
4.5		Third Amended and Restated Five Year Credit Agreement, dated December 14, 2011, among WPL and the Banks set forth therein (incorporated by reference to Exhibit 99.3 to WPL’s Form 8-K, dated December 14, 2011 (File No. 0-337))
4.6		Indenture, dated as of June 20, 1997, between WPL and Wells Fargo Bank, N.A., Successor, as Trustee (incorporated by reference to Exhibit 4.33 to Amendment No. 2 to WPL’s Registration Statement on Form S-3 (Reg. No. 033-60917))
4.7		Officers’ Certificate, dated as of July 28, 2004, creating WPL’s 6.25% Debentures due July 31, 2034 (incorporated by reference to Exhibit 4.1 to WPL’s Form 8-K, dated July 30, 2004 (File No. 0-337))
4.8		Officers’ Certificate, dated as of August 8, 2007, creating WPL’s 6.375% Debentures due August 15, 2037 (incorporated by reference to Exhibit 4.1 to WPL’s Form 8-K, dated August 8, 2007 (File No. 0-337))
4.9		Officer’s Certificate, dated as of October 1, 2008, creating WPL’s 7.60% Debentures due October 1, 2038 (incorporated by reference to Exhibit 4.2 to WPL’s Form 8-K, dated October 1, 2008 (File No. 0-337))
4.10		Officers’ Certificate, dated as of July 7, 2009, creating WPL’s 5.00% Debentures due July 15, 2019 (incorporated by reference to Exhibit 4.2 to WPL’s Form 8-K, dated July 7, 2009 (File No. 0-337))

4.11		Officers’ Certificate, dated as of June 10, 2010, creating WPL’s 4.60% Debentures due June 15, 2020 (incorporated by reference to Exhibit 4.2 to WPL’s Form 8-K, dated June 10, 2010 (File No. 0-337))
4.12		Officers’ Certificate, dated as of November 19, 2012, creating WPL’s 2.25% Debentures due November 15, 2022 (incorporated by reference to Exhibit 4.1 to WPL’s Form 8-K, dated November 14, 2012 (File No. 0-337))
4.13		Third Amended and Restated Five Year Credit Agreement, dated December 14, 2011, among IPL and the Banks set forth therein (incorporated by reference to Exhibit 99.2 to IPL’s Form 8-K, dated December 14, 2011 (File No. 1-4117))
4.14		Indenture (For Senior Unsecured Debt Securities), dated as of August 20, 2003, between IPL and The Bank of New York Mellon Trust Co., N.A. (f/k/a The Bank of New York Trust Co., N.A.), as Trustee (incorporated by reference to Exhibit 4.11 to IPL’s Registration Statement on Form S-3 (Reg. No. 333-108199))
4.15		Officer’s Certificate, dated as of September 10, 2003, creating IPL’s 5.875% Senior Debentures due September 15, 2018 (incorporated by reference to Exhibit 4.1 to IPL’s Form 8-K, dated September 10, 2003 (File No. 1-4117))
4.16		Officer’s Certificate, dated as of October 14, 2003, creating IPL’s 6.45% Senior Debentures due October 15, 2033 (incorporated by reference to Exhibit 4.1 to IPL’s Form 8-K, dated October 14, 2003 (File No. 1-4117))
4.17		Officer’s Certificate, dated as of May 3, 2004, creating IPL’s 6.30% Senior Debentures due May 1, 2034 (incorporated by reference to Exhibit 4.1 to IPL’s Form 8-K, dated May 3, 2004 (File No. 1-4117))
4.17a		Officer’s Certificate, dated as of August 2, 2004, reopening IPL’s 6.30% Senior Debentures due May 1, 2034 (incorporated by reference to Exhibit 4.1 to IPL’s Form 8-K, dated August 2, 2004 (File No. 1-4117))
4.18		Officer’s Certificate, dated as of July 18, 2005, creating IPL’s 5.50% Senior Debentures due July 15, 2025 (incorporated by reference to Exhibit 4 to IPL’s Form 8-K, dated July 18, 2005 (File No. 1-4117))
4.19		Officer’s Certificate, dated as of October 1, 2008, creating IPL’s 7.25% Senior Debentures due October 1, 2018 (incorporated by reference to Exhibit 4.1 to IPL’s Form 8-K, dated October 1, 2008 (File No. 1-4117))
4.20		Officer’s Certificate, dated as of July 7, 2009, creating IPL’s 6.25% Senior Debentures due July 15, 2039 (incorporated by reference to Exhibit 4.1 to IPL’s Form 8-K, dated July 7, 2009 (File No. 1-4117))
4.21		Officer’s Certificate, dated as of June 10, 2010, creating IPL’s 3.30% Senior Debentures due June 15, 2015 (incorporated by reference to Exhibit 4.1 to IPL’s Form 8-K, dated June 10, 2010 (File No. 1-4117))
4.22		Officer’s Certificate, dated as of August 23, 2010, creating IPL’s 3.65% Senior Debentures due September 1, 2020 (incorporated by reference to Exhibit 4.1 to IPL’s Form 8-K, dated August 23, 2010 (File No. 1-4117))
4.23		Officer’s Certificate, dated as of October 8, 2013, creating IPL’s 4.70% Senior Debentures due October 15, 2043 (incorporated by reference to Exhibit 4.1 to IPL’s Form 8-K, dated October 3, 2013 (File No. 1-4117))
4.24		Form of Preferred Stock Certificate of IPL (incorporated by reference to Exhibit 4.1 to IPL’s Form 8-K, dated March 14, 2013 (File No. 1-4117))
10.1		Operating Agreement of ATC, dated as of January 1, 2001 (incorporated by reference to Exhibit 10.16 to WPL’s Form 10-K for the year 2000 (File No. 0-337))
10.2#		OIP (incorporated by reference to Appendix A to Alliant Energy’s definitive proxy statement filed on Schedule 14A on April 1, 2010 (File No. 1-9894))
10.2a#		Amendment to the OIP (incorporated by reference to Exhibit 10.1 to Alliant Energy’s Form 8-K, dated December 1, 2011 (File No. 1-9894))
10.2b#		Form of Performance Share Agreement pursuant to the OIP (incorporated by reference to Exhibit 10.5a to Alliant Energy’s Form 10-K for the year 2010 (File No. 1-9894))
10.2c#		Form of Performance Share Agreement pursuant to the OIP, amended in 2012 (incorporated by reference to Exhibit 10.4c to Alliant Energy’s Form 10-K for the year 2011 (File No. 1-9894))
10.2d#		Form of Performance Contingent Restricted Stock Agreement pursuant to the OIP (incorporated by reference to Exhibit 10.5b to Alliant Energy’s Form 10-K for the year 2010 (File No. 1-9894))
10.2e#		Form of Performance Contingent Restricted Stock Agreement pursuant to the OIP, amended in 2012 (incorporated by reference to Exhibit 10.4e to Alliant Energy’s Form 10-K for the year 2011 (File No. 1-9894))
10.2f#		Form of Restricted Stock Agreement pursuant to the OIP (incorporated by reference to Exhibit 10.1 to Alliant Energy’s Form 10-Q for the quarter ended March 31, 2011 (File No. 1-9894))

10.2g#		Form of Restricted Stock Agreement pursuant to the OIP, amended in 2012 (incorporated by reference to Exhibit 10.4g to Alliant Energy’s Form 10-K for the year 2011 (File No. 1-9894))
10.3#		DLIP, for director-level employees (incorporated by reference to Exhibit 10.6 to Alliant Energy’s Form 10-K for the year 2010 (File No. 1-9894))
10.3a#		Form of Restricted Cash Agreement pursuant to the DLIP (incorporated by reference to Exhibit 10.6a to Alliant Energy’s Form 10-K for the year 2010 (File No. 1-9894))
10.3b#		Form of Performance Restricted Award Agreement pursuant to the DLIP (incorporated by reference to Exhibit 10.6b to Alliant Energy’s Form 10-K for the year 2010 (File No. 1-9894))
10.3c#		DLIP, for director-level employees, amended in 2012 (incorporated by reference to Exhibit 10.5c to Alliant Energy’s Form 10-K for the year 2011 (File No. 1-9894))
10.3d#		Form of Restricted Cash Agreement pursuant to the DLIP, amended in 2012 (incorporated by reference to Exhibit 10.5d to Alliant Energy’s Form 10-K for the year 2011 (File No. 1-9894))
10.3e#		Form of Performance Restricted Award Agreement pursuant to the DLIP, amended in 2012 (incorporated by reference to Exhibit 10.5e to Alliant Energy’s Form 10-K for the year 2011 (File No. 1-9894))
10.4#		DCP, as amended and restated effective January 1, 2011 (incorporated by reference to Exhibit 10.1 to Alliant Energy’s Form 8-K, dated December 8, 2010 (File No. 1-9894))
10.4a#		Amendment to the DCP, as amended and restated (incorporated by reference to Exhibit 10.2 to Alliant Energy’s Form 8-K, dated December 1, 2011 (File No. 1-9894))
10.5#		Alliant Energy Rabbi Trust Agreement for DCPs (incorporated by reference to Exhibit 10.19 to Alliant Energy’s Form 10-K for the year 2005 (File No. 1-9894))
10.6#		Alliant Energy Excess Retirement Plan (incorporated by reference to Exhibit 10.1 to Alliant Energy’s Form 10-Q for the quarter ended September 30, 2008 (File No. 1-9894))
10.6a#		Amendment to the Alliant Energy Excess Retirement Plan (incorporated by reference to Exhibit 10.4 to Alliant Energy’s Form 8-K, dated December 1, 2011 (File No. 1-9894))
10.7#		Form of SRP Agreement by and between Alliant Energy and each of T.L. Aller, T.L. Hanson, P.L. Kampling and J.O. Larsen (incorporated by reference to Exhibit 10.3 to Alliant Energy’s Form 8-K, dated December 10, 2008 (File No. 1-9894))
10.8#		Alliant Energy Defined Contribution SRP (incorporated by reference to Exhibit 10.1 to Alliant Energy’s Form 10-Q for the quarter ended September 30, 2010 (File No. 1-9894))
10.8a#		Amendment to the Alliant Energy Defined Contribution SRP (incorporated by reference to Exhibit 10.3 to Alliant Energy’s Form 8-K, dated December 1, 2011 (File No. 1-9894))
10.9#		Form of KEESA, by and between Alliant Energy and P.L. Kampling (incorporated by reference to Exhibit 10.1 to Alliant Energy’s Form 8-K, dated October 27, 2010 (File No. 1-9894))
10.10#		Form of KEESA, by and between Alliant Energy and each of T.L. Aller, J.H. Gallegos, T.L. Hanson, D.R. Kopp and J.O. Larsen (incorporated by reference to Exhibit 10.3 to Alliant Energy’s Form 10-Q for the quarter ended June 30, 2008 (File No. 1-9894))
10.11#		Form of Amendment Number One to KEESA, by and between Alliant Energy and each of P.L. Kampling, T.L. Aller, J.H. Gallegos, T.L. Hanson, D.R. Kopp and J.O. Larsen (incorporated by reference to Exhibit 10.6 to Alliant Energy’s Form 8-K, dated December 1, 2011 (File No. 1-9894))
10.12#		Executive Severance Benefit under the Alliant Energy Severance Plan Summary Plan Description, effective March 19, 2008 (incorporated by reference to Exhibit 10.1 to Alliant Energy’s Form 8-K, dated March 19, 2008 (File No. 1-9894))
10.12a#		Amendment to the Executive Severance Benefit under the Alliant Energy Severance Plan Summary Plan Description (incorporated by reference to Exhibit 10.5 to Alliant Energy’s Form 8-K, dated December 1, 2011 (File No. 1-9894))
10.13#		Executive Employee Reimbursement Agreement, by and between Alliant Energy and R.J. Durian
10.14#		Summary of Compensation and Benefits for Non-Employee Directors of Alliant Energy, IPL and WPL, effective January 1, 2014
12.1		Ratio of Earnings to Fixed Charges for Alliant Energy
12.2		Ratio of Earnings to Fixed Charges and Ratio of Earnings to Combined Fixed Charges and Preferred Dividend Requirements for IPL
12.3		Ratio of Earnings to Fixed Charges for WPL
21.1		Subsidiaries of Alliant Energy

21.2		Subsidiaries of WPL
23.1		Consent of Independent Registered Public Accounting Firm for Alliant Energy
23.2		Consent of Independent Registered Public Accounting Firm for IPL
23.3		Consent of Independent Registered Public Accounting Firm for WPL
31.1		Certification of the Chairman, President and CEO for Alliant Energy
31.2		Certification of the Senior VP and CFO for Alliant Energy
31.3		Certification of the Chairman and CEO for IPL
31.4		Certification of the Senior VP and CFO for IPL
31.5		Certification of the Chairman and CEO for WPL
31.6		Certification of the Senior VP and CFO for WPL
32.1		Written Statement of the CEO and CFO Pursuant to 18 U.S.C.§1350 for Alliant Energy
32.2		Written Statement of the CEO and CFO Pursuant to 18 U.S.C.§1350 for IPL
32.3		Written Statement of the CEO and CFO Pursuant to 18 U.S.C.§1350 for WPL
101.INS*		XBRL Instance Document
101.SCH*		XBRL Taxonomy Extension Schema Document
101.CAL*		XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB*		XBRL Taxonomy Extension Label Linkbase Document
101.PRE*		XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF*		XBRL Taxonomy Extension Definition Linkbase Document

A management contract or compensatory plan or arrangement.

• Filed as Exhibit 101 to this report are the following documents formatted in XBRL: (i) Alliant Energy’s, IPL’s and WPL’s Consolidated Statements of Income for the years ended December 31, 2013, 2012 and 2011; (ii) Alliant Energy’s, IPL’s and WPL’s Consolidated Balance Sheets as of December 31, 2013 and 2012; (iii) Alliant Energy’s, IPL’s and WPL’s Consolidated Statements of Cash Flows for the years ended December 31, 2013, 2012 and 2011; (iv) Alliant Energy’s, IPL’s and WPL’s Consolidated Statements of Common Equity for the years ended December 31, 2013, 2012 and 2011; and (v) the Combined Notes to Consolidated Financial Statements.