Common Equity And Preferred Stock (Tables)

9 Months Ended

Sep. 30, 2011

Common Equity And Preferred Stock

Common Stock Activity

Shares outstanding, Jan. 1	110,893,901
Equity incentive plans (Note 5(b))	127,090
Other (a)	(39,480	)
Shares outstanding, Sep. 30	110,981,511

(a) Includes shares transferred from employees to Alliant Energy to satisfy tax withholding requirements in connection with the vesting of certain restricted stock under the equity incentive plans.

Capital Transactions With Subsidiaries

	IPL		WPL
Common stock dividends to Alliant Energy	$	43.7	$	83.3
Repayments of capital to Alliant Energy		100.7		—