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Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Cash flows from operating activities: |  |
Net income | $ 147.9 | $ 108.7
Adjustments to reconcile net income to net cash flows from operating activities: |  |
Depreciation and amortization | 185.3 | 164.3
Other amortizations | 19.3 | 27.6
Deferred tax expense (benefit) and investment tax credits | 40.8 | 56.3
Equity income from unconsolidated investments, net | (21.6) | (20.0)
Distributions from equity method investments | 17.4 | 16.8
Other | (9.6) | (7.6)
Other changes in assets and liabilities: |  |
Accounts receivable | (16.4) | 54.0
Sales of accounts receivable | 5.0 | (27.0)
Derivative assets | (34.3) | (28.7)
Accounts payable | 53.3 | 28.9
Regulatory liabilities | (15.1) | (43.5)
Deferred income taxes | 43.4 | 26.7
Other | 7.9 | (17.3)
Net cash flows from operating activities | 423.3 | 339.2
Cash flows used for investing activities: |  |
Utility construction and acquisition expenditures | (341.5) | (247.3)
Alliant Energy Corporate Services, Inc. and non-regulated businesses | (27.5) | (75.1)
Proceeds from Franklin County wind project cash grant | 62.4 | 0
Other | (15.6) | 0.6
Net cash flows used for investing activities | (322.2) | (321.8)
Cash flows from (used for) financing activities: |  |
Common stock dividends | (104.2) | (99.7)
Preferred dividends paid by subsidiaries | (6.3) | (7.9)
Payments to redeem cumulative preferred stock | (211.0) | 0
Proceeds from issuance of cumulative preferred stock | 200.0 | 0
Net change in commercial paper | 10.6 | 110.0
Other | 0.1 | (0.4)
Net cash flows from (used for) financing activities | (110.8) | 2.0
Net increase (decrease) in cash and cash equivalents | (9.7) | 19.4
Cash and cash equivalents at beginning of period | 21.2 | 11.4
Cash and cash equivalents at end of period | 11.5 | 30.8
Supplemental cash flows information: |  |
Interest, net of capitalized interest | 86.7 | 77.4
Income taxes, net of refunds | (9.7) | (0.9)
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 94.1 | 100.3
IPL [Member] |  |
Cash flows from operating activities: |  |
Net income | 56.2 | 18.1
Adjustments to reconcile net income to net cash flows from operating activities: |  |
Depreciation and amortization | 95.2 | 93.8
Deferred tax expense (benefit) and investment tax credits | (6.0) | 8.2
Other | (2.7) | 1.8
Other changes in assets and liabilities: |  |
Accounts receivable | (33.7) | (0.5)
Sales of accounts receivable | 5.0 | (27.0)
Derivative assets | (27.6) | (20.9)
Accounts payable | 51.3 | 13.1
Regulatory liabilities | (27.1) | (61.5)
Accrued taxes | 10.4 | 23.4
Deferred income taxes | 43.1 | 25.7
Other | 9.6 | 2.2
Net cash flows from operating activities | 173.7 | 76.4
Cash flows used for investing activities: |  |
Utility construction and acquisition expenditures | (180.0) | (109.9)
Other | (9.8) | (10.4)
Net cash flows used for investing activities | (189.8) | (120.3)
Cash flows from (used for) financing activities: |  |
Common stock dividends | (63.5) | (60.8)
Preferred dividends paid by subsidiaries | (5.7) | (6.2)
Capital contributions from parent | 60.0 | 50.0
Payments to redeem cumulative preferred stock | (150.0) | 0
Proceeds from issuance of cumulative preferred stock | 200.0 | 0
Net change in commercial paper | (21.3) | 58.3
Other | (2.8) | 3.3
Net cash flows from (used for) financing activities | 16.7 | 44.6
Net increase (decrease) in cash and cash equivalents | 0.6 | 0.7
Cash and cash equivalents at beginning of period | 4.5 | 2.1
Cash and cash equivalents at end of period | 5.1 | 2.8
Supplemental cash flows information: |  |
Interest, net of capitalized interest | 41.5 | 39.2
Income taxes, net of refunds | 2.2 | (15.4)
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 56.2 | 61.1
WPL [Member] |  |
Cash flows from operating activities: |  |
Net income | 78.0 | 68.0
Adjustments to reconcile net income to net cash flows from operating activities: |  |
Depreciation and amortization | 86.3 | 69.0
Other amortizations | 14.4 | 21.8
Deferred tax expense (benefit) and investment tax credits | 39.1 | 43.3
Equity income from unconsolidated investments, net | (21.6) | (20.7)
Distributions from equity method investments | 17.4 | 16.8
Other | (3.6) | (6.5)
Other changes in assets and liabilities: |  |
Accounts receivable | 19.7 | 8.4
Income tax refunds receivable | 1.3 | (10.9)
Regulatory liabilities | 12.0 | 18.0
Accrued taxes | (17.3) | (3.9)
Other | (0.5) | (21.4)
Net cash flows from operating activities | 225.2 | 181.9
Cash flows used for investing activities: |  |
Utility construction and acquisition expenditures | (161.5) | (137.4)
Other | (2.8) | 4.0
Net cash flows used for investing activities | (164.3) | (133.4)
Cash flows from (used for) financing activities: |  |
Common stock dividends | (58.2) | (56.0)
Preferred dividends paid by subsidiaries | (0.6) | (1.7)
Payments to redeem cumulative preferred stock | (61.0) | 0
Net change in commercial paper | 62.3 | 9.9
Other | (1.6) | (0.9)
Net cash flows from (used for) financing activities | (59.1) | (48.7)
Net increase (decrease) in cash and cash equivalents | 1.8 | (0.2)
Cash and cash equivalents at beginning of period | 0.7 | 2.7
Cash and cash equivalents at end of period | 2.5 | 2.5
Supplemental cash flows information: |  |
Interest, net of capitalized interest | 42.5 | 40.0
Income taxes, net of refunds | 8.5 | 15.8
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | $ 36.8 | $ 20.8

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