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Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013
Cash flows from operating activities: |  |
Net income | $ 330.8 | $ 308.1
Adjustments to reconcile net income to net cash flows from operating activities: |  |
Depreciation and amortization | 288.4 | 277.4
Other amortizations | 41.9 | 29.1
Deferred taxes and investment tax credits | 54.2 | 92.2
Equity income from unconsolidated investments, net | (34.2) | (32.7)
Distributions from equity method investments | 27.2 | 26.6
Other | (21.3) | (14.1)
Other changes in assets and liabilities: |  |
Accounts receivable | 96.1 | (2.8)
Regulatory assets | (154.3) | (14.4)
Regulatory liabilities | 61.1 | (74.9)
Deferred income taxes | 109.5 | 75.4
Other | (35.5) | (26.8)
Net cash flows from operating activities | 763.9 | 643.1
Cash flows used for investing activities: |  |
Utility construction and acquisition expenditures | (587.4) | (524.4)
Alliant Energy Corporate Services, Inc. and non-regulated businesses construction and acquisition expenditures | (45.1) | (35.9)
Proceeds from Franklin County wind project cash grant | 0 | 62.4
Other | (7.9) | (15.3)
Net cash flows used for investing activities | (640.4) | (513.2)
Cash flows from (used for) financing activities: |  |
Common stock dividends | (169.3) | (156.2)
Preferred dividends paid by subsidiaries | (7.7) | (8.9)
Payments to redeem cumulative preferred stock | 0 | (211.0)
Proceeds from issuance of cumulative preferred stock | 0 | 200.0
Payments to retire long-term debt | (47.7) | (0.8)
Net change in commercial paper | 74.4 | 34.8
Other | 28.0 | 8.7
Net cash flows from (used for) financing activities | (122.3) | (133.4)
Net increase (decrease) in cash and cash equivalents | 1.2 | (3.5)
Cash and cash equivalents at beginning of period | 9.8 | 21.2
Cash and cash equivalents at end of period | 11.0 | 17.7
Supplemental cash flows information: |  |
Interest, net of capitalized interest | 131.8 | 128.5
Income taxes, net of refunds | (5.3) | (9.7)
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 141.1 | 100.5
IPL [Member] |  |
Cash flows from operating activities: |  |
Net income | 172.0 | 168.8
Adjustments to reconcile net income to net cash flows from operating activities: |  |
Depreciation and amortization | 146.9 | 142.8
Other | (12.8) | 1.2
Other changes in assets and liabilities: |  |
Accounts receivable | 66.1 | (43.0)
Regulatory assets | (126.1) | (9.8)
Regulatory liabilities | 14.8 | (68.3)
Deferred income taxes | 112.5 | 71.0
Other | 0.2 | (3.0)
Net cash flows from operating activities | 373.6 | 259.7
Cash flows used for investing activities: |  |
Utility construction and acquisition expenditures | (358.2) | (274.3)
Other | (18.3) | (15.5)
Net cash flows used for investing activities | (376.5) | (289.8)
Cash flows from (used for) financing activities: |  |
Common stock dividends | (105.0) | (95.7)
Preferred dividends paid by subsidiaries | (7.7) | (8.3)
Capital contributions from parent | 90.0 | 90.0
Payments to redeem cumulative preferred stock | 0 | (150.0)
Proceeds from issuance of cumulative preferred stock | 0 | 200.0
Payments to retire long-term debt | (38.4) | 0
Net change in commercial paper | 38.0 | (11.3)
Other | 26.2 | 7.2
Net cash flows from (used for) financing activities | 3.1 | 31.9
Net increase (decrease) in cash and cash equivalents | 0.2 | 1.8
Cash and cash equivalents at beginning of period | 4.4 | 4.5
Cash and cash equivalents at end of period | 4.6 | 6.3
Supplemental cash flows information: |  |
Interest, net of capitalized interest | 64.2 | 60.9
Income taxes, net of refunds | (21.0) | 10.7
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 96.7 | 57.4
WPL [Member] |  |
Cash flows from operating activities: |  |
Net income | 151.0 | 139.3
Adjustments to reconcile net income to net cash flows from operating activities: |  |
Depreciation and amortization | 135.0 | 129.0
Other amortizations | 36.1 | 21.9
Deferred taxes and investment tax credits | 58.4 | 71.6
Equity income from unconsolidated investments, net | (34.2) | (32.7)
Distributions from equity method investments | 27.2 | 26.6
Other | (7.3) | (5.4)
Other changes in assets and liabilities: |  |
Accounts receivable | 27.8 | 28.0
Regulatory assets | (28.2) | (4.6)
Derivative assets | (32.8) | 3.4
Regulatory liabilities | 46.3 | (6.6)
Other | (13.5) | (14.3)
Net cash flows from operating activities | 365.8 | 356.2
Cash flows used for investing activities: |  |
Utility construction and acquisition expenditures | (229.2) | (250.1)
Other | (4.6) | (2.3)
Net cash flows used for investing activities | (233.8) | (252.4)
Cash flows from (used for) financing activities: |  |
Common stock dividends | (89.1) | (87.2)
Payments to redeem cumulative preferred stock | 0 | (61.0)
Net change in commercial paper | (37.0) | 56.8
Other | (4.1) | (6.5)
Net cash flows from (used for) financing activities | (130.2) | (97.9)
Net increase (decrease) in cash and cash equivalents | 1.8 | 5.9
Cash and cash equivalents at beginning of period | 0.5 | 0.7
Cash and cash equivalents at end of period | 2.3 | 6.6
Supplemental cash flows information: |  |
Interest, net of capitalized interest | 65.6 | 65.9
Income taxes, net of refunds | 8.7 | (0.6)
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | $ 39.9 | $ 39.2

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