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v3.6.0.2

Consolidated Statements Of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cash flows from operating activities: |  |  |  |
Net income | $ 381.7 | $ 388.4 |  | $ 393.3
Adjustments to reconcile net income to net cash flows from operating activities: |  |  |  |
Depreciation and amortization | 411.6 | 401.3 |  | 388.1
Other amortizations | (4.8) | 12.4 |  | 54.2
Deferred tax expense (benefit) and tax credits | 84.6 | 114.2 |  | 55.2
Equity (income) loss from unconsolidated investments, net | (39.6) | (33.8) |  | (40.4)
Distributions from equity method investments | 28.3 | 30.6 |  | 36.4
Equity component of allowance for funds used during construction | (42.3) | (24.4) |  | (23.1)
Asset valuation charges for Franklin County wind farm | 86.4 | 0.0 |  | 0.0
Other | 0.8 | 15.7 |  | 2.0
Other changes in assets and liabilities: |  |  |  |
Accounts receivable | (121.4) | 36.8 |  | 48.7
Sales of accounts receivable | 16.0 | (17.0) |  | (7.0)
Regulatory assets | (3.6) | (104.5) |  | (439.8)
Regulatory liabilities | (63.0) | (67.8) |  | 10.8
Deferred income taxes | 102.4 | 94.6 |  | 138.4
Pension and other benefit obligations | 38.1 | 30.1 |  | 215.1
Other | (15.6) | (5.4) |  | 59.7
Net cash flows from operating activities | 859.6 | 871.2 |  | 891.6
Cash flows from (used for) investing activities: |  |  |  |
Utility business construction and acquisition expenditures | (1,142.7) | (963.6) |  | (838.9)
Alliant Energy Corporate Services, Inc. and non-regulated businesses construction and acquisition expenditures | (54.1) | (70.7) |  | (63.9)
Proceeds from Minnesota electric and natural gas distribution asset sales | 0.0 | 139.9 |  | 0.0
Other | 10.3 | (24.8) |  | (14.9)
Net cash flows from (used for) investing activities | (1,186.5) | (919.2) |  | (917.7)
Cash flows from (used for) financing activities: |  |  |  |
Common stock dividends | (266.5) | (247.3) |  | (225.8)
Proceeds from issuance of common stock, net | 26.6 | 151.2 | [1] | 0.0
Proceeds from issuance of long-term debt | 800.0 | 250.7 |  | 812.9
Payments to retire long-term debt | (313.4) | (183.0) |  | (358.5)
Net change in commercial paper | 84.3 | 18.5 |  | (138.1)
Other | (1.7) | 6.8 |  | (17.3)
Net cash flows from (used for) financing activities | 329.3 | (3.1) |  | 73.2
Net increase (decrease) in cash and cash equivalents | 2.4 | (51.1) |  | 47.1
Cash and cash equivalents at beginning of period | 5.8 | 56.9 |  | 9.8
Cash and cash equivalents at end of period | 8.2 | 5.8 |  | 56.9
Supplemental cash flows information: |  |  |  |
Interest, net of capitalized interest | (192.4) | (184.8) |  | (180.8)
Income taxes, net | (9.8) | 0.0 |  | 5.3
Significant non-cash investing and financing activities: |  |  |  |
Accrued capital expenditures | 154.4 | 148.3 |  | 160.3
IPL [Member] |  |  |  |
Cash flows from operating activities: |  |  |  |
Net income | 225.8 | 196.2 |  | 191.8
Adjustments to reconcile net income to net cash flows from operating activities: |  |  |  |
Depreciation and amortization | 210.8 | 207.2 |  | 197.5
Deferred tax expense (benefit) and tax credits | 35.6 | 28.9 |  | (11.5)
Equity component of allowance for funds used during construction | (35.2) | (18.6) |  | (17.1)
Other | 2.9 | 19.5 |  | 11.3
Other changes in assets and liabilities: |  |  |  |
Accounts receivable | (59.7) | 20.4 |  | 43.3
Sales of accounts receivable | 16.0 | (17.0) |  | (7.0)
Regulatory assets | (54.7) | (76.3) |  | (272.9)
Accounts payable | 8.0 | (42.7) |  | 18.8
Regulatory liabilities | (67.3) | (75.5) |  | (18.9)
Deferred income taxes | 97.7 | 82.1 |  | 140.4
Pension and other benefit obligations | 13.1 | 17.8 |  | 93.8
Other | (31.1) | 43.0 |  | 36.6
Net cash flows from operating activities | 361.9 | 385.0 |  | 406.1
Cash flows from (used for) investing activities: |  |  |  |
Utility business construction and acquisition expenditures | (689.7) | (619.3) |  | (526.0)
Proceeds from Minnesota electric and natural gas distribution asset sales | 0.0 | 139.9 |  | 0.0
Other | (3.9) | (32.5) |  | (26.7)
Net cash flows from (used for) investing activities | (693.6) | (511.9) |  | (552.7)
Cash flows from (used for) financing activities: |  |  |  |
Common stock dividends | (151.9) | (140.0) |  | (140.0)
Capital contributions from parent | 190.0 | 165.0 |  | 90.0
Proceeds from issuance of long-term debt | 300.0 | 250.0 |  | 250.0
Payments to retire long-term debt | 0.0 | (150.0) |  | (38.4)
Other | (7.6) | 1.1 |  | (14.1)
Net cash flows from (used for) financing activities | 330.5 | 126.1 |  | 147.5
Net increase (decrease) in cash and cash equivalents | (1.2) | (0.8) |  | 0.9
Cash and cash equivalents at beginning of period | 4.5 | 5.3 |  | 4.4
Cash and cash equivalents at end of period | 3.3 | 4.5 |  | 5.3
Supplemental cash flows information: |  |  |  |
Interest, net of capitalized interest | (99.7) | (93.9) |  | (89.8)
Income taxes, net | (11.1) | 19.3 |  | 20.1
Significant non-cash investing and financing activities: |  |  |  |
Accrued capital expenditures | 53.8 | 77.0 |  | 113.2
WPL [Member] |  |  |  |
Cash flows from operating activities: |  |  |  |
Net income | 192.8 | 177.6 |  | 181.1
Adjustments to reconcile net income to net cash flows from operating activities: |  |  |  |
Depreciation and amortization | 192.5 | 184.3 |  | 181.2
Other amortizations | (8.7) | 5.3 |  | 47.3
Deferred tax expense (benefit) and tax credits | 114.5 | 77.6 |  | 82.6
Equity (income) loss from unconsolidated investments, net | (39.8) | (35.1) |  | (42.8)
Distributions from equity method investments | 28.3 | 30.6 |  | 36.4
Other | (6.3) | (5.7) |  | (7.2)
Other changes in assets and liabilities: |  |  |  |
Accounts receivable | (47.6) | 3.7 |  | 2.2
Regulatory assets | 51.1 | (28.2) |  | (166.9)
Pension and other benefit obligations | 19.1 | 8.3 |  | 92.0
Other | 25.5 | 31.4 |  | 18.5
Net cash flows from operating activities | 521.4 | 449.8 |  | 424.4
Cash flows from (used for) investing activities: |  |  |  |
Utility business construction and acquisition expenditures | (453.0) | (344.3) |  | (312.9)
Other | (25.9) | (13.9) |  | (7.2)
Net cash flows from (used for) investing activities | (478.9) | (358.2) |  | (320.1)
Cash flows from (used for) financing activities: |  |  |  |
Common stock dividends | (135.0) | (126.9) |  | (118.7)
Capital contributions from parent | 60.0 | 0.0 |  | 0.0
Proceeds from issuance of long-term debt | 0.0 | 0.0 |  | 250.0
Net change in commercial paper | 32.4 | 19.9 |  | (183.7)
Other | 3.9 | (30.9) |  | (5.7)
Net cash flows from (used for) financing activities | (38.7) | (137.9) |  | (58.1)
Net increase (decrease) in cash and cash equivalents | 3.8 | (46.3) |  | 46.2
Cash and cash equivalents at beginning of period | 0.4 | 46.7 |  | 0.5
Cash and cash equivalents at end of period | 4.2 | 0.4 |  | 46.7
Supplemental cash flows information: |  |  |  |
Interest, net of capitalized interest | (91.5) | (93.1) |  | (84.6)
Income taxes, net | 27.8 | (7.4) |  | (12.2)
Significant non-cash investing and financing activities: |  |  |  |
Accrued capital expenditures | 93.1 | 55.2 |  | 38.4
Transfer of investment in ATC and tax liability to ATI | $ (163.6) | $ 0.0 |  | $ 0.0
[1] | Amounts reflect the effects of a two-for-one common stock split distributed in May 2016.

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- Definition The increase (decrease) during the reporting period in regulated liabilities. Regulated liabilities are created when regulatory agency permits an entity to defer revenues to the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition The amount of cash paid for interest during the period net of cash paid for interest that is capitalized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=51831255 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831270 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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