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Consolidated Statement of Cash Flow - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
CASH FLOW FROM OPERATIONS |  |  |
Net income for the year | R$ 1,002 | R$ 334 | R$ 2,469
Adjustments to reconcile net income to net cash flows: |  |  |
Income tax and Social Contribution taxes | 644 | 33 | 893
Depreciation and amortization | 850 | 834 | 835
Loss on write off of net residual value of unrecoverable Concession financial assets , PP&E and Intangible assets | 48 | 109 | 124
Gain on sale of investments | (197) | (315) |
Impairment of Investments |  | 763 |
Generation Indemnity Revenue | (271) |  |
Adjustment to BRR for transmission assets | (75) |  |
Share of loss (profit) of associates and joint ventures | 252 | 302 | (393)
Interest and monetary variation | 801 | 741 | 802
Appropriation of transaction costs | 67 | 68 | 16
Gain in accounts receivable from the MG State Govt.-AFAC | (239) |  |
Fair value gain (loss) on shareholding transaction |  |  | (729)
Provisions for operating losses | 854 | 704 | 1,401
Derivative financial instruments-Swap | 32 |  |
CVA (Portion A items Compensation) Account and Other financial components in tariff adjustments | (988) | 1,455 | (1,704)
Tax Anmesty Program (PRCT) | 283 |  |
Post-retirement obligation | (164) | 447 | 285
Total | 2,899 | 5,475 | 3,999
(Increase) / decrease in assets |  |  |
Customers and traders and Concession holders - Transport of electricity | (818) | (56) | (1,475)
Accounts Receivable from the State of Minas Gerais | 46 |  |
CVA and Other financial components in tariff adjustments | 586 | 341 | 1,529
Energy Development Account (CDE) | (10) | 8 | 273
Recoverable taxes | 10 | 19 | 167
Income and social contribution tax credit | (62) | (62) | (77)
Escrow deposits | (4) | (28) | (67)
Dividends received from investments | 354 | 683 | 487
Concession financial assets | 398 | (1,941) | 10
Advances to suppliers | (116) | (120) | (131)
Gas drawing rights | 537 | (193) | (141)
Others | 122 | 105 | (248)
Total (increase) / decrease in assets | 1,043 | (1,244) | 327
Increase (decrease) in liabilities |  |  |
Suppliers | 403 | 38 | 297
Taxes payable | (248) | 38 | 202
Income and social contribution taxes payable | 14 | 24 | (105)
Payroll and related charges | (18) | 4 | 26
Regulatory charges | (73) | 92 | 386
Advances from clients | 52 |  |
Post-retirement obligation | (282) | (239) | (208)
Derivative financial instruments - Put options | (830) | (150) |
Others | (357) | (167) | 156
Total increase (decrease) in liabilities | (1,339) | (360) | 754
Cash generated by operating activities | 2,603 | 3,871 | 5,080
Interest paid on loans and financings | (1,797) | (2,369) | (1,331)
Income and Social Contribution taxes paid | (226) | (289) | (741)
NET CASH FROM OPERATING ACTIVITIES | 580 | 1,213 | 3,008
INVESTING ACTIVITIES |  |  |
Marketable securities | (4) | 1,400 | (1,499)
Financial assets |  |  | (145)
Restricted cash | 261 | (367) | 1
Investments | 0 | 0 | 0
Acquisition of equity investees | (38) |  | (310)
Disposal of investments | 766 | 949 |
Capital contributions in investees | (254) | (1,455) | (181)
Property, plant and equipment | (83) | (120) | (126)
Intangible assets | (1,034) | (1,021) | (957)
NET CASH USED IN INVESTING ACTIVITIES | (386) | (614) | (3,217)
FINANCING ACTIVITIES |  |  |
Subscription of shares, to be capitalized | 1,215 |  |
Proceeds from Loans, financings and debentures | 3,308 | 5,737 | 5,739
Borrowing costs | (11) |  |
Payment of loans, financings and debentures | (4,131) | (5,591) | (4,696)
Interest on capital and dividends paid | (540) | (675) | (796)
NET CASH (USED IN) FROM FINANCING ACTIVITIES | (159) | (529) | 247
Net increase in cash and cash equivalents | 35 | 70 | 38
Cash and cash equivalents at the beginning of the year | 995 | 925 | 887
Cash and cash equivalents at the end of the year | R$ 1,030 | R$ 995 | R$ 925

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