| EUR 1 000 | 2018 | 2017 |
| Operating activities | ||
| Operating profit/loss | 1 353 | 6 769 |
| Adjustments to operating profit /loss 1) | 52 665 | 50 798 |
| Changes in working capital 2) | -7 603 | -29 390 |
| Interest paid and other financial expenses | -3 634 | -4 272 |
| Interest received | 3 876 | 5 734 |
| Cash flow from operating activities | 46 657 | 29 639 |
Investing activities | | |
| Acquisition of shares | 0 | -6 |
| Acquisition of non-current assets | -626 625 | -292 745 |
| OL3 EPR project compensation | 328 000 | 0 |
| Investments in fund units | 0 | 200 000 |
| Proceeds from sale of other investments | 0 | 486 |
| Proceeds from sale of intangible and tangible assets | 15 | 41 |
| Loan receivables granted | -10 867 | -15 603 |
| Repayments of loans granted | 240 | 387 279 |
| Cash flow from investing activities | -309 237 | 279 451 |
Financing activities | | |
| Reduction of share capital | -5 825 | 0 |
| Withdrawals of long-term loans | 904 993 | 200 000 |
| Repayment of long-term loans | -717 926 | -630 426 |
| Increase (+) or decrease (-) in short-term interest-bearing liabilities | 161 416 | -50 948 |
| Group contribution received | 353 | 388 |
| Cash flow from financing activities | 343 011 | -480 985 |
| | ||
| Change in cash and cash equivalents | 80 431 | -171 896 |
| Cash and cash equivalents 1 Jan | 139 620 | 311 516 |
| Cash and cash equivalents 31 Dec | 220 051 | 139 620 |
1) Adjustments to operating profit/loss | ||
| Depreciation and write-downs | 52 651 | 51 022 |
| Gain (-) or loss (+) from divestment of non-current assets | 14 | -224 |
| Total | 52 665 | 50 798 |
2) Changes in working capital | ||
| Increase (-) or decrease (+) in inventories | -3 503 | -7 666 |
| Increase (-) or decrease (+) in non-interest-bearing receivables | -5 870 | 24 949 |
| Increase (+) or decrease (-) in short-term non-interest-bearing liabilities | 1 770 | -46 673 |
| Total | -7 603 | -29 390 |
