15.4. Change in provisions
| 2021 | 2020 | |
| Change in provisions presented in the statement of financial position | 3 543 | 2 215 |
| Usage of prior year provision for CO₂ emissions, energy certificates from previous year | 2 221 | 1 529 |
| Acquisition of subsidiaries | (40) | (1 788) |
|
incl.: ENERGA Group |
– | (1 718) |
| Increases/(Decreases) of environmental provision to property, plant and equipment | 139 | (187) |
| Actuarial gains and losses | 124 | (68) |
| Foreign exchange differences | (100) | (42) |
| Partial reversal of provisions relating to the Ostrołęka C power plant construction project | 212 | – |
| Other | – | 43 |
| Change in provisions in the statement of cash flows | 6 099 | 1 702 |