Nota 15.1 CO 2 emission rights
| CO2 emission rights owned (number of units) | 2015 | 2014 |
|---|---|---|
| Balance at the beginning of the period (units owned) | 8 882 174 | 3 989 933 |
| Redeemed | (7 883 176) | (7 943 092) |
| Allocated | 4 829 503 | 9 999 186 |
| Acquired | 1 923 658 | 2 836 147 |
| Balance at the end of the period (units owned and recognised as receivable) | 7 752 159 | 8 882 174 |
| Emission in the reporting period | 7 892 470 | 7 851 644 |
In 2016, due to the realisation of investment expenditures in years 2013-2015, the Group will additionally receive 492 158 CO2 emission rights. As at 31 December 2015, the rights have not yet been registered in the Group’s account.
