The grid companies have major obligations attached to the electricity certificates system. In addition to informing those eligible for elecricity certificates in its network of which measurement points are provided or are withdrawn from the calculation-relevant amount of electrical energy, the grid company shall quarterly report the calculation-relevant volume per electicity certificates in its network area.

All grid companies shall by mid quarter inform the Electricity Certificate Register, NECS, about calculation relevant electricity quantity for each obliged to electricity certificats in its network area.

If the grid company makes a correction for the previous year after March 1, it will have consequences for the calculation of the amount of electrical energy already required by those eligible for electricity certificates. For more information about correcting the calculation-relevant amount of electrical energy after March 1 for the previous year.

The grid companies are also subject to the electricity certficates obligation when delivering to customers on delivery obligations.