Automatic Frequency Restoration Reserve (aFRR), realised hourly transactions

Fingrid makes daily procurements of automatic frequency restoration reserves from power plants in Finland on the hourly market. In addition, Fingrid has the option of procuring some of the automatic frequency restoration reserves for which it is responsible for maintenance from Svenska kraftnät in Sweden. This page contains graphs of the realised hourly transactions (up-regulation and down-regulation capacity).

Realised hourly transactions, up-regulation capacity


Realised hourly transactions, down-regulation capacity


Certified aFRR capacity 14.12.2023

aFRR technology types.jpg


Joonas Muikku

tel. +358 30 395 4324

Tuomas Mattila 

tel. +358 30 395 4180