The Nordic TSOs are requested to submit the common proposal for the determination of LFC blocks according to SO GL

According to Article 141(2) of the Commission Regulation (EU) 2017/1485 of 2 August 2017 establishing a guideline on electricity transmission system operation (SO GL), the Nordic Transmission System Operators (TSOs) shall submit a joint proposal for the determination of the load frequency control blocks (LFC block) to the Nordic national regulatory authorities (NRAs) by 14 January 2018. Load-frequency control block’ or ‘LFC block’ means a part of a synchronous area or an entire synchronous area, physically demarcated by points of measurement at interconnectors to other LFC blocks, consisting of one or more LFC areas, operated by one or more TSOs fulfilling the obligations of load-frequency control.

The Nordic TSOs have not submitted the proposal within the deadline defined in the SO GL. The Nordic NRAs have therefore sent a letter to the TSOs requesting them to submit the proposal as soon as possible.