Capacity Calculation Methodology

ATC Extraction Description - Published 10 May 2022

Long-Term Capacity Calculation Methodology

Approved Methodology for Long-Term Capacity Calculation (ACER decision 16/2019)

Annexes to the ACER decision on Long-Term Capacity Calculation Methodology)

Day Ahead and Intraday Capacity Calculation Methodology

The National Regulatory Agencies (NRAs) in Denmark, Finland and Sweden have each approved the amended Methodology for Day Ahead and Intraday Capacity Calculation. The NRAs have made their decision in their own national language.

For Denmark:  Forsyningstilsynet decision 20/05093. For the NRA decision, supporting and legal document, please visit the website of the Danish Utility Regulator (Forsyningstilsynet)

For Sweden: Energimarknadsinspektionen decision 2020-102099. For the NRA decision, supporting and legal document, please visit the website of the Swedish Energy Markets Inspectorate (Energimarknadsinspektionen)

Overview of the approval process

Long-Term Capacity Calculation Methodology

  • October 30, 2019 – ACER decision to approve the Nordic LT CCM (Decision 16/2019)
  • May 15, 2019 – Nordic NRAs referred the LT CCM to ACER
  • January 16, 2019 – The Nordic TSOs submitted the LT CCM to the Nordic NRAs

Day Ahead and Intraday Capacity Calculation Methodology

  • October 14, 2020 – The Danish, Finnish, and Swedish NRA agreed to approve the amended DA/ID CCM. The NRAs have amended the implementation timeline in Article 26 of the legal document.
  • April 20, 2020 – The TSOs of the CCR Nordic amended the DA/ID CCM, in line with ACER’s decision on the LT CCM and submitted it to the Nordic NRAs. This amended DA/ID CCM was to replace entirely the earlier versions of the DA/ID CCM.
  • October / November 2019 – The Danish, Finnish, and Swedish NRA agreed to approve the amended DA/ID CCM
  • June 20, 2019 – Amended DA/ID CCM submitted by Energinet, Fingrid, and Svenska kraftnät.
  • December 20, 2018 – The Danish, Finnish, and Swedish NRA issued a request for amendment for the DA/ID CCM
  • July 16, 2018 – The Nordic NRAs approved the DA/ID CCM.