15 minute ISP

Pursuant to Article 53 of the Commission Regulation (EU) 2017/2195 of 23 November 2017 establishing a guideline on electricity balancing (hereinafter – EB GL), all transmission system operators are required to implement 15 minute imbalance settlement period (hereinafter – ISP).

As currently common Baltic balancing market with harmonized imbalance settlement is operated in Estonia, Latvia and Lithuania with 60 minute ISP, Baltic transmission system operators Elering AS (Elering), AS Augstsprieguma tīkls (AST) and LITGRID AB (LITGRID) (hereinafter – Baltic TSOs) have analysed required changes to implement 15 minute ISP in electricity markets operated in Baltic states and prepared Baltic 15 minute ISP implementation concept document (hereinafter – Concept document).

Concept document includes Baltic TSOs' proposal for implementation of 15 minute ISP with relevant changes to intraday market, balancing market, metering data management and settlement rules. Implementation of 15 minute ISP shall be completed by the end of 2020 pursuant to Article 53 of EB GL, therefore high level roadmap with involved responsible parties is also included in the Concept document.