# Commission Regulation (EU) 2017/2195 of 23 November 2017 establishing a guideline on electricity balancing (Text with EEA relevance), Article 45: Balancing energy calculation

Extent: E+W+S+N.I.

1. As regards the settlement of balancing energy for at least the frequency restoration process and the reserve replacement process, each TSO shall establish a procedure for:
(a) the calculation of the activated volume of balancing energy based on requested or metered activation;
(b) claiming the recalculation of the activated volume of balancing energy.
2. Each TSO shall calculate the activated volume of balancing energy according to the procedures pursuant to paragraph 1(a) at least for:
(a) each imbalance settlement period;
(b) its imbalance areas;
(c) each direction, with a negative sign indicating relative withdrawal by the balancing service provider, and a positive sign indicating relative injection by the balancing service provider.
3. Each connecting TSO shall settle all activated volumes of balancing energy calculated pursuant to paragraph 2, with the concerned balancing service providers.

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Source: https://www.legislation.gov.uk/eur/2017/2195/article/45 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-2195/article-45
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.