Article 143

The control target of the FRP shall be to: regulate the FRCE towards zero within the time to restore frequency; for the CE and Nordic synchronous areas, to progressively replace the activated FCR by activation of FRR in accordance with Article 145. The FRCE is: the ACE of an LFC area, where there is more than one LFC area in a synchronous area; or the frequency deviation, where one LFC area corresponds to the LFC block and the synchronous area. The ACE of a LFC area shall be calculated as the sum of the product of the K-Factor of the LFC area with the frequency deviation plus de subtraction of: the total interconnector and virtual tie-line active power flow; and the control program in accordance with Article 136. Where a LFC area consists of more than one monitoring area, all TSOs of the LFC area shall appoint one TSO in the LFC area operational agreement responsible for the implementation and operation of the frequency restoration process. Where a LFC area consists of more than one monitoring area, the frequency restoration process of this LFC area shall enable the control of the active power interchange of each monitoring area to a value determined as secure based on a real-time operational security analysis.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-04 · Text as adopted (Official Journal); later amendments are not incorporated in this text.