# Commission Regulation (EU) 2017/1485 of 2 August 2017 establishing a guideline on electricity transmission system operation (Text with EEA relevance), Article 68: Updates of year-ahead individual ... grid models

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

1. When a TSO modifies or notices a modification of its best estimates for the variables used for determining its year-ahead individual grid model established in accordance with Article 66(1), which is significant for operational security, it shall update its year-ahead individual grid model ....
2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Source: https://www.legislation.gov.uk/eur/2017/1485/article/68 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-1485/article-68
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.