# Commission Regulation (EU) 2017/1485 of 2 August 2017 establishing a guideline on electricity transmission system operation (Text with EEA relevance), Article 4: Objectives and regulatory aspects

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

1. This Regulation aims at:
(a) determining common operational security requirements and principles;
(b) determining common ... system operational planning principles;
(c) determining common load-frequency control processes and control structures;
(d) ensuring the conditions for maintaining operational security ...;
(e) ensuring the conditions for maintaining a frequency quality level in the GB synchronous area;
(f) promoting the coordination of system operation and operational planning;
(g) ensuring and enhancing the transparency and reliability of information on transmission system operation;
(h) contributing to the efficient operation and development of the electricity transmission system and electricity sector ....
2. When applying this Regulation, the Secretary of State, the regulatory authority, and system operators shall:
(a) apply the principles of proportionality and non-discrimination;
(b) ensure transparency;
(c) apply the principle of optimisation between the highest overall efficiency and lowest total costs for all parties involved;
(d) ensure TSOs make use of market-based mechanisms as far as possible, to ensure network security and stability;
(e) respect the responsibility assigned to the relevant TSO in order to ensure system security ...;
(f) consult with relevant DSOs and take account of potential impacts on their system; and
(g) take into consideration agreed ... standards and technical specifications.

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Source: https://www.legislation.gov.uk/eur/2017/1485/article/4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-1485/article-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.