art_64__para_1__text_1
Text with EEA relevance.
Member States shall require suppliers to keep at the disposal of the national authorities, including the regulatory authority, the national competition authorities and the Commission, for the fulfilment of their tasks, for at least five years, the relevant data relating to all transactions in electricity supply contracts and electricity derivatives with wholesale customers and transmission system operators.
National law under this provision
2 national measures recorded under this provision, in 1 form — sign in to view the analysis.
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Source: EUR-Lex (Cellar) · retrieved 2026-10-30 · Text as adopted (Official Journal); later amendments are not incorporated in this text.