9.

Member States shall ensure that electricity suppliers specify in or with the bills and in promotional materials made available to final customers: the contribution of each energy source to the overall fuel mix of the supplier over the preceding year in a comprehensible and, at a national level, clearly comparable manner; at least the reference to existing reference sources, such as web pages, where information on the environmental impact, in terms of at least CO_(2) emissions and the radioactive waste resulting from the electricity produced by the overall fuel mix of the supplier over the preceding year is publicly available; information concerning their rights as regards the means of dispute settlement available to them in the event of a dispute. As regards points (a) and (b) of the first subparagraph with respect to electricity obtained via an electricity exchange or imported from an undertaking situated outside the Community, aggregate figures provided by the exchange or the undertaking in question over the preceding year may be used. The regulatory authority or another competent national authority shall take the necessary steps to ensure that the information provided by suppliers to their customers pursuant to this Article is reliable and is provided, at a national level, in a clearly comparable manner.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-28 · Text as adopted (Official Journal); later amendments are not incorporated in this text.