Article 12

Tasks of distribution system operators 1. Each distribution system operator shall operate, maintain and develop under economic conditions a secure, reliable and efficient system, with due regard for the environment. 2. In any event, the distribution system operator shall not discriminate between system users or classes of system users, particularly in favour of its related undertakings. 3. Each distribution system operator shall provide any other distribution system operator, and/or any transmission, and/or LNG system operator, and/or storage system operator with sufficient information to ensure that the transport and storage of natural gas takes place in a manner compatible with the secure and efficient operation of the interconnected system. 4. Each distribution system operator shall provide system users with the information they need for efficient access to the system. 5. Where distribution system operators are responsible for balancing the gas distribution system, rules adopted by them for that purpose shall be objective, transparent and non-discriminatory, including rules for the charging of system users for energy imbalance. Terms and conditions, including rules and tariffs, for the provision of such services by system operators shall be established pursuant to a methodology compatible with Article 25(2) in a non-discriminatory and cost-reflective way and shall be published.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-29 · Text as adopted (Official Journal); later amendments are not incorporated in this text.