Rules for use of the transmission system

The Rules for Access to the Gas Transmission System (hereinafter - Access Rules) approved by the National Energy Regulatory Council by Resolution No O3E-601 of 25 April 2025, lay down:

• the procedure, terms and conditions for the use of the Natural Gas Transmission System owned by the Transmission System Operator (hereinafter referred to as the "TSO");
• the procedure, terms and conditions for the exchange of information between the TSO and the transmission system users (hereinafter referred to as the "system users");
• the guidelines on cooperation between the TSO and operators of other gas systems;
• the rights, obligations and liabilities of the TSO and the system users.

The Access Rules were developed with a view to ensuring fair, equitable and nondiscriminatory access to the Gas Transmission System (controlled by AB Amber Grid) for all system users.

The Access Rules shall apply to all system users, as well as individuals who are going to become the System Users of the TSO system, to all owners of the systems that are directly connected to the TSO`s Gas Transmission System, and to all operators of gas distribution systems and other gas systems connected to the Gas Transmission System to the extent it is related to the provisions on cooperation and exchange of information stipulated by the cooperation agreements made between the TSO and the operators concerned.

Comments and suggestions on the Access Rules please submit by e-mail consultation@ambergrid.lt.

Please find below most important documents:

• Rules for Access to the Natural Gas Transmission System from 31 March 2023
• Rules for Access to the Natural Gas Transmission System from 1 January 2020
• Rules for Access to the Natural Gas Transmission System from 2 July 2018