ENTSOG Implementation and Monitoring Report 2017 - Balancing Network Code

2.8 LINEPACK FLEXIBILITY SERVICE (CHAPTER IX OF BAL NC)

TSOs may offer a Linepack Flexibility Service (LFS) to the shippers under the NRA’s approval of the related terms and conditions. This commercial service which utilises the flexibility within the transmission system shall be consistent with the responsibility of the shipper to balance its inputs and off-takes throughout the gas day. 5 countries (CZ, FR, NL, PT and SE) reported offering Linepack Flexibility Service prior to or on 1 October 2017.

mitigate imbalances due to NDM delivery points. The Netherlands stated that their network users (and accordingly the NRA) have decided that they prefer this option above the cash out regime. Portugal stated that the main reason for offering LFS to the market was to provide a tool for NU to accommodate imbalances considering the start-up phase of new rules in force and the need to prevent possible undesirable extra costs for the system. This was only possible as there was available Linepack flexibility not needed for the TSO’s own balancing operations.

France stated that it incentivises shippers to contribute to the balancing of the system and

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