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Capacity booking and allocation

The TSO offers a long-term capacity from 1-year inclusive, and short-term capacity of up to 1-year, firm and interruptible capacity.

The TSO offers the following standard capacity products at all entry and exit points:

  • Yearly
  • Quarterly
  • Monthly
  • Daily
  • Within-day

If during the allocation of the certain term firm capacity, the demand for capacity exceeds the supply (the demand for capacity is greater than available technical capacity), the TSO shall propose to the System Users interruptible capacity of this term.

Capacity can be booked and confirmed via electronic transmission service booking and administration system (ETSS) or, if ETTS disorders, in writing.

Capacity in Santaka is allocated on the Capacity Booking Platform (GSA Platform) here.

The capacity of Kiemėnai point is distributed using the Common Zone Platform, which is jointly managed by the Latvian and Estonian transmission system operators, here.

 

Long term capacity booking
  • Long-term bookings shall be accepted via ETSS no later than 21 calendar days before the commencement of use of capacity, and no earlier than 6 months before the commencement of the period of use of capacity.
  • Manual long-term bookings shall be accepted no more than 6 months before the commencement of the period of use of capacity and not later than 3 working days before the latest booking period for ETSS booking. If the demand for long-term capacity exceeds technical capacity, the long-term capacity shall be allocated using the pro rata principle.
  • when available technical capacity is insufficient to meet the needs of the System Users, capacity for a particular System User shall be allocated in proportion to the quantity of capacity requested by the System Users. Therefore, the quantity of capacity allocated to the System User shall be equal to the ratio between the quantity of capacity booked at that point by that System User and the total quantity of capacity booked at that point by all System Users, multiplied by the quantity of capacity available with the TSO.
Quarterly capacity booking
  • Quarterly capacity bookings via ETSS shall be accepted no later than by 13:00 h of the day preceding the gas day on which the period of use of quarterly capacity commences, and no earlier than 20 calendar days before the commencement of the period of use of quarterly capacity.
  • Bookings for quarterly manual capacity shall be accepted no later than 3 working days before the commencement of the period for which the capacity is booked and no earlier than 20 calendar days before the commencement of the period of use of quarterly capacity.
Monthly capacity booking
  • Monthly capacity bookings via ETSS shall be accepted no later than by 13:00 h of the day preceding the gas day on which the period of use of monthly capacity commences, and no earlier than 20 calendar days before the commencement of the quarter for which monthly capacity is booked.
  • Bookings for monthly manual capacity shall be accepted no later than 3 working days before the commencement of the period for which the capacity is booked and no earlier than 20 calendar days before the commencement of the quarter for which monthly capacity is booked.
Daily capacity booking
  • Daily capacity booking via ETSS shall be accepted no later than by 15:00 h of the day preceding the gas day on which the period of use of capacity commences, and no earlier than 14 calendar days prior to the commencement of the month the gas day capacity of which is booked.
  • Daily manual capacity bookings shall be accepted no later than 3 working days before the commencement of the period for which the capacity is booked, and no earlier than 14 calendar days before the commencement of the month of which gas day capacity is booked.
  • The within-day capacity shall be booked through the nomination submission procedure.

Short-term capacity is allocated on a „first-come, first-served“ basis. The "first come, first served" principle applies only when there is no contractual congestion in the system. In case of contractual congestion in the system or a situation where more than one order is received at the same time, the TSO cannot satisfy the requests of the system users, the remaining capacity after the application of the "first-come, first-served" procedure is allocated to the system users in proportion to the requested capacity amounts.System users willing to use gas transmission capacities are required to have procured sufficient natural gas volumes.

Actual information:
  • You can see information about sales prices for firm capacity products with a duration of one month or longer and sales prices that have exceeded the reserve price at Santaka GMS point in the capacity ordering platform reports on the GSA platform. Additional capacity provided applying congestion management procedures can be found here
  • For the gas year 2023/2024, the capacity of the Kiemėnai DAS entry and exit interconnection points will be offered as bundled capacity and allocated on the electronic capacity ordering platform operated by the Latvian transmission system operator AS Conexus Baltic Grid.
  • The capacity allocation calendar for the gas year 2022/2023 can be downloaded here.
Relevant documents
Technical capacity evaluation methods and principles

Amber Grid approved Description of AB Amber Grid Gas Transmission System Technical Capacity Evaluation Methods and Principles. Here you can find methods and criteria of technical capacity evaluation, process of technical capacity evaluation and requirements for technical capacity evaluation process. Description of AB Amber Grid Gas Transmission System Technical Capacity Evaluation Methods and Principles can be found here.