Serbia borders with eight countries and there are eleven interconnection overhead lines (400kV and 220kV) where Serbian TSO grid company PE EMS allocates the rights to use transmission capacities by having PE EMS and neighbouring transmission system operators allocate 50% each of net transmission capacity on all interconnectors.
The exception is Serbian-Hungarian border since 2011, Serbian-Romanian border since 2013, Serbian-Bulgarian and Serbian-Croatian since 2014 where joint explicit auctions for the allocation of 100% of available capacity have been organised.
Being the transmission system operator in Serbia, PE EMS is responsible for the allocation of rights to use available cross-border transmission capacities on interconnection lines of the Serbian power system. The mechanism for the allocation of rights to use available cross-border transmission capacities is defined by the Transmission Network Code and the Rules for Available Cross-Border Transfer Capacities Allocation on Borders of Control Area of Republic of Serbia.
Rules and agreements with neighbouring system operators in Hungary, Bulgaria, Romania and Croatia were approved by the Council of the Agency at the end of 2013 and were applicable in 2014.
In the end of 2014, PE EMS reached an agreement with transmission system operator of Bosnia and Herzegovina (NOS BiH) on the organisation of joint explicit auctions for the allocation of 100% of available capacity in 2015. The agreements were submitted to the Agency for approval. On December 10, 2014, the Agency’s Council adopted a decision on the approval to the “Agreement between the Independent Transmission System Operator in Bosnia and Herzegovina (NOS BiH) and the Transmission System Operator of the Republic of Serbia – Public Enterprise “Elektromreža Srbije” on the Procedure and Method of Cross-border capacity allocation and on the Access to Cross-Border Transmission Capacities for 2015”. This agreement defined the organisation of long-term auctions for the allocation of 100% available capacity (annual and monthly auctions) by PE EMS and by NOS BiH (daily and intraday).
In 2014, PE EMS organised explicit auctions on cross-border transmission capacities on all borders and in all directions of the control area of the Republic of Serbia. In 2013, in line with the “Rules for the Cross-border transmission capacity allocation on the Borders of the PE EMS Control Area for the Period 01/01/2014 – 31/12/2014”, PE EMS organised explicit auctions for 50% of the available capacity on the following borders: Serbia-Albania, Serbia-Bosnia and Herzegovina, Serbia-Montenegro and Serbia-Macedonia. In 2014, PE EMS organised explicit auctions for 50% of available capacity while, in case of congestion, reservation was charged at marginal price. The allocation of the other half of transmission capacity quantities was organised by the transmission system operators of neighbouring countries, in line with their rules.
In 2014, the right to participate in the auctions on 50% of available capacity was on disposal of 50 market players. 28 of them actively participated in the auctions.
Annual auctions for the allocation of 50% of the available cross-border capacity for 2014 were held on November 29, 2013 with 21 participants. On each border/in both directions, congestions occurred.
In 2014, PE EMS organised monthly auctions for the allocation of 50% of available capacity for each month, on all the above given borders and in both directions.
Weekly auctions were not organised in 2014.
In 2014, PE EMS organised long-term (annual and monthly) and intraday (first come-first served) auctions for the allocation of 100% of the available capacity on the Serbian-Hungarian border. The Hungarian transmission system operator MAVIR ZRt. allocated the available capacity on daily level. In 2014, , while PE EMS allocated the available capacity on daily level, while PE EMS allocated the available capacity on daily level. In 2014, Croatian transmission system operator HOPS organised long-term (annual and monthly) and intraday (first come-first served) auctions for the allocation of 100% of the available capacity on the Serbian-Croatian border, while PE EMS allocated the available capacity on daily and intraday level. Bulgarian transmission system operator Elektroenergien Sistemen Operator EAD organised long-term (annual and monthly) and intraday (first come-first served) auctions for the allocation of 100% of the available capacity on the Serbian-Bulgarian border, while PE EMS allocated the available capacity on daily level and intraday auctions were not organised at all.
Out of the 60 entitled participants, 47 of them participated in the auctions for 100% available capacity on the Serbian-Hungarian border. Out of the 48 entitled participants, 26 of them participated in the auctions for 100% available capacity on the Serbian-Romanian border, 21 of 48 participants on the Serbian-Bulgarian border and 17 of 40 on the Serbian-Croatian border. , transmits Serbia-energy.eu
