Bulgartransgaz’s gas infrastructure consists of gas transmission network and an underground gas storage facility Chiren (Chiren UGS), connected to it.
Length of transmission system: ≈ 3276 km
Compressor stations: 11
Domestic exit points: ≈ 240
Entry points from production facilities: 2
Connection points with storage facilities: 1
Cross-border entry-exit points: 9
In-country interconnection points: 1
Bulgartransgaz's EIC code: 21X-BG-A-A0A0A-C
Bulgartransgaz's ACER code: A0001038B.BG
Negru Voda 1 (RO)/Kardam (BG) – EIC 21Z000000000159I - Entry-exit interconnection point between the networks of Bulgartransgaz and STNG TRANSGAZSA, Romania
Negru Voda 2,3 (RO)/Kardam (BG) – EIC 21Z000000000160X - Entry interconnection point between the networks of Bulgartransgaz and STNG TRANSGAZSA, Romania
Kulata (BG)/Sidirokastron (GR) – EIC 21Z000000000020C - Entry-exit interconnection point between the networks of Bulgartransgaz and DESFA, Greece
Ruse (BG)/Giurgiu (RO) – EIC 21Z0000000002798 - Entry-exit interconnection point between the networks of Bulgartransgaz and STNG TRANSGAZSA, Romania
Strandzha (BG)/Malkoclar (TR) – EIC 21Z000000000157M - Exit connection point between the networks of Bulgartransgaz and BOTAS, Turkey
Kyustendil (BG)/Zidilovo (MK) – EIC 21Z000000000137S - Exit connection point between the networks of Bulgartransgaz and NOMAGAS, North Macedonia
Strandzha 2 (BG)/Malkoclar (TR) – EIC 58Z-00000015-S2M - Entry connection point between the networks of Bulgartransgaz and TAGTAS, Turkey
Kireevo (BG)/Zaychar (RS) – EIC 58Z-000000007-KZ - Entry-exit connection point between the networks of Bulgartransgaz and GASTRANS, Serbia
Kalotina (BG)/Dimitrovgrad (RS) - EIC 58Z-000000012-KD - Entry-exit connection point between the networks of Bulgartransgaz and TRANSPORTGAS SRBIJA, Serbia
Stara Zagora - EIC 58Z-IP-00034-STZ - Entry-exit connection point between the networks of Bulgartransgaz and ICGB
Balancing zone Bulgaria - EIC 21Y000000000026E
Information on the merger of Bulgartransgaz's balancing zones as of 1 October 2021
UGS Chiren, EIC 21W000000000031C
GMS Chiren - EIC 21Z000000000349D - Entry-exit connention point between Bulgartransgaz' transmission system and UGS Chiren
Exploitation wells: 24
Comressor stations: 1
Storage capacity: ≈5 889 400 MWh
Withdrawal capacity: 5350 MWh/d ÷ 40874 MWh/d
Injection capacity: 5400 MWh/d ÷ 39085 MWh/d
Maximum withdrawal capacity in case of emergency: up to 50290 MWh/d in case of full gas storage facility and for a time period of maximum 30 days