NTS Infrastructure

Existing infrastructure of the National Transmission System (NTS):

Total length:

13,978 km, of which 183.5 km international transmission pipelines

Number of compressor stations:

8 compressor stations (CS Sinca, CS Onesti, CS Silistea, CS Podisor, CS Jupa, CS Bibești, CS Onești M,

CS Gherăiești)

Number of metering regulating stations (MRS) in operation:

1148 metering regulating stations

(1254 meaturing directions)

Number of valve control stations and/or technological nodes:

59 valve control stations/technological nodes

Number of cathodic protection stations:

1057 cathodic protection stations

Number of gas odorisation installations:

1054 gas odorisation installations

Pipeline diameter:

between 50 mm and 1200 mm

Operating pressure:

between 6 bar and 63 bar

Interconnections of the NTS with other transmission systems/adjacent system operators:

Total number:

11 physical cross-border interconnection points, as follows:

• Csanádpalota, FGSZ (HU);
• Ruse-Giurgiu, Bulgartransgaz (BG);
• Ungheni, Vestmoldtransgaz (MD);
• Negru Voda 1/Kardam, Bulgartransgaz (BG);
• Negru Voda 2/Kardam, Bulgartransgaz (BG);
• Negru Voda 3/Kardam, Bulgartransgaz (BG);
• Mediesu Aurit Import / GTSOU (UA);
• Isaccea Import/GTSOU (UA);
• Isaccea 1/Orlovka, GTSOU (UA);
• Isaccea 2/Orlovka, GTSOU (UA);
• Isaccea 3/Orlovka, GTSOU (UA).

Interconnections of NTS with LNG terminals/operators of adjacent systems:

NA

Interconnections of NTS with storage facilities/operators of adjacent systems:

Total number:

6 physical entry/exit points connected to storage facilities as follows:

• Sarmăsel/SNGN Romgaz SA-Depogaz Ploiești SRL;
• Balaceanca/SNGN Romgaz SA-Depogaz Ploiești SRL;
• Butimanu/SNGN Romgaz SA-Depogaz Ploiești SRL;
• Ghercesti/SNGN Romgaz SA -Depogaz Ploiești SRL;
• Urziceni/SNGN Romgaz SA-Depogaz Ploiești SRL;
• Tg. Mures/SC Depomures SA.

These physical entry/exit points are not operated by the TSO.

Interconnections of NTS with production facilities/producers:

Total number:

110 physical entry points as follows:

• 68 entry points/SNGN Romgaz SA;
• 25 entry points/SC OMV Petrom SA;
• 10 entry points/SC Amromco Energy SRL;
• 1 entry point/SC Raffles Energy SRL;
• 1 entry point/SC Lotus Petrol SRL;
• 1 entry point/SC Stratum Energy Romania LLC;
• 1 entry point/SC Hunt Oil Company of Romania SA;
• 1 entry point/Serinus Energy Romania SA;
• 1 entry point/Black Sea Oil & Gas SA;
• 1 entry point/Dacian Petroleum SA.

These entry points are not operated by the TSO.

Interconnections of NTS with distribution systems/distribution system operators:

Total number:

916 physical outlets/29 distribution system operators.

These physical exit points are not operated by the TSO.

Interconnections of NTS with direct consumers/direct consumer type:

Total number:

235 physical exit points as follows:

• 17 gas-fired power plants;
• 18 industrial plants;
• 176 commercial consumers;
• 24 residential consumers.

These physical exit points are not operated by the TSO.

Interconnections between production facilities and distribution systems:

Total number:

71 physical entry/exit points for direct deliveries of natural gas.

These physical entry/exit points are not operated by the TSO.

Physical trading centres and virtual trading points:

VTP

Balancing zones:

The National Transmission System (without dedicated transit pipelines) is considered a balancing zone.