O&M Center of South Greece
The Operation & Maintenance Center of South Greece is located in the area of Patima, Elefsina. Its area of responsibility extends from the Mavroneri scraper station in Viotia to the metering station of PPC Megalopoli. The area of responsibility of the Centre includes the branches of Antikyra, Aliveri, Lavrion, Keratsini, Oinofyta, HERON, Thisvi, ELPE Elefsina, MOTOROIL and Megara-Corinth-Megalopoli.
The operational facilities in the area of responsibility of the Operation & Maintenance Center include 280.23 km. 30″ diameter high pressure natural gas pipeline, 169.16 km. 24″ diameter high pressure natural gas pipeline, 128.98 km. 20″ diameter high pressure natural gas pipeline, 0.75 km. 14″ high pressure pipeline, 27.03 km 10″ diameter high-pressure natural gas pipeline and 0.73 km. 4″ high pressure pipeline. Twenty-nine (29) scraper stations, twenty-nine (29) valve stations and thirty-one (31) metering and/or regulating stations are installed along the above pipelines.
O&M Center of Central Greece
The Operation & Maintenance Center of Central Greece is located in the area of Ambelia, Farsala. Its area of responsibility extends from the exit of the scraper station of Platamonas in Pieria to the entrance of the scraper station of Mavroneri in Viotia. This area includes the branches of Volos and Trikala.
The operational facilities in the area of responsibility of the Operation & Maintenance Center include 205.7 km. 30″ diameter high pressure natural gas pipeline, 40.42 km. 10″ diameter high pressure natural gas pipeline of the Volos branch and 71.94 km. 10″ diameter high pressure natural gas pipeline of the Trikala branch. Six (6) scraper stations, thirteen (13) valve stations and nine (9) metering and/or regulating stations are installed along the above pipelines.
O&M Center of North Greece
The Operation & Maintenance Center of North Greece is located in the area of Nea Mesimvria, Thessaloniki. Its area of responsibility extends from the scraper station of Promachonas on the border between Greece and Bulgaria to the scraper station of Platamonas, Pieria. The area of responsibility includes the branches of North Thessaloniki, East Thessaloniki, Platy and part of the Karperis – Halkero branch, from the Karperis scraper station to the Fotolivos valve station.
The operational facilities in the area of responsibility of the Operation & Maintenance Center include 98 km. 36″ diameter high pressure natural gas pipeline, 93 km. 30″ diameter high pressure natural gas pipeline, 102.01 km. high pressure natural gas pipeline with a diameter of 24″ and 13.08 km. 10″ diameter high-pressure natural gas pipeline.
Fifteen (15) scraper stations, fifteen (15) valve stations and nine (9) metering and/or regulating stations are installed along the above pipelines. Cyclone type filters are installed at Promachonas scraper station for gas purification. The Centre’s responsibility also includes the operation and maintenance of the Sidirokastro Border Metering Station, the Interconnection Metering Station with the TAP Pipeline and the Nea Mesimvria Compressor Station.
O&M Center of North-East Greece
The Operation and Maintenance Center of North-East Greece is 5 km away from the city of Xanthi, at the 2nd km. Diomedias – Lefkis. Its area of responsibility extends from the Fotolivos valve station to the Kipoi Evros Border Metering Station, on the Greek-Turkish border.
The operational facilities in the area of responsibility of the Operation & Maintenance Center include 86.71 km. 36″ diameter high pressure natural gas pipeline, 146.92 km. 24″ diameter high-pressure natural gas pipeline, and 1.5 km 12″ diameter high-pressure natural gas pipeline. Along the above pipelines, six (6) scraper stations, twelve (12) valve stations and nine (9) metering and/or regulating stations are installed, of which M/R Amfitriti station is an entry point of the NNGTS.