3.1.2 (i) Detailed descriptions of the points of the gas transmission system, names of the operators of the interconnected systems
“Transmission system operators shall publish at least the following information about their systems and services:
i) a detailed description of the gas system of the transmission system operator and its relevant points of interconnection as defined in paragraph 3.2. of this Annex as well as the names of the operators of the interconnected systems or facilities;”
Transmission system
The Company’s natural gas transmission network consists of entry “0” points, compressor stations, gas transmission nodes, measuring stations, high-pressure transmission pipelines and gas delivery stations directly supplying the regional natural gas distribution companies and industrial consumers.
The natural gas coming from import gas sources, domestic productions and from underground gas storage facilities is injected into the Company’s transmission network at the entry "0" points.
The natural gas received at the entry points is forwarded through the Company’s transmission network to the adjacent system operators and the directly connected industrial consumers. The transmission network is 5,889 km long and consists of steel pipes with a size varying between DN100 and DN1400, mostly with a design pressure of 63 bar (sometimes 75 bar).
Gas turbine-propelled centrifugal compressors operate in the compressor stations built into the transmission network, which have the function of increasing the system’s capacity by elevating the gas pressure so that the gas can be transported through the pipeline to the consumers.
The allocation of the natural gas transported through the pipeline system takes place at the gas delivery stations. These facilities continuously transport and transfer the gas to the adjacent system operators and the directly connected industrial consumers under monitored conditions.
The Company measures the amount of the natural gas and knows the quality of the natural gas at every entry and exit point of the transmission system. The quality of the delivered gas is measured with more than 600 measurement systems at the gas delivery stations, entry points and international measurement stations for the gas distribution companies, industrial and power plant consumers. We monitor the quality of the natural gas with continuously working gas chromatographs at the entry points, high capacity delivery and node points, where gases of different quality can mix.
There is a complex telemechanic remote supervision system (SCADA) on the natural gas transmission network supporting the execution of operation and system operation activities.
The Company operates a cathodic protection system covering its entire steel transmission pipeline network.
Country profile
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Existing Gas Infrastructure |
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Number of TSOs |
1 |
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Total length of transmission network(s) |
5 889 (in km) |
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Total compressor power |
238 (in MW) |
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Inter-TSO connections where capacity is marketed (incl. upstream operators) |
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FGSZ Ltd. |
o VIP Bereg (UA>HU) / LLC Gas TSO of Ukraine (UA) o VIP Bereg (HU>UA) / LLC Gas TSO of Ukraine (UA) o Mosonmagyaróvár (AT>HU) / Gas Connect Austria (AT) o Kiskundorozsma (HU>RS) / Transportgas Srbija doo (RS) o Csanádpalota (HU>RO)/ Transgaz (RO) o Csanádpalota (RO>HU)/ Transgaz (RO) o Drávaszerdahely (HU>CR) /Plinacro (HR) o Drávaszerdahely (CR>HU) /Plinacro (HR) o Kiskundorozsma 2 (RS>HU) / GASTRANS d.o.o. Novi Sad (RS) o Kiskundorozsma 2 (HU>RS) / GASTRANS d.o.o. Novi Sad (RS) |
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LNG terminal: |
No |
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Storage facilities connected to FGSZ Ltd's system |
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Unified storage entry/exit point (UGS-1-UNIFIED), which contains the following storage facilities
Strategic and commercial storage
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Production facilities connected to FGSZ Ltd's system |
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o Algyő III "0" pont / MOL Nyrt. o Babócsa "0" pont / MOL Nyrt. o Endrőd "0" pont / MOL Nyrt. o Hajdúszoboszló "0" pont / MOL Nyrt. o Karcag II (Bucsa) "0" pont / MOL Nyrt. o Pusztaederics "0" pont / MOL Nyrt. o Szank "0" pont / MOL Nyrt. o Kardoskút regionális/ MOL Nyrt. o Kenderes II inert "0" pont / MOL Nyrt. o Babócsa regionális/ MOL Nyrt. o Tiszavasvári II "0" pont/ HHE North Kft. |
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Directly connected customers |
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o Total: 32 o Gas-fired power plants: 15 |
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Total direcly connected power plant |
4,330 ( in MW) |
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Distribution systems Operators and connection points |
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o Number of physical TS-DS connections: 358 o Number of DSOs: 11 |
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Physical hubs and Virtual Trading Points |
o MGP I / FGSZ Ltd. |
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Number of balancing zones |
1 |
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Historical annual gas demand of the national market (final customers) |
o 2021: 111.720 GWh o 2020: 111.194 GWh o 2019: 106.946 GWh o 2018: 104.886 GWh o 2017: 109.895 GWh o 2016: 102.401 GWh o 2015: 95.012 GWh o 2014: 86.772 GWh o 2013: 97.166 GWh o 2012: 111.950 GWh |
Main data of entry and exit points are contained in the table below:
Main data of entry and exit point (xlsx)
The Hungarian gas transmission pipeline system