Our infrastructure
Transmission Network
Excellently interconnected
Fluxys Belgium’s transmission network is excellently linked to all natural gas sources available to the European market. The system also enables gas flows in both directions with all adjacent markets. Thanks to its versatility, customers use the Belgian system both for their supplies into Belgium and for border-to-border transmission to supply other markets in Northwest Europe.
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Network length |
4,000 km |
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Border interconnection points |
Interconnection points with all adjacent markets: UK, France, The Netherlands, Germany and Luxemburg |
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Network connection points in Belgium |
Connections with 17 Distribution System Operators Connections with 230 industrial sites and gas-fired power stations |
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Compressor stations |
Berneau, Weelde, Winksele, Zelzate |
Network conversion to high-calorific gas
The gas system in Belgium consists of two separate networks: a network for high-calorific gas and a network for low-calorific gas. The latter is gas from the Groningen field in the Netherlands and exports of this low-calorific gas will progressively phase out between 2024 and 2030. Fluxys Belgium and the Distribution System Operators are therefore proactively switching end-users of low-calorific natural gas to high-calorific natural gas. Completion of the network conversion is planned for 2029.
Zeebrugge LNG Terminal
LNG gateway into Northwest-Europe and beyond
The Zeebrugge LNG terminal serves as a gateway to supply liquefied natural gas (LNG) to Northwest Europe and beyond. The facility provides for unloading large LNG vessels and keeping the LNG temporarily in storage. The LNG can be regasified and injected into the transmission network for delivery throughout Northwest Europe or loaded back onto LNG ships to supply other markets. Direct transshipments of LNG between two vessels are also possible.
Large-scale and small-scale LNG
In addition to accommodate large LNG vessels and large volumes of LNG, the Zeebrugge terminal also loads small LNG vessels and LNG trailers to serve the so-called small-scale LNG market: LNG used as an alternative fuel for vessels and trucks or as fuel for industrial customers not in the vicinity of a natural gas pipeline system.
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Maximum technical capacity Regasification capacity Transshipment capacity Storage capacity Send-out capacity |
104 TWh/year 107 transshipments (214 ships)/year 566,000m³ of LNG (5 storage tanks) 22.5 GWh/hour |
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LNG carriers received since |
1,750 |
Loenhout storage
Loenhout storage
At the Loenhout facility, Fluxys Belgium operates an underground gas storage plant which serves as a giant battery for the energy system. The facility has an energy storage capacity equivalent to 60,000 state-of-the-art mega Tesla battery units as the one built in Australia. Loenhout also can provide 70 times as much energy to consumers and it can do so for about 50 days, while the mega battery unit can only deliver at maximum capacity for an hour and 20 minutes.
10 year investment program
The 2021-2030 indicative investment plan for Fluxys Belgium and Fluxys LNG includes projects totalling €644 million. In addition to the planned investments for upgrading the grid in line with changes in domestic demand (public distribution, industrial customers) and for maintaining the infrastructure in good condition, the planned projects cover certain specific changes:
- the L/H conversion project, which will make the Belgian natural gas market independent of L-gas supplies from winter 2024/2025 onwards;
- the possible construction of several new gas-fired power generation units in connection with the nuclear phase-out scheduled for 2025;
- the increase in LNG regasification capacity at the terminal in Zeebrugge;
- injections of green gas (including biomethane) into the Fluxys Belgium grid.
An annex was added to the 2021-2030 indicative investment plan in order to cover the development of hydrogen and CO2 transmission networks in Belgium. The indicative amounts are €1,181 million for the hydrogen transmission network, and €310 million for the CO2 transmission network. These amounts will evolve as the research and technical specification of these networks become clearer in the future.
Download the indicative investment programme (PDF 3.3MB)
- Fluxys BelgiumAvenue des Arts 31, B-1040 Brussels+32 2 230 02 39