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Offshore pipeline re-use | Hydrogen
Offshore pipeline re-use
Two main scenarios which can be realized before 2030. In both scenarios, one of the pipelines becomes fully available for hydrogen; the other pipeline continues to facilitate the transport of existing and future natural gas production. In these scenarios, blending - the blending of hydrogen with natural gas - would also be possible, in addition to pure hydrogen. The benefits of these scenarios are significant. It paves the way for the roll-out of large-scale offshore hydrogen production. Reuse has significantly lower costs compared to building a new pipeline with the same capacity. Depending on the situation, reuse can yield cost savings of up to ninety percent, compared to installing new pipelines. Another advantage is the lower environmental impact. As a result of the fact that no new pipelines need to be installed, the seabed and sensitive nature, such as dunes and the Wadden Sea, are not affected.
Future-proof due to connection with wind farms
The NOGAT and NGT pipelines are well-positioned in relation to the planned large wind farms in the north, as well as for the pilot 'North of the Wadden'. To connect these wind farms, only the construction of some short new offshore pipelines is necessary, creating an -eventually redundant- network at sea. In the long term, both pipelines will be available to transport 14GW of generated hydrogen.
International connection and storage
This network is already connected to Denmark - through the existing NOGAT-TYRA-DENEMARK connection - and offers a good potential for connections to other North Sea countries, such as connections of the western branch of the NGT with English gas pipelines, or a connection to the German Aquaventus/Aquaductus project. Existing gas fields could eventually serve as storage, both to cope with temporary fluctuations due to wind variability and to hold strategic reserves of hydrogen.
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