Green gas to enter high pressure pipeline network for the first time

Zwolle, Groningen, The Netherlands | press release


Natuurgas Overijssel (a partnership between ROVA and HVC-groep) is to begin producing green gas. Enexis will manage the low-pressure transport and Gasunie will feed it through its high-pressure pipeline. The collaboration agreement for the project was signed in Zwolle this afternoon by the managing boards of the companies concerned. It will be the first time that green gas has been fed directly into the national gas transmission grid, and it represents a key step in making the Dutch natural gas system more sustainable.

Natuurgas Overijssel is also building a gasification plant where organic household waste will be converted into biogas. The gas will be upgraded to natural gas quality and taken directly into Gasunie’s high-pressure pipeline system via a supply pipe. The plant will produce over 2 million cubic metres of green gas per year, enough for 1,000 households. It will also be possible to run vehicles on organic household waste, which will in turn reduce CO2 emissions by some 4,500 tonnes per annum.

The construction of the plant, the laying of the supply pipes and the building of the research facilities will start shortly. The plant is expected to be operational by the end of 2009.

The project will enable ROVA, Gasunie and Enexis to gain experience in processing biogas from organic household waste into natural gas quality. Like natural gas, green gas consists primarily of methane, as well as a number of other components. During the project, all possible measures will be taken to remove these other substances. The researchers will monitor progress and consider how to improve efficiency. The project will be co-funded by Overijssel Province and GasTerra, the international natural gas trading company which was created following the demerger of Gasunie in 2005 into separate trading and transport companies.

Until now, biogas has only been used locally in small quantities. Now, for the first time in the Netherlands, production of biogas and its conversion into green gas will be fed directly into the national high pressure pipeline network. This is an efficient way of making the existing gas infrastructure more sustainable. A 70% reduction in CO2 emissions across the chain will also be possible due to the low energy consumption associated with the production of this gas. Natural gas is currently the world’s cleanest fossil fuel. It can be mixed with other energy sources, such as biogas, and is thus an excellent transition fuel.
The project will enable the companies to work towards the Dutch government’s target of achieving a 20% reduction in CO2 emissions by 2020.

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