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ECN publication
New Dutch renewable energy support scheme and the prospects of green gas production in the Netherlands
Published by: Publication date:
ECN Policy Studies 4-8-2008
ECN report number: Document type:
ECN-M--08-049 Conference Paper
Number of pages: Full text:
6 Download PDF  

Presented at: 16th European Biomass Conference & Exhibition, Valencia, Spain, 2-6 juni 2008.

Green gas from both digestion processes and large-scale gasification of biomass is considered as a promising renewable option in the Netherlands with high potential. On assignment of the Dutch Ministry of Economic Affairs, ECN and KEMA have estimated the costs of renewable gas (biomethane, green gas) production and injection into the natural gas grid. The result of this cost assessment was an advice to the Ministry, in order to determine the subsidy base, within the new Dutch renewable energy support scheme SDE, for a profitable operation of green gas projects starting in 2008 and 2009. The reference systems for green gas production were based on landfill gas, waste water treatment installations, co-digestion of manure with co-substrates in a 50/50 ratio at a farm scale, and digestion of organic waste fractions. As upgrading step four different technologies were considered: gas scrubbing, membrane filtration, Vacuum Pressure Swing Adsorption (VPSA), and cryogenic separation. Calculated reference prices for green gas varied between 27.7 and 84.0 €ct/Nm3, depending on the reference system. Due to high production costs of co-digestion of manure and digestion of organic waste fractions at considered scale, only green gas production at landfill sites or waste water treatment plants have been qualified for SDE feed-in premium in 2008. Current costs and the persistence of existing barriers or obstacles are considered to limit future prospects of green gas in the Netherlands.

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