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Small-scale offshore CO₂ storage can be cost-effective

It is possible to capture CO₂ in a cost-effective way and store it below the seabed. This is what Circular Energy says in response to the report 'Cost-effective packages of measures for the climate targets of industry’ that Dutch environmental organizations have issued at the end of June.

 

 In the report, the environmental organizations state that the Dutch industry can meet its cilimate objectives by 2030 (35.7 Mtonnes CO₂ emissions) with relatively cheap, partly already (almost) profitable technical adjustments. The authors state that alternative options are cheaper than carbon capture and storage. According to Circular Energy, small-scale CCS installations are also profitable.

 

Integral design

The installation of Circular Energy directly captures the CO₂ at the source and thus capture and storage is relatively cheap. The power plant and the CCS installation are designed simultaneously and integrally. This allows the design to be optimized for both the heat production of the plant and the heat demand of the CO₂ capture installation.

 

No expensive transport lines

In addition, the entire installation is offshore. No expensive pipelines are needed to transport the CO₂ of an onshore installation to tens or even hundreds of kilometres offshore. The investments for transport are limited to a well of 3 kilometers depth.

CO₂ storage can become cheaper for other applications through innovation and scale effects.

 

Twenty measures

The report of the environmental organizations deals with about 20 measures. It describes which existing techniques they replace and calculates what they contribute to CO₂ reduction, e.g. electrolysis, heat pumps, steam recompression, ultra-deep geothermics and, CCU.