Tap into the business of cross-border offshore CO2 storage in Denmark
For the first time in the World, it has been demonstrated that it is technically possible to transport CO2 across borders and store it – and it happened in Denmark. Now large-scale carbon capture and storage in the Danish part of the North Sea is forming a new green industry due to the Danish subsoil being suitable for CO2 storage with its many reservoirs in the North Sea.
This means that part of the solution to the world's climate challenges lies deep underground. Here, CO2 from the large emitters can be stored in the same reservoirs of sandstone from which oil and gas have previously been extracted.
On 8 March 2023, Project Greensand initiated the world's first cross-border offshore CO2 storage intended to mitigate climate change.
"With the first storage of CO2 in the Danish subsoil, the INEOS-led Project Greensand has for the first time in the world demonstrated that it is technically possible to transport CO2 across borders and store it offshore to mitigate climate change. This has been made possible through the financial support from the Danish Government and because the right regulatory framework came in place timely. Denmark has a large potential to become and European hub for CO2 storage."
Demonstrating a full CCS value chain
With this first carbon storage milestone in Denmark, Project Greensand demonstrates the feasibility of cross-border offshore CO2 storage across the full value chain - from capture to transport and storage. The next step is to develop, test and pilot carbon storage in the depleted oil reservoirs 1,800 meters below the sea floor of the North Sea.
It is estimated that the storage potential of the Danish underground is up to 22 billion tons, which corresponds to somewhere between 500 and 1000 years of Danish emissions. The sandstone reservoirs offshore lie under a series of shale layers that act as a lid, so here the CO2 will be trapped in the porous sandstone cavities.
The diverse companies involved with carbon capture and storage are part of a CCS value chain for geological storage of CO2 in Denmark. It is an important step in relation to developing the methods and technology for cost-effective and environmentally and safety-responsible CO2 storage in Denmark.
Project Greensand is supported by the Danish state through the Energy Technology Development and Demonstration Program – EUDP.
Facts
- The Project Greensand consortium consists of 23 Danish and international partners who contribute with expertise from transportation, storage and monitoring of CO2 in the subsoil.
- The leading partners, INEOS and Wintershall DEA, estimate they will be able to store 1.5 million tons of carbon yearly before the end of 2025 – and upwards of 8 million tons yearly in 2030.
- TotalEnergies estimate that they will be able to store more than 5 million tons of carbon yearly from 2030.
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