Denmark · Climate & energy ·

EU's first full-scale CO2 storage project begins operations in Denmark

Greensand Future officially opened in Denmark on September 18 as the European Union's first CO2 storage site to meet the full-scale operating threshold. Its first phase can store up to 400,000 tonnes a year.

Why it matters

The project links capture, transport and permanent storage beneath the North Sea in a commercial chain, marking an important step for EU carbon-management infrastructure. Its initial capacity remains small compared with Europe's total emissions.

Full report

According to the project, CO2 from Danish biomethane plants will be liquefied, trucked to the Port of Esbjerg and shipped about 250 kilometres offshore to the depleted Nini West oil field for injection roughly 1,800 metres below the seabed.

The first phase is designed for 400,000 tonnes of annual storage. The project aims to expand to between four million and eight million tonnes a year if demand and infrastructure develop, but that future capacity has not yet been fully built.

Norway's Northern Lights project began storing CO2 in 2025, but Norway is not an EU member. Greensand is therefore described by the project and Reuters as the first full-scale operating site inside the EU, not the first CO2 storage facility anywhere in Europe.

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