Name of the Project
Bifrost project.

Location
Danish North Sea, Denmark.

Project Owner/s
TotalEnergies, Nordsøfonden, Ørsted, Evida, Port Esbjerg, ADP, ARC, Ontras and VNG.

Project Description
The international initiative is designed to link European industrial hubs to underground CO₂ storage sites in the Danish North Sea.

The project is targeting a total storage capacity of up to 335-million metric tons of CO₂ over 35 years. In its initial phase, beginning in 2030, Bifrost aims to store at least five-million tons of CO₂ a year, supporting the EU’s ambition to achieve climate neutrality by 2050.

Future expansion could lift capacity by an additional 10-million to 15-million tons a year, once the project is connected to Europe’s main onshore and offshore CO₂ pipeline networks. Storage will rely on the geological potential of the Danish North Sea, including depleted oil and gas reservoirs, as well as saline aquifers.

Two sites being considered are the Harald depleted gasfields and the Dagny saline aquifer. The Harald fields, located on the western edge of the Danish North Sea, consist of two reservoirs: Harald West, formed of sandstone, capped by layers of shale and chalk at a depth of about 3 400 m, and Harald East, a chalk reservoir sealed by marl and mudstone at a depth of about 2 700 m.

With gas production now ended, these fields can be repurposed for CO₂ injection at pressures lower than the original reservoir conditions. Their natural sealing formations, which have securely contained hydrocarbons for millions of years, provide confidence that CO₂ can be stored safely and permanently.

Nearby, the Dagny saline aquifer presents an additional opportunity for storage. Saline aquifers are deep rock formations filled with brine and overlain by impermeable layers that prevent leakage, making them well suited to permanent CO₂ storage. Since they are not usable for drinking water or agriculture, they represent a secure option for managing large volumes of captured emissions.

Where existing oil and gas infrastructure cannot be safely or technically converted, new facilities will be built, with the flexibility to accommodate other uses in the future such as natural gas or hydrogen transport.

Potential Job Creation
Not stated.

Capital Expenditure
Not stated.

Planned Start/End Date
The project is expected to start operations in 2030.

Latest Developments
None stated.

Key Contracts, Suppliers and Consultants
None stated.

Contact Details for Project Information
TotalEnergies Denmark head of external communications and corporate social responsibility Thorkild Diness Jensen, tel +45 2020 4236 or email thorkild-diness.jensen@totalenergies.com.