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CO₂necta – Integrated CO₂ Capture, Transport and Storage in Sagunto

SUMMARY

CO₂necta is a pioneering project developed by Enagás, Holcim España and Saggas to decarbonise hard-to-abate industrial sectors. It will capture CO₂ from Holcim’s cement plant in Sagunto, transport and liquefy it at the Saggas LNG terminal, and ship it for permanent geological storage.

PROJECT

Molecules: CO2

Status: Planned

LOCATION

Country: Spain

Port Authority: Port of Sagunto

COMPANIES

GLE Member: Enagás

Other Members: Holcim España, Saggas

OTHER

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KEY FIGURES

  • More than 560,000 tonnes of CO₂ emissions are expected to be avoided annually.
  • CO₂ will be captured at Holcim’s cement plant in Sagunto.
  • The captured CO₂ will be transported through Enagás infrastructure.
  • CO₂ will be liquefied at the Saggas LNG terminal.
  • The liquefied CO₂ will be transported by ship to geological sites for permanent storage.
  • The project also includes biogenic CO₂, enabling the production of e-methanol and biofuels.
  • CO₂necta is expected to support local and national economic development.

Project description

CO₂necta is a pioneering project developed by Enagás, Holcim España and Saggas to decarbonise hard-to-abate industrial sectors.

The project will capture CO₂ emissions from Holcim’s cement plant in Sagunto. The captured CO₂ will then be transported through Enagás infrastructure to the Saggas LNG terminal, where it will be liquefied.

Once liquefied, the CO₂ will be transported by ship to geological storage sites for permanent storage. The project will also handle biogenic CO₂, supporting the production of renewable fuels such as e-methanol and biofuels.

CO₂necta brings together industrial capture, transport infrastructure, terminal operations and maritime shipping in an integrated carbon management chain. In addition to reducing industrial emissions, the project is expected to support industrial transformation and contribute to local and national economic development.

For more information: CO₂necta – Enagás, Holcim and Saggas

“CO₂necta contributes with innovative solutions to jointly advance our decarbonisation commitments, especially relevant in strategic sectors that cannot be decarbonised.”

Arturo Gonzalo
CEO of Enagás

TIMELINE

January 2025

Project announcement
CO₂necta was announced during a technical visit to Sagunto.

2026–2029

Engineering and permitting
Engineering studies, permitting procedures and environmental assessments are planned during this phase.

2029

Construction
Construction of the CO₂ capture, transport and liquefaction infrastructure is expected to begin.

2032

Start of operations
CO₂ capture operations and the first maritime shipments to permanent geological storage sites are expected to begin.