News
13 May 2025
Einstein Telescope

European Commission officer visits Einstein Telescope official candidate regions

European Commission Project Officer Ioannis Andredakis, who oversees the Horizon-Europe-funded Preparatory Phase for the Einstein Telescope Gravitational Wave Observatory project (ET-PP), has now met on site with teams in each of the two regions proposing to host the future gravitational-wave observatory.

Sardinia – Sos Enattos

On 28 April the Project Officer travelled to Sos Enattos, Italy’s proposed site, accompanied by delegations from the Einstein Telescope Organisation (ETO – the body that steers engineering, (project) management and communication across borders), ET Italy and the Sardinia Region. Discussions centred on site-characterisation work, regional infrastructure plans and the ways in which Italian partners contribute to ET-PP.

Euregio Meuse-Rhine

A second visit followed on 12 May to the border area of Belgium, Germany and the Netherlands (the Euregio Meuse-Rhine, or EMR). Together with ETO representatives, the ETpathfinder team and the ET-EMR project office, Mr Andredakis:

  • toured ETpathfinder in Maastricht, the cryogenic R&D facility developing key detector technologies;
  • inspected a geophysical drilling site in Henri-Chapelle that provides crucial subsurface data;
  • visited the core-analysis laboratory in Aubel, where drill samples are logged and studied.

Why these visits matter

The Einstein Telescope is one of Europe’s most ambitious research endeavours: a next-generation gravitational-wave observatory that will probe the cosmos with unprecedented precision. To turn this vision into reality, the European Commission has made a strategic investment in ET-PP, which runs from September 2022 to August 2026. The project unites 30 research institutes in 11 countries to work on building blocks for the scientific, legal, technical and organisational foundations required for the Einstein Telescope’s approval, construction and operation.

By reviewing progress in Sardinia and the Euregio Meuse-Rhine, the European Commission affirms its commitment to both candidate sites and ensures that work proceeds under common criteria and timelines. The Einstein Telescope community will continue to collaborate across borders and disciplines —laying the groundwork for a facility that will keep Europe at the forefront of gravitational-wave science.

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