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Why are Flanders and rival Saxony cooperating on the Einstein Telescope?

Flanders and Saxony are moving from pure competition to selective cooperation around the Einstein Telescope, the planned European gravitational-wave observatory for which the Euregio Meuse-Rhine and Lusatia are both official candidate locations.

Belgium Impulse Editorial·22 June 2026·2 min read·
Well established· 1 primary source + 4 official documents

In 30 seconds

  • Three official candidate locations are listed: Euregio Meuse-Rhine, Lusatia in Saxony and Sos Enattos in Sardinia.
  • The Euregio Meuse-Rhine bid covers the border area of Belgium, Germany and the Netherlands between Maastricht, Liège and Aachen.
  • Saxony’s Lusatia candidacy became an official candidate site in 2025, according to the Einstein Telescope organisation.
  • Infrabel and NMBS/SNCB have backed using the Montzen rail site as a possible construction logistics hub, without a binding agreement.

The Einstein Telescope is a proposed underground observatory designed to detect gravitational waves with far greater sensitivity than today’s instruments. The Euregio Meuse-Rhine bid covers the border area between Belgium, the Netherlands and Germany, around

Place

Maastricht

city around the Euregio Meuse-Rhine bid area

Why it matters

city around the Euregio Meuse-Rhine bid area

About

Maastricht is a city and a municipality in the southeastern Netherlands. It is the capital and largest city of the province of Limburg. Maastricht is located on both sides of the Meuse, at the point where the river is joined by the Jeker. Mount Saint Peter (Sint-Pietersberg) is largely situated within the city's municipal borders.

,
Place

Liège

city around the Euregio Meuse-Rhine bid area

Why it matters

city around the Euregio Meuse-Rhine bid area

About

Liège is a city and municipality in the Belgian region of Wallonia, and the capital of the eponymous province. The city is situated in the valley of the Meuse, in the east of Belgium, not far from borders with the Netherlands and Germany. In Liège, the Meuse meets the river Ourthe. The city is part of the sillon industriel, the former industrial backbone of Wallonia. It is still the principal economic and cultural centre of the region.

and
Place

Aachen

city around the Euregio Meuse-Rhine bid area

Why it matters

city around the Euregio Meuse-Rhine bid area

About

Aachen is the 13th-largest city in North Rhine-Westphalia and the 27th-largest city of Germany, with around 261,000 inhabitants. It is the western-most major city in Germany, lying approximately 61 km (38 mi) west of Cologne and Bonn, directly bordering Belgium in the southwest, and the Netherlands in the northwest. The city lies in the Meuse–Rhine Euroregion and is the seat of the district of Aachen (Städteregion Aachen).

.
Place

Saxony

rival candidate region cooperating with Flanders around the Einstein Telescope

Why it matters

rival candidate region cooperating with Flanders around the Einstein Telescope

About

Saxony, officially the Free State of Saxony, is a landlocked state of Germany, bordering the states of Brandenburg, Saxony-Anhalt, Thuringia, and Bavaria, as well as the countries of Poland and the Czech Republic. Its capital is Dresden, and its largest city is Leipzig. Saxony is the tenth largest of Germany's sixteen states, with an area of 18,450 square kilometres (7,124 sq mi), and the seventh most populous, with more than 4 million inhabitants.

’s
Place

Lusatia

official candidate location in Saxony for the Einstein Telescope

Why it matters

official candidate location in Saxony for the Einstein Telescope

About

Lusatia, otherwise known as Sorbia, is a region in Central Europe, territorially split between Germany and Poland. Lusatia stretches from the Bóbr and Kwisa rivers in the east to the Pulsnitz and Black Elster rivers in the west, and is located within the German states of Saxony and Brandenburg and the Polish voivodeships of Lower Silesia and Lubusz.

bid, which became an official candidate in 2025, is based in eastern Germany. According to Het Nieuwsblad, Flanders and Saxony now intend to cooperate around the Einstein Telescope despite being rivals in the site race, framing it as an exceptionally European project rather than a zero-sum regional trophy.

Background

Europe has treated large research infrastructures as shared strategic assets for decades, from

Institution

CERN

example of a large shared European research infrastructure

Why it matters

example of a large shared European research infrastructure

About

The European Organization for Nuclear Research, also called European Laboratory for Particle Physics, known as CERN, is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in Meyrin, a western suburb of Geneva, on the France–Switzerland border. It comprises 25 member states. Israel, admitted in 2013, is the only full member geographically out of Europe.

to ESA-linked astronomy projects. The Einstein Telescope entered the European research-infrastructure roadmap in 2021 and is now moving from concept and feasibility work toward political choice. The broader lesson is that major science projects increasingly require regions to compete for location while cooperating on standards, technology and European legitimacy.

Context & what happens next

What to do

For readers in Belgium, this is a file to follow through concrete checkpoints: public consultations in affected municipalities, university and supplier calls, rail and construction planning around Montzen, and government budget signals rather than only headline declarations.

Impact

Regional — For Flanders, the story is partly about science diplomacy and partly about Limburg’s place in a cross-border industrial and research economy. The strongest local impact would be in the Euregio Meuse-Rhine, including Voeren, Limburg and the Liège-Aachen-Maastricht area, where preparatory studies, supplier opportunities and public consultation are already politically salient.

Evidence
Well established · 1 primary source + 4 official documents
Explore evidence
Het Nieuwsblad
Published:
22 Jun 2026, 02:00
Retrieved by ODIN:
22 Jun 2026
Read original
Einstein Telescope - Candidate locations
Publication date unavailable
Retrieved by ODIN:
22 Jun 2026
Read original
Einstein Telescope EMR - Home
Publication date unavailable
Retrieved by ODIN:
22 Jun 2026
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Einstein Telescope EMR - Infrabel and NMBS letter of support
Published:
8 Jun 2026, 02:00
Retrieved by ODIN:
22 Jun 2026
Read original
Einstein Telescope Lausitz
Publication date unavailable
Retrieved by ODIN:
22 Jun 2026
Read original
Einstein Telescope EMR - Ben Knapen appointed Special Envoy
Published:
24 Apr 2026, 02:00
Retrieved by ODIN:
22 Jun 2026
Read original

Voices & reactions

What the main actors are doing

Reported positions, summarised — not direct quotations

Flemish and EMR project framing

The Flemish and Euregio Meuse-Rhine side presents the project as a cross-border European opportunity in which Belgium, the Netherlands and Germany can pool geology, universities, companies and logistics. Einstein Telescope EMR describes the observatory as Europe’s most advanced gravitational-wave facility, while Hans Plets of the EMR task force has stressed practical delivery, including sustainable rail logistics through Montzen.

Saxon and Lusatia project framing

Saxony’s pitch is more regional-transformation focused. The Lusatia candidacy argues that eastern Germany offers stable granodiorite, industrial renewal and a European bridge-building identity. Saxon Minister-President Michael Kretschmer is quoted by the Lusatia campaign as saying Saxony thinks research in European dimensions, linking regional strength with global perspective.

EU research-infrastructure perspective

From the European project perspective, the contest is less a bilateral fight than a test of whether Europe can organise a generational science facility across borders. The Einstein Telescope organisation lists three candidates and emphasises feasibility, subsurface studies, host consortia, financing and engagement with communities rather than only national prestige.

The story, connected

Explore the people, places and ideas in this story

Go beyond the headline. Open a card for sourced context, maps, official links and the other subjects connected to this report.

Places

Saxony

rival candidate region cooperating with Flanders around the Einstein Telescope

In this story

rival candidate region cooperating with Flanders around the Einstein Telescope

Background

Saxony, officially the Free State of Saxony, is a landlocked state of Germany, bordering the states of Brandenburg, Saxony-Anhalt, Thuringia, and Bavaria, as well as the countries of Poland and the Czech Republic. Its capital is Dresden, and its largest city is Leipzig. Saxony is the tenth largest of Germany's sixteen states, with an area of 18,450 square kilometres (7,124 sq mi), and the seventh most populous, with more than 4 million inhabitants.

Places

Lusatia

official candidate location in Saxony for the Einstein Telescope

In this story

official candidate location in Saxony for the Einstein Telescope

Background

Lusatia, otherwise known as Sorbia, is a region in Central Europe, territorially split between Germany and Poland. Lusatia stretches from the Bóbr and Kwisa rivers in the east to the Pulsnitz and Black Elster rivers in the west, and is located within the German states of Saxony and Brandenburg and the Polish voivodeships of Lower Silesia and Lubusz.

Places

Sardinia

Italian contender location for the Einstein Telescope

In this story

Italian contender location for the Einstein Telescope

Background

Sardinia, officially the Autonomous Region of Sardinia, is the second largest island in the Mediterranean Sea after Sicily, and one of the twenty regions of Italy. It is located 200 kilometres west of the Italian Peninsula, 200 km (110 nmi) north of Tunisia, and 16.5 km (9 nmi) south of the French island of Corsica. Sardinia is one of five Italian regions with statutory domestic autonomy. It is divided into six provinces and two metropolitan cities.

Places

Italy

country of the Sardinia contender location

In this story

country of the Sardinia contender location

Background

Italy, officially the Italian Republic, is a country in Southern and Western Europe. It consists of a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land border, as well as nearly 800 islands, notably Sicily and Sardinia. Italy shares land borders with France to the west; Switzerland and Austria to the north; Slovenia to the east; and the two enclaves of Vatican City and San Marino.

Organisations

Flemish Government

named Belgian player in the project ecosystem

In this story

named Belgian player in the project ecosystem

Background

The Flemish Government is the executive branch of the Flemish Community and the Flemish Region of Belgium. It consists of a government cabinet, headed by the Minister-President and accountable to the Flemish Parliament, and the public administration divided into 13 policy areas, each with an executive department and multiple agencies.

Organisations

Infrabel

named Belgian infrastructure player in the project ecosystem

In this story

named Belgian infrastructure player in the project ecosystem

Background

Infrabel is a Belgian government-owned public limited company. It builds, owns, maintains and upgrades the Belgian railway network, makes its capacity available to railway operator companies, and handles train traffic control. The stations are still owned by SNCB/NMBS.

Organisations

NMBS/SNCB

named Belgian rail player in the project ecosystem

In this story

named Belgian rail player in the project ecosystem

Background

The M7 cars are a series of bilevel rail cars of the National Railway Company of Belgium (NMBS/SNCB). Developed from the M6 cars, they are built by Bombardier Transportation and Alstom. The first car was delivered in September 2018. The M7 coaches are mainly intended as intercity stock, they will completely replace the M4 and partly replace the M5.

Places

Plombières

local authority named as part of the Belgian project ecosystem

In this story

local authority named as part of the Belgian project ecosystem

Background

Plombières-les-Bains is a commune in the Vosges department in Grand Est in eastern France. It was the seat of the former canton of Plombières-les-Bains.

Places

Maastricht

city around the Euregio Meuse-Rhine bid area

In this story

city around the Euregio Meuse-Rhine bid area

Background

Maastricht is a city and a municipality in the southeastern Netherlands. It is the capital and largest city of the province of Limburg. Maastricht is located on both sides of the Meuse, at the point where the river is joined by the Jeker. Mount Saint Peter (Sint-Pietersberg) is largely situated within the city's municipal borders.

Places

Liège

city around the Euregio Meuse-Rhine bid area

In this story

city around the Euregio Meuse-Rhine bid area

Background

Liège is a city and municipality in the Belgian region of Wallonia, and the capital of the eponymous province. The city is situated in the valley of the Meuse, in the east of Belgium, not far from borders with the Netherlands and Germany. In Liège, the Meuse meets the river Ourthe. The city is part of the sillon industriel, the former industrial backbone of Wallonia. It is still the principal economic and cultural centre of the region.

Places

Aachen

city around the Euregio Meuse-Rhine bid area

In this story

city around the Euregio Meuse-Rhine bid area

Background

Aachen is the 13th-largest city in North Rhine-Westphalia and the 27th-largest city of Germany, with around 261,000 inhabitants. It is the western-most major city in Germany, lying approximately 61 km (38 mi) west of Cologne and Bonn, directly bordering Belgium in the southwest, and the Netherlands in the northwest. The city lies in the Meuse–Rhine Euroregion and is the seat of the district of Aachen (Städteregion Aachen).

Organisations

CERN

example of a large shared European research infrastructure

In this story

example of a large shared European research infrastructure

Background

The European Organization for Nuclear Research, also called European Laboratory for Particle Physics, known as CERN, is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in Meyrin, a western suburb of Geneva, on the France–Switzerland border. It comprises 25 member states. Israel, admitted in 2013, is the only full member geographically out of Europe.

Places

Limburg

region whose cross-border industrial and research role is part of Flanders’ interest

In this story

region whose cross-border industrial and research role is part of Flanders’ interest

Background

Limburg, also known as Dutch Limburg, is the southernmost of the twelve provinces of the Netherlands. It is bordered by Gelderland to the north and by North Brabant to the west. Its long eastern boundary forms the border with the German state of North Rhine-Westphalia. To the west is the border with the Belgian province of Limburg, part of which is delineated by the river Meuse. To the south, Limburg is bordered by the Belgian province of Liège.

Places

Voeren

local area included in the strongest potential Euregio Meuse-Rhine impact

In this story

local area included in the strongest potential Euregio Meuse-Rhine impact

Background

Voeren is a Flemish Dutch-speaking municipality with facilities for the French-speaking minority, located in the Belgian province of Limburg. Bordering the Netherlands to the north and the Wallonia region's Liège Province to the south, it is geographically detached from the rest of Flanders, making Voeren an exclave of Flanders. Voeren's name is derived from that of a small right-bank tributary of the Meuse, the Voer, which flows through the municipality.

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