Phase 2 thermal energy storage | Northern entrance at Kralingse Zoom closed for five months starting 15 June

Drilling on campus - detour first, energy savings later!
WKO boorinstallatie Haitjema

From 15 June to 10 November 2026, the north-eastern entrance to the campus grounds on Kralingse Zoom (near the F and G Buildings) will be closed to pedestrians and cyclists, resulting in a detour. The closure is necessary to allow for the installation of thermal energy storage systems that will supply the Tinbergen Building with sustainable energy.

Ruud van Eck, Site Project Manager at Real Estate & Facilities, explains what is going to happen: “From 15 June, we will be installing two cooling wells at the north-eastern campus entrance. We will try to cause as little disruption as possible, but we cannot prevent it entirely. Unfortunately, this means that cyclists and pedestrians will have to take a detour to reach, for example, the Exam Centre and the University Library, but it will save a significant amount of energy in the long run!”, says Ruud.  

Diversion and impact  

From 15 June to 10 November 2026, cyclists and pedestrians coming from Kralingse Zoom metro station will need to take a detour via Erasmus Plaza to reach these buildings:  

  • Exam Centre (S Building)
  • University Library (UB)
  • Theil Building
  • Erasmus Building (including auditorium)

The diversion route runs via Kralingse Zoom and Erasmus Plaza; see the map below. The diversion is signposted with yellow signs and there is also a traffic warden on the Kralingse Zoom side.  

Detour route map

Omleidingsroute / deviation route

Vehicles with a permit to use the construction access road can continue to use the entrance to access the road.

Energy-efficient and reliable  

The entrance is closed due to drilling for a thermal energy storage system (TES) for the Tinbergen Building. This is an energy system that stores heat and cold in the ground to cool and heat the building in a highly energy-efficient and stable manner. A TES system saves up to 80% energy. An important step towards a sustainable and reliable energy supply on campus!

Read more about the previous thermal energy storage drilling in Park Noord: 

More information

Do you have any questions regarding this message? Please check the frequently asked questions or contact the Real Estate & Facilities Service Desk at servicedesk@eur.nl.  

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