ReUseHeat Project - Newsletter #6

Let's not waste heat!


Since the last ReUseHeat newsletter in March 2020, the COVID-19 pandemic and other developments have affected the implementation of the project. In order to finalise the roll-out of the demo sites and have sufficient time to evaluate the performance of the waste heat recovery solutions, ReUseHeat has been officially extended until September 2022.

The project is implementing four large scale demonstrators to prove the technical feasibility and economic viability of recovering and reusing excess heat from data centres, sewage collectors, a hospital cooling system and an underground station. This H2020 project aims to overcome both technical and non-technical barriers to the unlocking of urban waste heat recovery investments across Europe.

Read our sixth newsletter to find out about our ongoing activities and latest project results!

Data Centres

The data centre has a significant cooling demand, producing excess heat - which will be fed to a low temperature district heating network


Underground Transport

Waste heat produced in the tunnel of the metro network will be recovered and reused in a local low-temperature district heating network


Waste Water Management

An integrated urban planning concept will include the innovative recovery of waste heat from a sewage system


Tertiary Buildings

An advanced solution based on heat recovery from a hospital's cooling process will be linked to the nearby district heating



Demo site change in Berlin

Due to unforeseen construction works at the metro station initially chosen to demonstrate the innovative concept of the recovery and reuse of waste heat from underground, this concept will be implemented at the Friedrichstraße metro station.

The innovation consists of recovering heat from the metrosystem into a low temperature district heating system. The recovery will be undertaken from the tunnel. The solution is highly modular and compact and can therefore be applied to any platform or tunnel as well as scaled up.


ReUseHeat creates a web-based visualisation tool

To foster urban waste heat recovery projects, it is of great importance to quantify and locate the urban waste heat potential from non-conventional sources in the countries of the European Union. In this sense, a web-based visualisation tool has been created with real information about the potential of urban excess heat using data collected within the project.

The data collection is still in progress. We would like to invite relevant actors and stakeholders across the EU to help us gather available information by filling in the ReUseHeat survey.


Policy webinar: How can waste heat recovery help decarbonise cities?

On 25 June 2020, ReUseHeat together with the Urban Agenda Energy Transition Partnership action 2 and the Celsius initiative, organised a policy webinar to discuss the expectations from the European Commission Strategy for Energy System Integration, as well as policy and economic recommendations coming from various projects and initiatives.

Experiences from the field (i.e. industrial and urban waste heat recovery) were presented, and a position paper providing recommendations to foster waste heat recovery in cities.was discussed.


ReUseHeat is part of the Innovation Radar

The Innovation Radar is a European Commission initiative to identify high potential innovations and innovators in EU-funded research and innovation framework programmes.

Over the summer, two ReUseHeat partners received a notification that their innovations developed in the project have been included in the European Commission’s Innovation Radar.



Focus on project results

An updated report on Scalability, replicability and modularity has been added to the project documents & newsletter section of the ReUseHeat website


The report proves that the business models of all four demonstrators are viable, indicating that when demand for the urban waste heat recovery solutions increases and the green value generated by them is fully acknowledged by the market, then they can be both scaled up and replicated.

Latest publications

The Role of Low Temperature Waste Heat Recovery in Achieving 2050 Goals


This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 767429

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