Research sustainable heat sources for heat networks in Bruges
The Bruges Climate Plan 2030 outlines more than 200 actions to reduce CO₂ emissions, including the search for additional high- and low-temperature green heat sources.
Client
City Council of Bruges
Contact
Lies Debbaut
lies.debbaut@stadbrugge.be
Location
Bruges
Budget
approx. 55,000 EUR (excl. VAT)
Period Study:
2022–2024
In 2021, the heat zoning plan for the entire territory of the city was approved by the college and the city council, a first step to give direction and scientific support to the vision and policy on sustainable heat for Bruges. This plan outlines which neighborhoods and streets are cost-optimally best to be heated collectively sustainably by 2050.
Bruges 2030 Climate Plan Goal Calls for a Search for Heat Sources
The Bruges2030 Climate Plan, approved in February 2022, aims to reduce CO₂ emissions by at least 49% by 2030—a step toward becoming a climate-neutral city by 2050. More than 200 actions are planned, including the search for additional sources of green heat, at both high and low temperatures. In 2021, a thermal zoning plan was approved, identifying the neighborhoods where sustainable district heating will be economically optimal by 2050.

Ingenium's assignment, together with partner EXTRAQT, involved investigating the possible sustainable heat sources that could be used in the city of Bruges to provide public and private buildings with sustainable heat through a collective system.
Various in-depth studies
Ingenium conducted an in-depth study of the available renewable heat sources throughout the entire territory of Bruges and its boroughs.
The result is a list and a map of the heat sources, supplemented with information on available capacity, heat output, and temperature, along with an initial qualitative assessment of the heat's usability.
This study covered industrial waste heat (such as in the Port of Zeebrugge and industrial parks), solar energy generated on unused land (CST, PVT, solar water heaters), heat from geothermal sources, heat from surface water, wastewater, and drinking water, as well as non-site-specific solutions such as air-to-water heat pumps and boilers fueled by various fuels.
Simulations were used to evaluate, on a zone-by-zone basis, whether the identified sources could meet current and future energy demand, including thermal storage systems and peaking power plants to handle demand spikes.

Evaluation in terms of energy and economic factors as well
Finally, a detailed energy and economic evaluation was conducted, including capital expenditures (CAPEX), operating expenses (OPEX), total cost of ownership (TCO), and a projected heat price. This analysis provides the city of Bruges with a solid foundation for planning and implementing sustainable, efficient, and economically viable district heating infrastructures.
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