Diverse patrimony

The city of Bruges has a very large and diverse building heritage. These include schools, museums, administrative buildings, heritage buildings and sports infrastructure. The city faces the particularly daunting task of making each of these buildings thoroughly sustainable.

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Route plan climate neutral city buildings

To give the city insight into this challenge, the project "Route Plan Climate Neutral City Buildings" was launched. An energy performance certificate for non-residential buildings (EPC-NR) was prepared for 67 buildings and sites. A comprehensive analysis was then conducted for each of these buildings to see what is needed for a climate-neutral building heritage. The route plan included various energy-saving measures per building or cluster of buildings, such as insulating the various building envelopes, installing a heat pump, connecting to a heat network, adapting ventilation, adapting heat emitting elements such as radiators, installing solar panels, relighting, control-technical optimization, etc., each with their investment cost, energy savings and CO2 reduction. Each building was checked for compliance with the imposed legal requirements.

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Insights

In this way, the city has insight into following elements, both at the building or site level and at the building heritage level:

The necessary investments and investment costs to achieve a climate-neutral urban patrimony

Prioritization of investments

The impact on the energy label (EPC-NR) of each of the calculated energy conservation measures  

The impact on energy consumption of each of the calculated energy conservation measures  

The impact on energy bills of each of the energy savings measures calculated

The impact on total CO2 emissions from the building portfolio

Visualization of the CRREM (Carbon Risk Real Estate Monitor) curve or other sustainability targets

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Dynamic tool

All this accumulated data was visualized in a dynamic environment. This environment allows the city to make changes to the data. For example, the city can change the implementation period of a particular measure, evaluate the implemented measures, update the energy consumption per building annually, add measures itself,... In this way, the roadmap is a working tool for the city to stay "on track" with the goals and align with the internal strategic objectives.

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