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High-performance district in Dresden

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Innovative, sustainable and liveable: building a new model of smart city

To become smart, a city must use services, tools and technologies tailored to the needs of residents and businesses, and to their urban environment.

A mix of innovative technology-driven solutions and non-tech actions will make our cities more efficient and attractive.

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MAtchUP’s solutions turn urban problems into smart opportunities able to improve people’s quality of life and boost the local economy.

Ultimately, the project creates a more liveable environment for urban communities.

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Johannstadt is a densely built inner city district. 25,000 inhabitants on 3.51 km2 means a high density of about 7,200 inhabitants per km2 in this multicultural district.

After World War II, most of the area laid in ruin. It was then rebuilt mostly with socialist architecture during the 1960s and 70s. The area is a focus of city development by the municipality, many refurbishments have been started but some larger unrefurbished houses still remain.

To address this and to ride on the city's innovation wave, Johannstadt has seen its old buildings retrofitted and new smart ones constructed. Situated between the nearby river Elbe and the Dresdens central park the Large Garden and generally many green spaces, the district is now a nice place to live.


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This optimises the heat & electricity supply and acts as a control panel by transmitting the demand and weather information to the individual managers in the flats.
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The first step is to analyse the current energy state of existing buildings. Secondly, measures are set out. And finally, the buildings' energy technologies are overhauled, which includes: energy-saving contracts, monitoring, controlling, consultancy and performance optimisation.
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An increasing share of RES is linked to a larger flexibility of the DH-system:
  • Investigations on lowering the inlet temperatures of the DH system. To integrate RES, operating temperatures must be reduced. This minimises heat losses and emissions. Because of the thermo-hydraulic complexity of the DH-system, feasibility studies must be carried out.
  • Heat storage expansion. To raise the flexibility of the DH-system, the volume of the existing heat storage must be expanded. This shifts peak loads by uncoupling CHP- or RES-based production and demand and helps to better react to the fluctuating availability of RES.
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