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Kurztitel: EnEff: Stadt ENQM
Ausführende Stelle: Universität Stuttgart - Fakultät 2 Bau- und Umweltingenieurwissenschaften - Institut für Werkstoffe im Bauwesen
Förderinitiative: Energieeffiziente Stadt (EnEff:Stadt)
Laufzeit: 10/2016 bis 09/2020
Bewilligte Summe: 969.093 €
Förderkennzeichen: 03ET1417A
Topics: District concepts, Refurbishment of housing estates, Decentralised energy generation, Energy storage, Solar heat, Solar power, Modelling & simulation, Monitoring & balancing
Innovation: Low-exergy building technology, electrically and thermally activated roof tiles, electricity and heat storage systems as well as smarthome and smartmeter concepts are to ensure an optimised energy supply in the listed building stock.
Keywords:
Kurztitel: EnEff: Stadt ENQM
Ausführende Stelle: Rheinisch-Westfälische Technische Hochschule Aachen - Fakultät für Elektrotechnik und Informationstechnik - Lehrstuhl für Integrierte Analogschaltungen - Institut für Halbleitertechnik
Förderinitiative: Energieeffiziente Stadt (EnEff:Stadt)
Laufzeit: 10/2016 bis 09/2020
Bewilligte Summe: 809.765 €
Förderkennzeichen: 03ET1417B
Topics: District concepts, Refurbishment of housing estates, Decentralised energy generation, Energy storage, Solar heat, Solar power, Modelling & simulation, Monitoring & balancing
Innovation: Low-exergy building technology, electrically and thermally activated roof tiles, electricity and heat storage systems as well as smarthome and smartmeter concepts are to ensure an optimised energy supply in the listed building stock.
Keywords:
Kurztitel: EnEff: Stadt ENQM
Ausführende Stelle: Gas- und Wärme-Institut Essen e. V.
Förderinitiative: Energieeffiziente Stadt (EnEff:Stadt)
Laufzeit: 10/2016 bis 09/2020
Bewilligte Summe: 471.533 €
Förderkennzeichen: 03ET1417C
Topics: District concepts, Refurbishment of housing estates, Decentralised energy generation, Energy storage, Solar heat, Solar power, Modelling & simulation, Monitoring & balancing
Innovation: Low-exergy building technology, electrically and thermally activated roof tiles, electricity and heat storage systems as well as smarthome and smartmeter concepts are to ensure an optimised energy supply in the listed building stock.
Keywords:
Kurztitel: EnEff: Stadt ENQM
Ausführende Stelle: Margarethe Krupp-Stiftung für Wohnungsfürsorge
Förderinitiative: Energieeffiziente Stadt (EnEff:Stadt)
Laufzeit: 10/2016 bis 09/2020
Bewilligte Summe: 929.368 €
Förderkennzeichen: 03ET1417D
Topics: District concepts, Refurbishment of housing estates, Decentralised energy generation, Energy storage, Solar heat, Solar power, Modelling & simulation, Monitoring & balancing
Innovation: Low-exergy building technology, electrically and thermally activated roof tiles, electricity and heat storage systems as well as smarthome and smartmeter concepts are to ensure an optimised energy supply in the listed building stock.
Keywords:

Quintessence

  • In a historic quarter, the building shells are being upgraded and the plant technology modernized and networked.
  • Locally generated solar power and solar heat are to be integrated into the local energy system with storage capacities
  • Heat and electricity networks are to be linked in order to optimise energy flows in the system
  • Refurbishment modules to be scientifically investigated and implemented in an exemplary manner

The listed settlement Margarethenhöhe in Essen is a historic residential quarter. Many buildings have remained almost unchanged since the construction period. Researchers are now investigating how the energy efficiency of the settlement can be significantly increased beyond the measures taken so far - replacement of windows and roof insulation - in a way that is compatible with historical monuments. To this end, they are developing modular concepts that reduce energy consumption at neighbourhood level and integrate renewable energies into the energy system in the neighbourhood.

The housing estate was donated by Margarethe Krupp, who wanted to counteract the housing shortage resulting from industrialisation. The core of the settlement was planned and built between 1909 and 1933 by Georg Metzendorf as a garden city and later expanded in this sense. Today, a large part of the settlement is listed. The Margarethe Krupp Foundation for Housing Care, as owner, continuously carries out maintenance and refurbishment measures in coordination with the preservation of historical monuments. These measures include the replacement of windows, the integration of bathrooms, the expansion and insulation of unused attics, the upgrading of the heating system and the electrical system, and cosmetic repairs.

Research focus

As part of a larger research project, measures to increase energy efficiency and integrate renewable energies are to be investigated and implemented in an exemplary manner so that they can be more closely integrated into the redevelopment catalogue for the settlement. Various individual measures at building and neighbourhood level are dimensioned and optimised taking into account the boundary conditions of the settlement. The combination of several individual measures is intended to increase energy efficiency, reduce energy consumption and integrate renewable energies more strongly into the energy supply of the quarter.

In a first phase, the researchers will concentrate on simulation-supported analyses and on-site investigations of the constructional and climatic possibilities, on optimising the building envelope, energy generation and storage and on the networking of electricity and heat flows in the quarter.

After the research and development phase, selected refurbishment modules are implemented using exemplary objects and are then scientifically evaluated.

Concept

Most of the building shells are still in the same condition: largely plastered uninsulated brick masonry, partial single-pane glazing and uninsulated roofs. Within the framework of continuous maintenance, the original windows are replaced with the latest ones with thermal insulation glazing and the roofs are insulated.

After decommissioning and dismantling the originally combined heating, cooking, bathing and ventilation system, a large number of different heating systems can be found in the settlement today - they range from gas central and floor heating systems to electricity heating systems. In the course of the project, a combination of structural measures to improve the building envelope and modernise the building technology will increase energy efficiency, reduce energy consumption and integrate renewable energies more strongly into the energy supply of the quarter.

Since the settlement is a designated historical monument, only energetic refurbishment measures are considered that do not alter the shape of the buildings and do not impair the building substance worthy of preservation.

Last Update: 19. April 2018

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