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Pilot Projects for Energy Efficient Cities

Pilot projects are to show how energy efficiency in communities can be improved via intelligent use and networking of innovative technologies, planning and management methods. The EnEff:Stadt research initiative identifies assessment criteria and concepts as well as planning aids for municipalities and other actors, such as the housing industry and public utilities. In the context of the initiative, exergetically and economically optimised combinations of measures are developed for defined quarters. The implementation of these measures acts as an example and their effects are measured.The research is carried out in typical housing schemes. Development results are tested and assessed in typical city quarters. At the same time, the realisation of energy concepts and their monitoring and measurement is intended to implement the concept of integral planning. The aim is a minimum 30 percent reduction in primary energy use in the entire quarter through consistent application of new technologies and intelligent planning. The transfer of research and development results will provide the specific expertise needed to meet the urban development challenges of the future.

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Settlement type Neighbourhood
Projektstatus: Phase 4
EnEff:Stadt - Forschung für die energieeffiziente Stadt

Ludmilla energy-plus housing estate, Landshut

Energy-plus buildings epitomise the energy efficient integration of buildings with systems equipment. The aim of the project is to conduct building- and energy-oriented investigations by means of intensive monitoring. In addition to assessing the district concept in terms of the energy utilisation, the impact of energy-plus housing estates on the energy supplier’s electricity grid will also be considered.

Flagship project LowEx demonstration building Bugginger Strasse 50
Settlement type Urban district
Projektstatus: Phase 4
EnEff:Stadt - Forschung für die energieeffiziente Stadt

Model city district refurbishment: Weingarten West, Freiburg

The planning, implementation and measurement-based analysis of the energy-oriented refurbishment of the Freiburg city district Weingarten West is all being realised with the goal of a 30% reduction of primary energy consumption. The passive-house-standard refurbishment is to be demonstrated with the example of a 16-storey high-rise building. One key objective is stronger networking of the parties involved: building society, energy supplier and tenants.

Settlement type Neighbourhood
Projektstatus: Phase 3
EnEff:Stadt - Forschung für die energieeffiziente Stadt

EnEff:Campus: Climate-neutral campus at Leuphana University Lüneburg

The plan is to further develop Lüneburg’s university campus in the Scharnhorststrasse and Bockelsberg area in terms of both the urban development and energy use. Measures to the existing buildings, the integration of a new building as a central facility for the university and the conversion of the energy supply are being jointly examined.

Settlement type Block, ensemble
Projektstatus: Phase 3
EnEff:Stadt - Forschung für die energieeffiziente Stadt

Analysis of user behaviour in energy-efficient residential buildings

After comprehensive energy refurbishment of residential buildings or moving into energy-efficient new buildings, a deviation of the real energy demand from the energy demand calculated ex-ante can often be observed (performance or energy-efficiency gap). That means that the observed actual consumption is higher on average than the target consumption determined using static or dynamic calculation methods.

Centralcampus TU Braunschweig
Settlement type Neighbourhood
Projektstatus: Phase 3
EnEff:Stadt - Forschung für die energieeffiziente Stadt

EnEff Campus TU Braunschweig 2020

As part of the “EnEff Campus 2020” project, a multi-dimensional refurbishment concept for optimising the campus’s energy efficiency will be implemented during the next three years, scientifically monitored and measured during operation. Parallel to this, a precise investigation of possible variants will be conducted with the long-term goal of achieving a largely CO2-neutral campus.