70372 Stuttgart: Europe's largest wastewater heat utilisation plant will in future supply the new residential and commercial area with 850 residential units, commercial areas, parks, squares and streets on a total of 22 hectares and is thus a beacon project for renewable energies. The sewer will provide local heating and cooling via a 300 m long heat exchanger. The system has been installed since 2018 and will be put into operation as soon as the heating centre is also in full operation. The quarter is still under construction. Planned completion of the quarter: 2021
Thema: Local heating
85665 Moosach: In the community of Moosach, the cooperative Regenerative Energie Ebersberg eG and the company NATURSTROM AG have implemented a solar local heating network with a collector field of 1067 sqm and a buffer storage of 100 cubic meters. If the sun is not enough, a biomass boiler supports the energy supply. This is fed with wood chips from the region of maximum 40 kilometers. Completion: 2018
74564 Crailsheim: 250 residential units and a school with sports hall (Hirtenwiesenhalle). Solar local heat supply for the base load heat of 2000 apartments with 7,410 m² collector surface, a 39,000 m³ geothermal probe heat storage, two buffer storage tanks (100 m³ + 480 m³) and a compression heat pump (80 kW). Completion: 2008
D - 73262 Reichenbach an der Fils: In the district of Esslingen in Baden-Württemberg, a new neighbourhood is being built with a so-called "cold local heating network", which will not only heat the 41 houses in an environmentally friendly way in future, but will also contribute to the temperature control in summer. Photovoltaic systems, including storage, which will supply the neighbourhood with home-generated solar power around the clock, round off the energy concept. An innovative local heating supply based on geothermal energy takes centre stage.
21107 Hamburg-Wilhelmsburg: The former flak bunker in Wilhelmsburg has become a symbol of the climate protection concept Renewable Wilhelmsburg. The monument, which has been virtually unused since the end of the war, was refurbished as part of the IBA Hamburg and converted into a renewable power plant with large-scale heat storage. The energy storage facility has a volume of 2,000 cubic metres, which corresponds to 2,000,000 litres. It supplies the 120-hectare Reiherstieg district with climate-friendly heat and feeds renewable electricity into the Hamburg distribution grid.
10965 Berlin: Cooperative for self-managed, social and ecological living eG. In the Möckernkiez model project, 471 residential units were created in 14 residential buildings. They were built according to the passive house standard and ecological building criteria. 0.21 parking spaces per unit. Property size: 30,000 m². It is barrier-free throughout and designed to be free of car traffic at the neighbourhood level. The Möckernkiez is located directly adjacent to the southeastern entrances of the Park am Gleisdreieck. Completion: 2018
22844 Norderstedt: 36 terraced houses in low-energy construction, all roofs are completely greened, combined heat and power plant. Completion: ~2002
22926 AhrensburgSite area: 6.4 ha; 15 houses with 1 - 14 flats with high ecological standards (110 units); 40% of the built-up area for commercial use. Largest residential project with living and working in Schleswig-Holstein. Completion: 2012
23617 Stockelsdorf: 24 flats in 13 terraced houses, two semi-detached houses, 1 detached house (and ... ?). Timber frame construction with solid infill (bricks) in the south façade and highly insulated infill (cellulose) in the north façades. Conservatories, combined heat and power unit, rainwater utilisation, PVC-free construction, healthy living materials and paintwork. Architectural partnership Rolf Zeschke (Bad Schwartau) & Uwe Witaszek. Completion: ~1997
24159 Kiel-Pries: In 7 buildings around a car-free courtyard of approx. 6,500 m², a total of 27 apartments between approx. 40 and approx. 125 m² living space and a community house with a grass roof, as well as an organic food store in an existing building have been created in a space-saving architecture. Four of the buildings are new constructions, in the other two buildings old building substance was redeveloped. Completion: 2003
30629 Hanover-Miesburg: "Regenbogensiedlung", 111 council flats, GFZ 0.88. 9,000 m² living space. Occupancy 1996. 900 euros/m². Architect: Schmitz, Aachen, property developer Gundlach, Philipp Holzmann AG - CHP, low-energy construction, extensive green roof - pergola development
33649 Bielefeld-Quelle: 96 units, architect: Hans-Friedrich Bültmann, special features: all buildings are equipped with composting toilets and the highest composting toilet in Europe is located on the 5th floor. Further water measures: rainwater infiltration, own drinking water source; a reed sewage treatment plant was planned but could not be realised. Energy: BHKW, local heating network, internal cable TV, telephone distribution. Social: KiTa, craftsmen's yard, cooperative project. Economy: Development as a large plot, low-cost construction with partly much own work. Construction time: 1997
72074 Tübingen: with 111 apartments, it is the first large ecological settlement in Germany, GFZ 0.9, open space design according to H. Kügelhaus, building biology, wooden ceilings, natural food shop, naturopathy practice, social housing, planning team: Eble, Sambeth, Oed, Häfele, the first large ecological settlement in Europe. Since 2018, the pioneer settlement is a listed building. Completion: 1985
74549 Wolpertshausen: Bioenergiedorf mit Ökosiedlung. 1.800 EW. Ca. 50% Erneuerbare Energien. "Ecological residential area Wolpertshausen" wird komplett über Nahwärme bzw. von Biogas-Gemeinschaftsanlage (Inbetriebnahme: 1996) versorgt.
76187 Karlsruhe-Nordweststadt: the design was planned for an undeveloped plot of land as a student research project at the University of Karlsruhe in cooperation with the association ASKA e.V., but was not realized. Concept: 140 units, photovoltaic and biomass CHP, business and office facilities, community facilities, gastronomy, car sharing tower, reed sewage treatment plant, board stack wood construction, hemp, flax or cellulose insulation, social settlement concept, integrated living. Completion: not realized
24113 Kiel-Hassee: Werkgemeinschaft für Architektur und Städtebau (Heidrun Buhse, H.Schulze, a.o.), 21 dwelling units, reed sewage treatment plant, compost toilets, BHKW with local heating network, planning by architects, cooperative, participation, community house, kindergarten, architectural office, organic building form. Completion: 1992
30539 Hanover-Kronsberg: Reducing energy consumption through low-energy construction, saving electricity and using CHP units. A passive house estate (see "Lummerland estate") and a solar estate with solar local heating and seasonal storage were realised as sub-projects. Intensive green space design. Rainwater is channelled into the trough-trench system. Completion: 2000
76228 Karlsruhe-Hohenwettersbach: "50 Morgen": 150 WE. Verschiedene Architekten und Bauträger u.a. P.I.A., Gisa und Ingo Bohning, LEG Baden-Württemberg. Energieversorgung erfolgt über ein Nahwärmenetz, das von einem Block-Heiz-Kraft-Werk (BHKW) Strom und Wärme bezieht. Das BHKW verbrennt Biogas, das aus einem Teil der Karlsruher Bioabfälle gewonnen wird. Teilweise wurden die Gebäude in Passivhaus- Bauweise realisiert und ökologische Materialien verwendet. Fertigstellung: 2004