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
Thema: Heat accumulator
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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
70806 Ludwigsburg: With a collector area of 14,800 m², Stadtwerke Ludwigsburg-Kornwestheim has built the largest solar thermal plant in Germany. In a 20-meter high heat storage tank with a volume of 2,000 cubic meters, the solar-generated energy is available even when there is little or no solar radiation. The collectors collect around 5200 megawatts of heat per year, enough to supply around 300 average households. Completion: 2020
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.
69123 Heidelberg-Pfaffengrund: Water from the district heating network is stored in the storage tank and fed back in when required.
18055 Rostock: 108 apartments in 11 buildings. Apartment sizes between 44 and 93 m². Location: Brinckmanshöhe residential park. Completion: 2000
22175 Hamburg-Bramfeld: 130 WE, one of the larger solar local heating projects with a 4,000 m3-water storage tank. Completion: 2000
30539 Hanover-Kronsberg: Sub-project of the Expo 2000 new housing development. 106 apartments with large solar collectors on the roofs, as well as solar local heating with seasonal storage. It is located in the southeastern part of the district. Completion: 2000
48565 Steinfurt-Borghorst: 42 WE, Projekt mit Solarer Nahwärme und Saisonalspeicher (1. Projekt von "50 Solarsiedlungen NRW"). Fertigstellung: 2000
50735 Cologne-Niehl: Redevelopment and addition of 11 apartment blocks with rental apartments. 300 flats before refurbishment, 345 flats after refurbishment. Average 47 m² before refurbishment, approx. 55 m² after refurbishment. Architecture: ARCHPLAN Münster. Client: State development company (LEG Wohnen NRW). Completion: 2010
74172 Neckarsulm-Amorbach: the largest solar local heating project to date with a 150,000 m3 -The storage capacity was 65,000 m³ in 1997 and 115,000 m³ in 2001. The entire new development area with a total of 4,000 residential units has been realised in low-energy construction and is supplied via various local heating islands and CHP units. 2004: a biomass heating plant was put into operation. A housing estate with 1,300 units and a school are supplied by a solar system with seasonal storage.
80797 Munich: to 45% solar supplied housing estate consisting of 4 large blocks of flats as well as eight smaller town houses with a total of 319 flats (30,400 m2 floor space). The residential buildings were constructed and marketed by five property development companies. The solar district heating neighbourhood was the third of four construction phases of the "Ackermannbogen" development area in Munich (total size: 2,200 flats, 500 workplaces and 9.2 hectares of new green space). Completion: 2006
88045 Friedrichshafen: 570 apartments, 40,000 sqm living space, 4.2 million euros for solar technology = 5,500 euros additional investment per apartment = 83 euros/sqm living space, research project of ITW, Stuttgart, solar coverage ratio is of 50 % (heating and hot water), 4,056 sqm solar collectors, 12,000 cubic meters storage (33 m diameter, 20 m high)
85049 Ingolstadt: With 116 units in timber construction out of a total of 142 units, this is one of the larger timber housing estates in Germany. It was realised in three construction phases, with 81 units by bogevischs buero architekten & stadtplaner gmbh, Munich; as well as 35 by Behnisch Architekten, Stgt. and 26 units by Brand Architekten, Ingolstadt (in mineral construction); client: St. Gundekar-Werk Wohnungs- und Städtebaugesellschaft mbH, Schwabach. Completion: 2011
