Germany

ACT2 Site Hannover

Hannover, the capital of the German federal state of Lower Saxony, has had a focus on energy efficiency since at least the mid-1990s when it approved a local climate protection programme. Energy efficiency of buildings has already been a key consideration as around half of Hannover´s housing stock was built in the 1950s and 1960s to low energy retention standards. Hannover thus began to explore ways of financing modernization and retrofitting of buildings, and installing renewable energy capacity, such as solar water heating.

Energy in Minds! Site Neckarsulm

The city of Neckarsulm is a city in northern Baden-Württemberg and part of the district Heilbronn. It has an approximate population of around 27,000 inhabitants and is regarded as one of the cities with the highest density of solar thermal- and PV systems in Germany.

POLYCITY Site Ostfildern

The CONCERTO community in Ostfildern is a district named Scharnhauser Park. The Scharnhauser Park is located on the site of a former US military base, which became available after American withdrawal as the Iron Curtain fell. It covers 150 ha in the municipality of Ostfildern, a town of 35,000 people on the eastern borders of Stuttgart.

SEMS Site Weilerbach

The association of municipalities Weilerbach is located close to Kaiserslautern in western Germany. It is a rural area – the district covers eight villages from Reichenbach-Steegen in the West to Rodenbach in the East. Weilerbach´s aim is to become a zero emission village by achieving CO₂ neutrality by 2015.

DIRECTION Site Munich

The city of Munich participated in the DIRECTION project that aimed at demonstrating how the use of very innovative and cost-effective energy-efficiency technologies can lead to the achievement of very-low-energy new buildings. This objective, along with the effective adoption of low-energy buildings, was achieved by switching to a model whereby energy efficiency provides value to the market and represents an attractive asset across the whole of the value chain.

SCHOOL OF THE FUTURE Site Stuttgart

The aim of the SCHOOL OF THE FUTURE project was to design, demonstrate, evaluate and communicate shining examples of how to achieve the high-performance building of the future with a focus on school buildings. One of the project’s demonstration sites was the Solitude-Gymnasium, which is located in the north-west of Stuttgart, the capital of the federal state Baden-Württemberg (south-western Germany).

E2REBUILD Site Augsburg

The E2REBUILD demonstration site in Augsburg (southern Germany) consists of two multi-storey residential buildings with typical post-war characteristics from 1966. The buildings are a three-storey block with 12 apartments and a six-storey block with 48 apartments. They have been fully retrofitted including building services and bathrooms, with residents remaining in their apartments during the construction work.

E2REBUILD Site Munich

The E2REBUILD demonstration in Munich, Germany consisted of two blocks of residential multi-storey buildings in the suburb of Sendling, built in 1954. The buildings, owned by the public housing company GWG München, represented uniform standard blocks built in the post-war decade of the 1950s to fulfil urgent housing needs, with three storeys and accessed by inner staircases. The resources were quite poor concerning material, construction and design, resulting in a lack of variability, technical facilities, daylight and comfort inside the buildings.

GrowSmarter Site Cologne

Situated on the banks of the River Rhine, Cologne is the fourth largest city in Germany and home to key players in business and industry. The city is committed to the EU’s goal of achieving a 20 % reduction in greenhouse gas emissions, a 20 % increase in the share of renewable energy and a 20 % increase in energy efficiency by 2020 based on 1990 levels. It aims to reduce CO₂ even further, with a 50 % reduction by 2030.

EU-GUGLE Site Aachen

The city of Aachen has 248 000 inhabitants and is situated at the western border of Germany with Belgium and the Netherlands. The district Aachen-North, which is the focus of the EU-GUGLE project, is a heterogeneous area with a mixture of recent and old industrial and residential buildings. It is spread over 300 hectares and has 15 500 inhabitants. The urban planning focuses on revitalising and improving the attractiveness of the district.

CELSIUS Site Cologne

In large cities such as Cologne, heat generation accounts for more than two-thirds of stationary energy consumption. This is why it is necessary to consider ways to make more efficient use of non-fossil energy sources and create more sustainable heating systems in metropolitan areas. One idea is to recover heat from wastewater systems that is currently simply flushed away.

Smarter Together Site Munich

The Munich lighthouse demonstration area within the SMARTER TOGETHER project is located at the western edge of the city, and includes both the large urban redevelopment area Neuaubing-Westkreuz and the flagship new development area Freiham, set to become a model of low-carbon development for up to 20 000 new residents and 7 500 new jobs. With the aid of cutting-edge technology and the intelligent use of data, Munich’s objectives are to cut CO2 emissions by more than 20 %, raise the use of renewable energy to above 20 % and increase energy efficiency by more than 20 %.

Fellow city: Essen

ESSEN is one of the follower cities of REPLICATE, with 593.085 inhabitants, and awarded the European Green Capital 2017.

Fellow city: Leipzig

As a Triangulum Follower City Leipzig replicates solutions from the other Lighthouse Cities. Much effort has been made to encourage sustainable action.

MAtchUP Dresden

Dresden is a city of knowledge and skills. Almost half of all workers have scientific and technological careers or have studied a subject in that field. The people of Dresden have a deep-rooted tradition of engineering and openness towards new technologies. The interdisciplinary collaboration between businesses and research facilities helps move Dresden forward.

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