Eco-cycle in Hammarby
To minimise the consumption of resources is the goal of Hammarby Sjöstad in Stockholm. Waste from energy cover a sustantial part of the community's energy needs.
BUILDING REQUIREMENTS. When establishing Hammarby Sjöstad, the planners have put tough requirements on buildings and technical installations. (Photo: Hammarby Sjöstad)
The so-called Hammarby Model takes into consideration energy sources and management of waste, sewage and water in housings and businesses. Local stakeholders like the energy company Fortum, Stockholm Water Company and the Stockholm Waste Management Administration have participated in developing the eco-cycle model.
Heat from waste
Combustible waste from the Stockholm suburb of Hammarby is incinerated, supply both electricity and district heating. Another example of renewable energy production in Hammarby Sjöstad is the use of waste heat from wastewater treatment to run the district heating system. The most clearly visible renewable energy source in the area is the integrated technology for using solar energy in larger residential buildings.
Building requirements
The eco-friendly suburb of Hammarby is a new residential district in Stockholm. When establishing Hammarby Sjöstad, the planners have put tough requirements on buildings, technical installations and the traffic environment. The goal is to half the impact emissions from Hammarby Sjöstad have on the environment compared to houses built in the 1990s in Stockholm.
Air conditioning from waste
In Hammarby Sjöstad waste even contributes to air conditioning systems. When the heat has been extracted from the warm, purified waste water, the remaining cold water can be used for district cooling. This is used for instance for refrigeration in grocery stores and in office buildings as replacement for energy guzzling air conditioning systems.
Further information
Eco-friendly in Hammarby
The main source of heating in Hammarby Sjöstad is district heating. 34 percent of this heat comes from purified waste water, 47 percent from combustible household waste and 16 percent from bio fuel. (2002)
Hammarby Sjöstad is part of the Södermalm district in Stockholm. This district has about 100,000 inhabitants. When Hammarby Sjöstad is completely developed, the area will have 11,000 eco-friendly apartments and 25,000 inhabitants.
