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1

​​Total production and distribution system ​

In Gothenburg a large amount of waste heat, from both waste incineration and industries, is used in the district heating system. There is also heat pumps taking care of the heat in sewage and plants using bio fuels such as wood pellets, wood chips and bio oil. There is also a district cooling system in the city using […]

2

​Climate agreement

A Climate agreements means th​at customers are offered a certain indoor temperature range, e.g. 21 centigrades, +/- 1 ​​centigrade. Then it is up to the energy company to manage this agreement as efficiently as possible.​ The customer property is connected to Gothenburg Energy ‘s operations center. Here the radiator water temperature in the property is regulated […]

3

​District heating for ships in harbour

A ferry docking in Gothenburg several times a week, Stena Danica will be connected to the district heating system when in the harbour. There are already possibilites available to connect ships at the quay to the electrical grid, but heating equipment on board still needs to be used. When using district heating from the city […]

4

District heating to white goods​

There is a general drive in society to be more efficient with and reduce our use of electricity, and as part of that to utilise other available energy sources. Though it is still in the early utilisation phase this demonstrator is testing an additional way to use a district heating network in the operation of […]

5

Buildings for short-term storage​

A total of 900 flats will be constructed and these buildings will be used for short term thermal storage; this means they will be used to store heat when demand is low and release heat back into the building when heat demand is high. By using these buildings as thermal stores you are able to reduce […]

6

​Solar heat to district heating system

In collaboration with a customer, Göteborg Energy connected a solar plant to the district heating system in 2000. This is the first time a solar plant is connected to the district heating system in Gothenburg so the evaluation of the project is important. The local condition in Gothenburg is not optimal for solar heat due […]

7

Absorption cooling

Abs​orption is a process which uses waste heat from inter alia waste incineration and refineries during the summer months to convert heat to cooling. The method is extremely reliable and environmentally friendly because it saves electricity and minimises noise. District cooling is distributed to central Gothenburg in a separate network in a buried pipeline system.​

8

​Cooli​ng by river water Gothenburg

The benefits of district cooling are decreased use of harmful cooling agents, no noise from cooling towers or compressors, efficient use of energy and resources, reduced electricity consumption and environmentally friendly. Cold water from Göta Älv river is fed into the district cooling network.

9

​CHP and biofuels

Göteborg Energi has several heat supply production units. Different kinds of fuel are used, among them bio oil, recovered wood waste and wood pellets. ​Sävenäs boiler HP3 was built in 1985 as a clean coal boiler to produce heat for district heating. In years gone by, the boiler has been converted to produce heat with cheaper […]

10

​​Recovery of waste incineration heat

Approximately 500 000 tons of waste is incinerated in Gothenburg each year. Half the refuse comes from households and the other half from, among other things, businesses.  Four incinerators are in operation and the exhaust gases go through a cleaning system. Thirty percent of the heat in the district heating network is delivered from the waste incineration plant, supplying […]