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Intelligent and communicative metering system

Växjö

Detailed description of the Good Practice

Individual metering systems for heat, electricity and water consumption have been installed for tenants in Växjö. Furthermore, data containing information about consumption in particular households has been transferred to tenants in the intelligent and communicative way (putting the information on view for all tenants concerned or visualisation options within the web-based system).
This demand side management (DMS) strategy has been developed to make energy-related issues easier to understand and incline tenants to reduce their consumption (with visualisations and comparison options being main awareness raising tools). Moreover, special competitions have been organised in order to engage tenants even further. This has proved to be a good way to make them understand how easy it can be to reduce their daily energy consumption.
A web based system has been developed to provide tenants with a tool to visualise their energy consumption and compare their results with those of other households (according to different areas, such as heat, electricity, water).

energy efficiency
awareness raising

Objectives of the Good Practice

The main objective of this initiative is to raise the awareness of energy use among tenants via intelligent and communicative metering system and thus reduce the energy consumption by 10%.

Participants of the Good Practice

The city of Växjö

Target group of the Good Practice

The citizens and tenants of Växjö

Funding of the Good Practice

The city of Växjö

More Details of the Good Practice

The strategy has turned out to work well and initial results demonstrate lower energy consumption than expected.
While comparing results of the flats involved in the action and those of an average Swedish apartment, it comes into light that concerned flats have:
34% lower energy consumption (relates to flats, where tenants have to pay for their own energy consumption, which in turn creates economic incentives to save energy)
43% lower domestic hot water consumption (with relation to flats, where the electricity cost is included in the rent and therefore there is no real motivation to save energy).

Documentation and documents

www.veab.se

Available files

Contact details

Lars EHRLEN
Växjö Energi AB
Kvarnvägen 35 / Växjö, Sweden
Tel/Fax: +46 470 775 150
E-mail: lars.ehrlen@veab.se

Data sources and references

Association of European local authorities promoting local sustainable energy policies
www.energie-cites.eu/db/vaxjo2_577_en.pdf
(Accessed December 31, 2009)