An Austrian project will use blockchain to help find waste heat points in the cities of Vienna and Graz.
Launched by the Austrian Institute of Technology (AIT) on May 12, HotCity is creating a gamma system to supply the city’s hot spots and channel them to provide public heating.
The platform will use the Ignis block chain, part of the Ardor ecosystem developed by the Swiss company Jelurida.
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Sustainability in Austrian cities
Vienna is home to one of the largest district heating networks in Europe, providing hot water through centralised heating lines in the city.
One of the benefits of this system is the ability to use waste heat from industrial processes to provide energy to consumers. This has an obvious impact on energy efficiency and CO2 emissions. Viennese energy suppliers claim a 75% reduction in energy consumption thanks to this system.
Additional energy districts“ that produce more
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than they consume can usually feed some of that waste heat into the grid, increasing efficiency.
But while large sources of waste heat, such as large factories and data centres, are easy to identify, smaller sources remain untapped.
The HotCity project would therefore help to form accurate and detailed data sets that could contribute to improving urban planning in Austria. 310,000 from the Austrian Federal Ministry for Climate Action, Environment, Energy, Mobility, Innovation and Technology.
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Dr. Ernst Gebetsroither-Geringer, head of the IWA HotCity project, told Cointelegraph that Vienna is estimated to produce 400 gigawatt hours of usable waste heat. Although not everything will be economical, this is what the HotCity project is all about:
„The idea is to develop a method with gamification to estimate the potentials […] Crowdsourcing does not recover the waste heat but ‚only‘ shows the potentials that exist.“
How it works
The HotCity platform aims to make the collection of the necessary data „voluntary and fun“ by rewarding users with tokens that can be exchanged for goods and services. Citizens can submit information with an application by making physical on-site inspections, or even by scanning photos and Google Maps.
As Gebetsroither-Geringer explained, the block chain is used both to secure the data and to make it private, while facilitating the exchange of tokens on specific vouchers.