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Current developments in energy policy also pose major challenges for Switzerland in terms of security of supply and grid stability. Avag Umwelt AG and Energie Thun AG have founded the joint venture Future Hub Region Thun AG to ensure optimal use of existing energy production capacities and thus security of supply in the region.

The first joint project is a 20-megawatt combined heat and power plant on the site of the waste incineration plant in Thun. Future Hub Region Thun AG has commissioned Kraftanlagen Energies & Services to act as general contractor for the construction and commissioning of the cogeneration plant.

In the future, the power-to-heat plant will convert surplus electricity into heat. This heat can then be distributed to numerous private households as well as businesses and industry in the Thun region and used for heating or hot water. At the same time, by converting electricity into heat when there is excess production from renewable energy sources, the power-to-heat plant will relieve pressure on the electricity grids and minimise the risk of grid instability.

Project data for the power-to-heat plant in Thun:

Plant type: 1 x hot water electrode boiler, 20 MW

Plant technology: Electrode boiler, primary and secondary circuit withconnection to district heating system, low-voltage power supply

Elektrode steam boiler:

  • Manufacturer: Parat
  • Output: 20 MW
  • Voltage level: 16 kV

Construction period: 12/2022 – 09/2023

At the end of July, an important milestone in the construction of the plant was reached with the installation of the electrode boiler – the heart of any power-to-heat plant. A particular challenge was to insert the boiler through the facade of the boiler house in extremely tight conditions. Chain hoists were used to lift the boiler millimetre by millimetre from its horizontal position and simultaneously lower it to the installation site in the basement.

We have documented this exciting construction phase for you with our video.

After a total construction period of only 10 months, the power-to-heat plant was handed over to the customer at the end of September 2023.

Would you like to know more about how a power-to-heat plant can make an important contribution to the energy transition and security of supply? For more information, read our short interviews on power-to-heat:

In our short video, Stefan Pomp, Head of the Renewable Energy Systems Department, explains what power-to-heat means, what advantages and applications this technology offers and how Kraftanlagen Energies & Services can support its customers in integrating power-to-heat into their existing plant structures.
At Hannover Messe 2023 Yngve Halvorsen of Parat Halvorsen talks about what makes the partnership between Kraftanlagen and Parat so special and the unique features that set this joint venture apart from the competition.