By 2025, the ambition is that all district heating in Gothenburg will be produced from renewable or recycled energy sources. Gothenburg Energi and Siemens have therefore initiated a collaboration with the aim of testing Swedish technology that enables operation with renewable fuels in Rya cogeneration plants, which today are powered by natural gas.

A first step in the collaboration is the installation of a test turbine at Rya KVV for validation of 3D-printed burners, which in the long run makes it possible to test different fossil-free fuels in the plant.

– In Rya cogeneration plants, both district heating and electricity are produced. The plant plays an important role, not least in Gothenburg’s electricity supply. Together with Siemens, exploring the possibilities for a conversion of both electric power and heat production is one of the puzzle pieces in our work for fossil fuels, says Alf Engqvist, CEO of Gothenburg Energy, who today, on Tuesday, November 5, met Hans Holmström, CEO of Siemens Industrial Turbomachinery, at Rya KVV to sign the cooperation agreement.

Climate change is real and a major challenge. There is an increased need for electricity and heat production, while carbon dioxide emissions must decrease. Sweden and the world’s ambitious climate targets require measures in several parts of society and the solutions look different depending on local conditions.

– The gas turbine technology that we have developed in Finspång can be used both as base power and balance power depending on the needs that exist, says Hans Holmström. Furthermore, we can already fire high proportions of fossil-free fuels today, such as biogas and hydrogen in our gas turbines, with the goal of being able to run 100 percent fossil-free in the near future. In our collaboration with Göteborg Energi and Rya cogeneration plants, we see the possibility of verifying several different green fuels on a larger scale, first in Sweden and then in other parts of the world. We hope to demonstrate the possibilities for sustainable and cost-effective fuels.

Facts:

  • The collaboration between Gothenburg Energi and Siemens aims to test renewable fuels at Rya Kraftvärmverk, located in the Energy Port of Gothenburg.

  • In a first step, a test turbine for validation of 3D-printed burners has been installed in the plant. 3D printing, or additive manufacturing as it is called, opens up for new materials and designs of burners.

  • The test will run for one operating season, until April 2020. If the test fails, there is the possibility to try new types of burners and fuels.

  • Rya CHP was delivered turnkey by Siemens in 2006.

For more information contact:
Cecilia Erdalen, Press Manager Gothenburg Energy, 070-466 04 28
Madeleine Davidsson, Press Manager Siemens Industrial turbomachinery AB, 070-2059329


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