SSAB in Borlänge has a pilot plant in operation that reduces energy wastage.
SSAB’s sheet plant in Borlänge generates electricity from waste heat with new Swedish innovation.
Huge amounts of waste heat are lost in today’s sheet metal fabrication. SSAB in Borlänge has a pilot plant in operation that reduces energy wastage. The plant, which will provide 700 MWh of electricity per year, from the development company Climeon in Stockholm.
– We have verified the technology in a test environment before but this is the first installation in a real environment. It is amazing big for us, says Thomas Ostrom, CEO and founder of Climeon.
The company’s patented technology has similarities with so-called ORC system, where the ORC stands for Organic Rankine Cycle. A carrier liquid circulates in a closed system in which waste heat causes the liquid to vaporize. The gas drives a turbine which in turn drives a generator that produces electricity.
What is unique is that Climeons carrier fluid is much lower pressure compared to traditional systems. This means that the plant can be built with less material and lower cost. Low pressure also means that it can use more efficient carrier liquids and turbines. It helps that the company managed to increase efficiency to more than 10 percent, when the energy source is the 90-degree water. This makes it profitable to extract electricity from waste heat, according to Thomas Ostrom. Even with today’s low-Swedish electricity prices.
– all say they care about the environment, but it is money that control, he says .
plant in Borlänge is a pilot, and if everything goes the way hope Climeon on additional installations.
– There is enough heat in the factory to supply 10 to 15 such systems, says Thomas Ostrom.
It would then mean an annual electricity production of more than 7 GWh.
The Agency has contributed to technology with a total of about 5 million. SSAB has not paid a fixed price for the plant itself. Instead, Climeon a percentage of the value of energy savings.
Next week also begins Viking Line to deploy its technology on a cruise ferry. Here is a video of the installation.
Climeon was on this year’s edition of the new technologies and business world 33-list of Sweden’s hottest young technology companies.
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