I found the article below in a a local newspaper. Nothing new really - but it confirms that everything is solid. I doubt that Stora Enso would set up this event if they didnt believe in the systems and plan to implement it in their other plants (my guess is that they have 40-50 plants in the Nordics that should benefit from the Powerbox)
SKUTSKÄR Five power plants powered by wind and running water (!) Reduces the need to buy electricity with 30 percent for Skutskärs Mill. - The goal is to be self-sufficient, but there is some way to go, "says Lars Ivarsson, environmental manager at Stora Enso's pulp mill. Related Artikelbilder Article Photos
Nils Ivarsson, environmental manager at Skutskär factory, welcome environmental investments at the mill. Photographer: Jorgen Svendsen The five wind turbines will begin supplying electricity in October. In full operation, they provide 30 000 megawatt hours, MWh per year, and electricity is supplied directly into the factory. Two of the stations are assembled on the pier at the harbor entrance and is mounted in the third work. If all goes according to plans, all five stand ready at the end of the week. There are more than two kilometers from the power stations in the factory, where another power station stands on the spot. But it is driven not by wind but by the heat from the sewage in the process. The heat from the waste water passing through a heat pump, which in turn drives a generator that produces electricity, which goes directly into the factory's electricity network. Electricity production is equivalent to 4 000 MWh per year, but since the process while reducing the need to use energy to cool the water is the real impact greater. The entire power plant contained within a container which is strategically located in the factory. It is the first commercial plant of its kind in Canada and the manufacturer Opcon believe in a big market, perhaps above all in other countries. In Canada, industry is quite advanced when it comes to taking advantage of waste heat, but the industry out of Europe and other continents are not as advanced. There is also much higher electricity prices. In the U.S., estimated power generation from waste heat to have the greatest potential for energy savings, far more than investment in other renewable energy sources such as solar, wind, hydro and bioenergy. It is also the recent price increases for electricity, which has made the technology viable even in Sweden. - Five or ten years ago this was not interesting. Electricity prices were too low, "says Per Hedebäck, product manager at Opcon. The company owns the plant, host eight-ten million, and has signed an agreement with Stora Enso, which purchases the electricity produced. Since 1 September the plant in full operation. - Does it work as intended, it is good business for us, "says Anders Heldemar, energy manager at Stora Enso in Sweden. With the plant reduces Skutskärs Mill's need to purchase electricity with just over four percent. The mill also buys electricity produced by wind turbines. Owner is a company VindIn, which Stora Enso is one of the partners along with other major energy-intensive industries in the country, including both Korsnäs and Sandvik. The two investments, worth a total of 160 million, increasing self-sufficiency in electrical energy substantially in the factory, 73 to 85 percent. 30 percent of the electricity Skutskär factory buy today will tomorrow be from the new solutions. Alone wind turbines also lowers carbon dioxide emissions by around 25 000 tonnes per year. - We hope that this would be replicated, "says Anders Heldemar. "The entire power plant contained within a container which is strategically located in the factory. It is the first commercial plant of its kind in Canada " "These two investments, worth a total of 160 million, increasing self-sufficiency in electrical energy substantially in the factory, 73 to 85 percent."
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