The heat pumps at Valtatie thirty will produce about 50 gigawatt hours of heat every year. “That's about 2.5 % of our heat needs. The excess heat from the info Centre can heat fifty apartment buildings a year, that’s an important heat source to the district heating community”, suggests Pekka https://hydrocarbon-heat-pumps19630.pages10.com/what-does-hydrocarbon-heat-pumps-mean-53282273