ensto today | CASE For VätterHem LED = ROI! A major apartment owner in Sweden has set out to save energy – and it’s doing so very methodically. We will cut our consumption of resources by 20 percent by the year 2016,” declared the CEO of the municipal company VätterHem at a 2007 meeting in Malmö. The job of figuring out how to save that 20 percent would fall to Afrim Alijevski. An electrician by training, Alijevski, is part of a five-person task force committed to saving energy for VätterHem. He has a budget for doing so, and he is held accountable for results. Garages Alijevski’s team is responsible for VätterHem’s 8,500 apart-ments in four areas of Sweden’s Jönköping municipality. Almost 17,000 residents depend on four electricians to make 12 ENSTO TODAY 1/2016 sure lights light when a switch is thrown – and to ensure energy is not used irresponsibly. A natural first step to reduce energy use was replacing a 10-year-old lighting system in one of VätterHem’s parking garages: 2x28W fluorescent luminaires burned 24 hours a day, seven days a week. They cast a yellow glow that did not even reach the parked cars. Alijevski replaced seven floors of lights with 80 Ensto Tino 42W LED fixtures. A total investment of slightly over 37,000 euros covered the fixtures, cables, motion sensors, and installation. He estimates a payback time of 3.5 years, about half of the maximum allowed for such a project. While LEDs with motion sensors will eventually consume 70 percent less energy than the old system, there is instant Scott Diel Tomas Jansohn "
EnstoToday 2016 No1 / ENG
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