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Office Building in Norway is ‘Energy Positive’

June 9, 2014 By Linda Hardesty

Powerhouse energy managePowerhouse Kjørbo in Oslo, Norway, has recently renovated an office building to produce more energy than it consumes.

Prior to the renovation, the building consumed about 650,000 kWh per year. Now, after renovation, it is expected to consume about 100,000 kWh per year, according to Sourceable.

“As far as we know, this is the first building in the world that has been renovated into an energy-positive structure,” Ståle Rød, chairman of the Powerhouse consortium, told Sourceable.

The building not only generates enough energy for its own needs, but also generates enough energy to account for the source-to-site energy that was necessary to construct and renovate the building, including the energy “used for the production of building materials, its construction, operation and disposal,” says Powerhouse.

Energy features include solar panels, which are expected to produce over 200,000 kWh per year, geothermal, tight-fitting walls, ceilings and windows, insulation and shading to reduce cooling loads in summer.

Powerhouse Kjørbo is a collaborative project aimed toward developing energy-positive buildings. The Powerhouse consortium comprises the real estate company Entra Eiendom, the construction company Skanska, the environmental organization ZERO, the architectural company Snøhetta, the consulting firm Asplan Viak, the aluminium company Hydro, and the aluminium solutions company Sapa.



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