The Powerhouse Kjørbo building near Oslo, Norway has been recently renovated to produce more energy than it consumes. The renewed office building is the first energy-positive building in the country and the world’s first renovated energy-positive structure.

The building hosts a number of firms keen on developing energy-positive projects. “As far as we know, this is the first building in the world that has been renovated into an energy-positive structure. It is the unique collaboration we have had from the very start that has made this possible,”…