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Norway’s largest energy-positive building is finalized

Powerhouse Brattørkaia, Norway’s largest energy-positive building, is finalized. The building is designed based on strict environmental requirements and to provide more power over the course of its lifetime than it costs to build, run and demolish it. To meet the requirements for energy efficiency ÅF Lighting has implemented the concept Liquid Light.

With the intention of inspiring others to help solve the environmental challenges of reducing energy consumption globally, the new office building, Powerhouse Brattørkaia, has been built.  The building, which is Norway’s largest energy-positive building, is located on Trondheim’s waterfront. Powerhouse Brattørkaia is designed based on strict environmental requirements and to provide more power over the course of its lifetime than it costs to build, run and demolish it - leaving a positive footprint in both design and environmental impact. Its unique shape is designed to harvest as much sun as needed for energy production.

Solar energy harvesting has been a main driver in this project, which explains the incredible number of solar panels covering the building's sloping roof. All construction materials are preferably recycled and carefully selected and tracked through the sourcing process to ensure a complete eco-friendly design. In order to meet the high requirements for energy efficiency and usability, ÅF Lighting has implemented the concept Liquid Light. 

"Powerhouse is a great example of what we can do to make a difference for climate change. With Liquid Light we were able to develop an energy efficient lighting system that doesn’t compromise a great lighting design, which improves the well-being and comfort of the users of the building. " says Morten Jensen, Section Manager at ÅF Lighting in Oslo.

The lighting scenarios are uniquely determined by real-time data harvested from organic and natural sources. This creates an ever-changing visual identity both inside and outside the building, designed to add a positive atmosphere.  With the intent of adding a natural element to the lighting installations real-time data, e.g. the movements inside the building, can be harvested and used to influence variation in the lighting. From the outside, it is possible to see a flow of light like the pulse of the building, as it moves layer wise from the edges of the building.

"I am very pleased to have been given the opportunity to contribute to the realisation of our concept Liquid Light in this project. Through innovative technology we have implemented an energy-saving functionality that has never been used before”, says Benjamin Reinhoff, Electrical Control System Engineer at ÅF Lighting, Oslo.

This cutting-edge building scheme is the result of a collaboration between several partners. ÅF Lighting has taken part in this challenging journey together with Skanska, Snøhetta, Trondheim Municipality, ZERO, Asplan Viak, Entra and collegues from ÅF. 

The building was unveiled on August 30th with a Powerhouse Festival aiming to spark greater momentum for a smart city movement designed to slow climate change.


Together with Evoly, ÅF Lighting has donated the same amount of solar panel lights as the number number of luminaries produced for Powerhouse Brattökaia project (1282) to exposed areas in central Ethiopia. Click here to read more about that.