Energy Digital September 2026 | Page 49

POWERHOUSE BRATTØRKAIA

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TOP 10 – SMART BUILDINGS

POWERHOUSE BRATTØRKAIA

LOCATION: TRONDHEIM, NORWAY COMPLETED: 2019 DEVELOPER: POWERHOUSE ALLIANCE NOTABLE FEATURE: THE BUILDING GENERATES ROUGHLY TWICE THE ELECTRICITY IT CONSUMES
Despite having to cope with such small windows of sunlight during the winter, Norway’ s Powerhouse Brattørkaia makes the most of what light it gets. This modern office, located in the city of Trondheim inside the Arctic Circle, is often described as the world’ s northernmost energy-positive building. It has nearly 3,000 square metres of solar panels mounted on its sloped roof and upper facade, while a seawater heat pump system handles heating and cooling. Insulation and a clever airflow design mean the building needs
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80 % less energy for these functions than a typical Trondheim office, where temperatures can drop to around-20 ° C. The result is a structure that produces around twice as much electricity as it uses across the year, with the surplus feeding a local microgrid. That excess power reaches neighbouring buildings, electric buses, cars and boats, extending the benefits well beyond its own walls.
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