Abstract
The zero-energy project Skarpnes residential development in Arendal in Norway consists of a
total of 40 dwelling units. The energy goal of the buildings is net zero-energy on a yearly level. In
addition, the greenhouse gas emissions (GHG) related to the operational energy of the buildings
shall also be zero on an annual basis. There is also an aim achieving low embodied energy and
GHG emissions related to the buildings materials and products.
The thermal demand of the buildings will be covered by heat pumps and thermal solar collectors.
To reach the zero energy/emission goal, the roofs are partly covered by PV. Current simulation
indicates that around 30 m² PV-area is needed to achieve the zero energy/emission goal for a
single family house. The production of solar electricity in summer will exceed the demand of the
buildings, and export of energy to the grid will be necessary.
total of 40 dwelling units. The energy goal of the buildings is net zero-energy on a yearly level. In
addition, the greenhouse gas emissions (GHG) related to the operational energy of the buildings
shall also be zero on an annual basis. There is also an aim achieving low embodied energy and
GHG emissions related to the buildings materials and products.
The thermal demand of the buildings will be covered by heat pumps and thermal solar collectors.
To reach the zero energy/emission goal, the roofs are partly covered by PV. Current simulation
indicates that around 30 m² PV-area is needed to achieve the zero energy/emission goal for a
single family house. The production of solar electricity in summer will exceed the demand of the
buildings, and export of energy to the grid will be necessary.