The new e-commerce distribution center of Wehkamp in Zwolle is the largest automated distribution center in the world. It enables same-day delivery for customers, as parcels are ready to be sent within 30 minutes. Previously this process took approximately two hours. The center is equipped with new automation techniques that reduces the risk of mistakes to nearly zero. Furthermore, the building is BREEAM certified "Excellent" for sustainability: this is the highest possible score. Solar panels deliver a total of 40 percent of the necessary energy and there is thermal energy is being stored in the building.