The project presents a calculation of the benefits and effects of the current market surveillance of ecodesign and energy labelling in the Nordic countries. The results indicate that market surveillance is cost effective, especially when countries cooperate; market surveillance of 2 million Euro saves about 30 million Euro for the customers. The project is part of Nordsyn under the Nordic Prime Ministers' overall green growth initiative - read more at www.norden.org/greengrowth.