A major concern for distribution companies appears to be climate policy that influences the demand patterns and the levels of distributed generation on distribution grids - increasing the risk for both under -or over-dimensioning current grid extensions and reinforcements, and making investments in future transmission and distribution infrastructure a significant challenge. The developed method is valuable for the companies to study the upcoming phenomena and trends and furthermore evaluate the order and intensity of action plans needed. As expert knowledge and data was available from the other groups of the CES-project, this was not an especially significant issue for the case studies.