NETWORK EFFECTS OF ELECTRIC VEHICLES - CASE FROM NORDIC COUNTRY

Upcoming trend of electric vehicles (EV) may create remarkable reinforcement needs in electricity distribution utilities. In some areas, peak power in the network may even double or triple if charging of EVs is done without intelligence on it. In the paper, case study of network effects of large-scale penetration of EVs in actual distribution company is presented. Both technical and economical perspectives have been taken into account in the analyses. Study presented in the paper is done for relatively large network area, consisting of 11 000 electricity end-users in rural, city and urban area. Case area is located in Fortum Distribution network, locating in southern part of Finland.