The policy paper “Energy Transition in Croatia – Moving towards Effective Membership in the Energy Union“ written by Ana-Maria Boromisa has been published in English. The paper shortly describes the Energy Union and the role of investments in achieving its goals, with the focus on projects of common interest and investments at the national level in Croatia. Using information on the planned and implemented strategic investments in Croatia it estimates the capacity for fulfilment of the Energy Union’s goals on one side and its contribution to the achievement of the energy policy goals in Croatia. Based on this analysis the author presents specific recommendations for Croatian policymakers.