This year, during the jubilee edition of the Congress, we have a evidence number of partners. It's over 150 institutions. From the very beginning, from the first edition of OEES we have 2 local governments: the city of Kraków and the Małopolska Region and 3 companies: IKEA, Fortum and ING Bank Śląski – emphasizes Kinga Taćkiewicz, Executive manager of OEES, Vice president of the Management Board of the GAP Foundation.