“…EU countries were also encouraged to cooperate in order to achieve set energy targets by the legal framework for the use of cooperation mechanisms set in the Renewable Energy Directive. Countries that have reached beyond their set targets (Cyprus, France, Germany, Greece, Ireland, Latvia, Luxemburg, Malta, Portugal, Slovakia , Slovenia, Spain, The Netherlands, and the United Kingdom) could potentially become so called "off taker countries" and use cooperation mechanisms to trading their surplus to countries that potentially falls short of set goals (such as Bulgaria, Croatia, Czech Republic, Estonia, Finland, Italy, Lithuania and Sweden) [23]. Several barriers for host and "off taker" countries have been identified and discussed by [23], for example, public reaction in the host country difficulties in communicating benefits, different uncertainties about energy prices and state aid.…”