del Río, Pablo; Mir-Artigues, Pere - In: Renewable and Sustainable Energy Reviews 40 (2014) C, pp. 287-295
The aim of this paper is to review the combinations of RES-E support instruments in the European Union (EU), using … different sources of data. It is shown that combinations are indeed a widespread phenomenon in the EU Member States. Not much … attention has been paid to the combinations of primary instruments with other secondary instruments for the same renewable …