Bürger, Veit; Klinski, Stefan; Lehr, Ulrike; Leprich, Uwe - In: Energy Policy 36 (2008) 8, pp. 3140-3149
Whereas the contribution from renewable energies in the electrical power market is increasing rapidly, similar progress in the heat market is yet to be made. A prerequisite for progress is the development of innovative support instruments that transcend the usual support through public subsidies...