Recommendations for an ambitious EU-wide solar mandate

The phased approach could enable an early start of the mandate while simultaneously the needed crafts persons could be trained and the necessary infrastructure for the material could be ramped up. [...] Moreover, the goal should be to achieve a continuity of the workload and the material needs, so that peaks and insecurities for the solar industry can be avoided. [...] For the building stock relevant criteria include the age of the roof and whether a fundamental renovation of the roof is carried out. [...] The expected time until the roof needs to be substantially renovated should in any case exceed the payback time of the solar installation, as installation costs have become a large part of the total costs (in Germany approx. [...] In order to avoid legal uncertainties in the interaction of a European solar obligation and national support mechanisms, it should be clarified in Art 9a of the EBPD draft that the introduction of the EU solar roof obligation does not have a negative effect on the approval of solar support schemes of Member States under state aid law.