For instance, the imposition of retroactive tariff reduction for existing VRE projects almost shut down new VRE investments entirely in Spain in 2013 [97]. As demonstrated by Luthi and Prassler [98]; wind project developers in the EU and the US also rank legal security as the most ...
The most convenient solution depends on multiple factors, such as the real price of energy, civil works, and the feed-in tariff regulation (the selling price of renewables). A deeper analysis should include a life cycle assessment [5] in order to also consider the environmental sustainability....