Synergy between photovoltaic, eolic and geothermal is able to reach such targets. E.R. ability to put in touch the different energetic renewable sources is, nowaday, representative of its main competitive profit, even and mostly, because of the know how developed in the architectural integration installations sector.
Patents produced by the R&D department of E.R. have developed new tecnologies able to highly increase the photovoltaic modules efficiency.