Energy Pay-Back Time of rooftop PV systems - technology comparison
Energy Pay-Back Time of rooftop PV systems from different technologies in southern Europe (irradiation of 1700 kWh/m2/yr).
Source: de Wild-Scholten (ECN), Sustainability: Keeping the Thin Film Industry green, 2nd EPIA International Thin Film Conference, Munich, 2009).
Energy Pay-Back Time of multicrystalline PV systems - geographical comparison
Energy paybacktime of photovoltaic installations in Europe in relation to the UCTE electricity mix (electricity production of 1 kWp capacity over 30 years).
Specification: 3kWp slanted roof, installation mounted with framed modules of multicrystalline silicium cells with a module efficiency of 13.2% and a life time of 30 years.
Source: Jungbluth N., Tuchschmid M. and de Wild-Scholten M. J. (2008) Life Cycle Assessment for Photovoltaics: Update for ecoinvent data v2.01
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