(ADPnews) – Feb 10, 2011 – Enel Green Power (BIT:EGPW), the renewables unit of Italian power giant Enel SpA (BIT:ENEL), announced it would start works on doubling the capacity of Serre Persano, the first photovoltaic (PV) plant built by Enel in Campania, which for a long time was Europe's biggest PV facility.