Τετ, 2 Μαΐου 2012 - 16:30
Hellenic Petroleum SA, Greece’s largest refiner, said on Monday that its first power unit that produces electricity using the sun had successfully begun operations. The photovoltaic unit has generating capacity of 500 kilowatts and will have annual power production of about 740,000 kilowatt hours, the Athens-based company said in an e-mailed statement.