January 2, 2012. S.A.G. Solarstrom AG, a German solar- project developer, signed a contract to sell a power plant in Italy to an unidentified institutional investor. The company will dispose of the 48-megawatt Serenissima photovoltaic plant for a ''three-digit-million-euro'' figure. The developer signed the contract Dec. 31 and will be paid in the current quarter.