Sony is a major Japan-headquartered, global electronics corporation (see: http://www.sony.net/ and http://www.sony.net/SonyInfo/CorporateInfo/ ).
According to Environmental Leader, 2 July 2009: “Sony Europe has taken a leading role in the use of renewable energy, achieving 100 percent renewable energy usage in FY08, according to a press release.” [1].
[1]. “Sony Europe goes to 100% renewable energy”, Environmental Leader“, 2 July 2009: http://www.environmentalleader.com/2009/07/02/sony-europe-goes-to-100-renewable-energy/ .