Warren Buffett’s $2.5bn solar deal

US billionaire Warren Buffett’s subsidiary firm has struck a deal with Sunpower to build what could be the largest solar development in the world. MidAmerican Solar, a subsidiary of Mr Buffett’s Berkshire Hathaway investment company, announced it has acquired two solar projects in California for which it will pay between $2 billion (£1.2bn) to $2.5 […]