A "chilling" of investment in renewable energy, leading to a loss of jobs, has highlighted the need for South Australia's $550 million energy plan, Premier Jay Weatherill says.

Mr Weatherill says uncertainty surrounding the renewable energy target and other aspects of national energy policy are hurting the renewable energy sector. “It’s no surprise we’re seeing a fall-off in jobs in this sector,” the premier told reporters on Wednesday, after figures showed renewable energy jobs in SA had fallen…