Jackgreen Energy was an Australian electricity retailer. Before the company collapsed in late 2009, it was Australia's largest specialist renewable energy retailer, with around 100 employees, and 75,000 customers. In 2007 Jackgreen purchased , a carbon offset program. Jackgreen was suspended from the National Electricity Market on 18 December 2009 by the independent market operator. Before its collapse, Jackgreen's products incorporated a percentage component of green energy, ranging between 10% and 100%.