Renergen Ltd. operates as an investment holding company, which engages in the alternative and renewable energy sectors. It operates through the following segments: Corporate Head Office; Tetar4 Pty Ltd, and Mega Power Renewables. The Coporate Head Office segment involves in the every investment decisions that are made. The Tetra4 Pty Ltd explores, develops, and sells compressed natural gas. The Mega Power Renewables segment manages the development of a hydroelectric project. The company was founded on September 30, 2014 and is headquartered in Johannesburg, South Africa.