Helios Energy Limited engages in the exploration and development of oil and gas properties in Australia and the United States. It holds 100% working interest (WI) in the Trinity Oil project covering 3,118 net acres; and 70% WI in the Presidio Oil project covering 48,577 net acres located in Texas, the United States. The company was formerly known as New Horizon Coal Limited and changed its name to Helios Energy Limited in April 2017. Helios Energy Limited is headquartered in West Perth, Australia.