Tango Energy, formerly known as Pacific Hydro, is a well-known energy provider and renewable energy generation business that is based in Melbourne, Australia. Tango Energy now operates as the wholly-owned subsidiary retail division of Pacific Hydro Australia (PHA). PHA, established in 1992, stands as a prominent entity engaged in the ownership, operation, and advancement of renewable energy assets in Australia. Despite its initial Australian establishment, Pacific Hydro Australia underwent acquisition by China's State Power Investment Corporation in 2016.