Pacific Hydro is a renewable energy company headquartered in Melbourne, Australia. The company was founded in 1992 and was soon floated on the Australian Stock Exchange, it was later bought by a consortium of industry superannuation funds and delisted. It is now owned by China's State Power Investment Corporation. The company is also active in the carbon market in the production and trading of carbon credits from its run-of-river hydro projects registered under the Clean Development Mechanism of the Kyoto Protocol.