Greenvolt – Energias Renováveis SA engages in the designing, engineering, and maintenance of biomass power stations. It operates through following segments: Residual Biomass , Development, and Distributed Generation. The Residual Biomass segment includes the energy production plants through forest biomass in Portugal, the costs of the corporate structure of GreenVolt, as well as the plant in Tilbury in the United Kingdom. The Development segment develops, constructs, and explores photovoltaic and wind energy. The Distributed Generation segment refers to the contributions from the subsidiaries Track Profit Energy, Track Profit II Invest, and Perfecta Energía. The company was founded in 2002 and is headquartered in Porto, Portugal.