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GreenWatt is a partnership formed to offer the market an integrated solution and interactive renewable energy for buildings (solar thermal, solar photovoltaic, biomass, wind and micro solutions) and, simultaneously, perform under the terms of energy efficiency and rational use of energy in buildings, the certification of buildings under the Energy Certification System and Interior Air Quality in Buildings (SCE).

A Enviroil SGPS holds interests of companies whose activities are the collection and treatment of industrial waste.