Production and trade of various energy sources such as biomass, wind energy, solar energy, hydro energy, cleantech, agricultural energy, pellets and similar products from natural and renewable raw materials, planning, construction and operation of combined heat and power plants and hydroelectric power plants of all kinds for the production of energy and heat, planning, construction, delivery and operation of water treatment plants, solar systems, biomass and agricultural energy utilization systems, wind energy systems, hydro energy systems, cleantech systems, corresponding procurement markets, as well as trade in agricultural products of all kinds, activities in the field of waste management, in particular logistics, collection of waste, waste collection/separation, utilization/recycling, collection/transport, disposal of waste products from private households, commerce, construction waste, organic waste and industry, as well as planning, construction and operation of waste incineration plants; complete purpose description according to the statutes.