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Rudus Oy

Location: Naantali
Standard Industrial Classification: 23 Manufacture of other non-metallic mineral products

TSE Oy (Fortum Power & Heat owns 49.5%)

Location: Naantali
Standard Industrial Classification: 35 Electricity, gas, steam and air conditioning supply

Benefits of Symbiosis

Economical benefits Material efficiency Carbon footprint

Fly ash generated by coal combustion is used as a raw material in concrete, reducing the consumption of concrete and use of mineral aggregate. Rudus, a supplier of mineral aggregates, has some 65 plants around Finland. These plants form a symbiosis network with power plants and other raw material suppliers.