Home Best practices Harjavalta Industrial Eco-Park

Harjavalta Industrial Eco-Park

Harjavalta, Finland

Depending on the activities

Type of solution:
  • Management Actions
  • Energy infrastructures and installations
Solution category:
  • Joint waste management and disposal
  • Exploitation of one plant
  • Joint investment in energy efficiency
Harjavalta Industrial Eco-Park


This industrial park has been developing eco-efficiency activities for more than 60 years. It is located in Harjavalta, a town with a prominent mining sector.

The main tenants are copper and nickel flash smelters (Boliden), a nickel chemical producer (Norilsk Nickel), an energy producer (Porin Lämpövoima), a hydrogen plant (AGA), a sulphuric acid plant (YARA) and the town of Harjavalta.

In addition to these major actors that established symbiotic exchanges (energy cascading and material flows) the site also incorporates the services of more than 100 subcontractors. Many waste,and by-products outputs are used as resources: heavy metals, sulphur, sulphuric acid, slag, wastewater, etc.

Best practices key factors

A: Meeting the demand

3 - the solution is identified as high strategic importance.

B: Successfully implemented

3 - the solution is successfully implemented, and it has achieved significant environmental and economic benefits.

C: Cooperative approach

3 - the solution has been achieved through a joint approach of more than 5 organisations.

D: Replicability and scalability

1 - the solution is replicable and/or scalable, but only limitedly so (e.g. depends on boundary conditions).

Why is it a best practice?

This park is an example of different companies exchanging materials and energy following various combination of flows.


Eco-Innovera (2014), "International survey on eco-innovation parks: Learning from experiences on the spatial dimension of eco-innovation"

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