Become a district heat customer

Become a customer

Fortum´s district heating is available for old and new property located near our district heating network. When you select district heating, you ensure peace of mind and join our crowd of satisfied customers.

Sign a district heating contract well in advance

The heating contract of a new building is signed once the construction permit has been obtained and the construction schedule has been confirmed, or no later than upon the commencement of the building's foundation work. A district heating contract for an existing property is signed when the building owner or representative announces that they want to connect the building to the district heating network.

For those replacing other forms of heating with district heating, we will prepare a tender calculation based on the information we have received in the invitation to tender.   

Connection fee for district heating

Full-service district heating is care-free and comfortable. You can leave your heating matters to us because we make sure that you have enough heat as required in any weather.  

The connection fee for detached house is ​5800 €  

The connection fee is determined according to the connection power kW specified in the customer's district heating contract and the length of the connection pipeline.

The connection fee usually covers a pipeline of 20 m (or as agreed) on the plot depending on the area. There is an extra fee for the part of the pipeline that exceeds the limit. 

We will carry out commissioning and final inspections for your equipment free of charge. The price includes a VAT 24 %. 

Get to know district heating – a care-free, smart choice

When you select district heating as your heating method, you will ensure peace of mind and join our crowd of satisfied customers. ​District heating, which has a competitive price and is environmentally sound, promotes the life of current and future generations. District heating makes living more comfortable and always keeps Finnish population centre residents warm.
Almost every second Finn lives in a district heated house which means that district heating is the most common form of heating in Finland. About 90% of residential blocks of flats, about 50% of row houses and the majority of public buildings in Finland have district heating.

How district heating works and production 

District heating is produced locally and transferred from the power plant to customers via hot water running through district heating networks. The cooled district heating water is returned to the power plant for reheating. 


District heating is always locally generated utilising the fuel that is most appropriate for the location. Most of district heating generation is based on combined heat and electricity generation.

​The co-generation of power and heat has a central role in the reduction of the environmental load and fulfilment of the objectives set for the reduction of greenhouse gas emissions. In the
co-generation, excess energy from power production is used for district heat production instead of conducting it as condensate heat to waterways, for example.

Co-generation is efficient, since it utilises almost 90 per cent of the energy contained in the fuel. Through co-generation, environmental emissions are 30% lower than in the case where electricity and heat are generated separately. Most of district heat generation, i.e. about 80%, is based on combined heat and electricity generation. District heat is also generated in separate heat plants. 

We want to be a forerunner in environmental matters 

Sustainable energy production requires that renewable sources of energy are used more frequently. We continuously develop the use of biofuels in heat production and the goal is to design new plants so that biofuels can be used in them. Our goal is to use renewable biofuels more extensively in heat production.