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Fortum force expands in the Swedish capital

Fortum Värme, the largest district heating company in Sweden, has been a SWEP customer since the start of the new millennium. The two companies have worked closely on district heating substations.

SWEP District Heating Station installed at Fortum.

For over four years, SWEP has been part of a new business concept developed by Fortum. The district heating station was not only supplied, but also installed and taken into turnkey operation.
Henrik Rietz, Manager District Energy Systems, SWEP, says the reason for the concept was to establish a more efficient sales and installation process, improved customer relations, shortened lead times, and reduced demand on resources by using standardized solutions and methods.
“The concept proved highly successful,” Rietz says. “During the contract period, 300 district heating stations for buildings with up to 70 apartments were installed.”
During the contract period and based on the large district cooling network in Stockholm, SWEP and Fortum continued to develop the business model, which included the first prefabricated district cooling station on the market - a solution ranging from 50-1500 kW. Another cooperative development project was a wall-hung district heating station for up to 30 apartments or 150 kW. Hans Lund at Fortum says SWEP has been very cooperative in developing various sizes of substations.
“For us, SWEP has had good logistical and cost-efficient solutions,” Lund says. “SWEP has been really sensitive to our suppliers' needs concerning the delivery of the substations. SWEP is also one of the few players in the substation market that provide heating while the building is constructed.”
According to Rietz, SWEP's district heating stations are designed with SWEP's software ISAC (interactive simulation of actual conditions), which not only designs all components in the system, but also includes functions to simulate and analyze the performance of the substations in their actual conditions, before they are even installed in the building.
“All vital components are supplied by certified and well known suppliers,” Rietz says. “Since all components are designed and adjusted in our factory to accurately fit the conditions, the DHS supplied by SWEP has an improved LCC, higher utilization of the energy supplied, high availability, and better comfort for the consumer.”