Explore our completed projects in the energy and automation sector across the Baltic states.
At Viljandi substation in Viljandimaa, two 40 MVA power transformers were replaced in the 110 kV distribution system, upgrading the city and county electrical infrastructure. The modernized substation ensures improved energy efficiency and modern remote monitoring capability.
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At Viimsi substation in Harjumaa, two 40 MVA power transformers were installed in the 110 kV system, meeting the rapidly growing energy demand of the Viimsi area. The project provided reliable electricity supply to the residential area with a doubly redundant configuration.
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At Tartu-Kiisa substation in Tartumaa, two 200 MVA power transformers were supplied and installed at the 330 kV voltage level, ensuring the Southern Estonian main grid section's strategic reserve capacity. This is one of the most extensive single high voltage transformation works in the Estonian power system.
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At Sikassaare substation in Saaremaa, two 40 MVA power transformers were installed in the 110 kV distribution system, providing reliable electricity supply to the island with redundant reserve capacity. The dual installation meets the strict supply security requirements of island regions.
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At Sopi hybrid park in Läänemaa, four 100 MVA power transformers were supplied and installed with 330 kV connections, ensuring wind and solar energy production units' grid connection to the Estonian main grid. This is one of the largest renewable energy production park grid connection projects in Estonia.
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At Sindi substation in Pärnumaa, a 200 MVA special four-winding power transformer with voltage levels 330/110/22/22 kV was installed, enabling simultaneous feeding of two electrically isolated consumer groups from a single main grid connection point. This is a rare design solution in the Estonian power system.
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At Saare substation, a 4 MVA power transformer was replaced, ensuring the reliability of local electricity supply for a smaller area. Upgrading the compact unit improves energy loss indicators and reduces maintenance costs.
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At Riisipere substation in Harjumaa, two 16 MVA power transformers were installed in the 110 kV system, providing reliable supply security for rural areas with lower load density. The project represents a typical modernization of a regional substation.
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At Ranna substation, two 40 MVA power transformers were replaced at the 110 kV voltage level, ensuring the area meets the n-1 supply security standard. The dual installation guarantees electricity supply independent of maintenance-related outages.
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