Supply and installation of a 200 MVA three-winding power transformer (330/110/22 kV) at Püssi substation, strengthening the Ida-Virumaa power system transmission capacity. This is the region's most important infrastructure investment, supporting both industrial consumption and distribution network development.
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Supply and replacement installation of a 40 MVA power transformer at Paide substation ensures reliable power supply for Järvamaa consumers from the 110 kV voltage level. The project included phased replacement of two transformers with minimal outage time.
Read moreA 115 MVA two-winding power transformer with voltage levels 330/33 kV was installed at Hertz substation, providing a reliable direct DC reserve from the 330 kV main grid to the 33 kV distribution network. The project strengthens regional supply security and reduces transmission losses.
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A 200 MVA three-winding power transformer (330/110/22 kV) was supplied and installed at Balti substation to increase Estonia's main grid transmission capacity. This is one of the largest units installed at Balti substation, serving both the 110 kV medium-voltage network and the local 22 kV distribution.
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Supply and installation of a 16 MVA power transformer for a wind farm on the Virtsu coast. The unit steps up the 21 kV voltage from wind generators to the 115 kV high-voltage grid level, enabling energy transport to the national power grid.
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The cornerstone of Tallinn's largest district's energy supply — replacement of the 63 MVA three-winding power transformer at Lasnamäe substation. The project's most critical requirement was zero downtime: the replacement had to be performed without interrupting the power supply to approximately 100,000 residents.
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Supply, logistics and installation of the 200 MVA main power transformer at Harku 330/110 kV substation — one of the key nodes of the Estonian power system. This is the largest transformer installed in Estonia, weighing over 200 tonnes with oil.
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Väo combined heat and power plant auxiliary transformer supply, installation and configuration. The project included complete documentation and grid connection compliance.
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At Lepassaare 35/20/10 kV substation, two distribution transformers were replaced and modernized, ensuring stable power supply for the area's industrial consumers and residential districts.
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