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Kiini 110/20kV substation


Civil engineering

Energy supply

Concrete works


Description of work




Under the contract, a new 110/20kV substation will be built in the village of Kiini in Viljandi County. The substation will start supplying the Puiatu compressor station with electricity, which is part of the Balticconnector project linking the Estonian and Finnish gas transmission networks. In addition, security of supply of electricity is increasing in the area as the substation is also used to supply the final consumers.

A 110kV external switchyard, a control building and access roads will be built at the Kiini substation. In addition, a 20kV switchgear will be installed in the building, and a foundation for the transformer base with an oil separation system will be built. The construction of the substation will be carried out using the “turnkey” method.

On 1 July 2021, Merko Ehitus Eesti acquired a stake in Connecto Eesti, and the Merko electrical construction business line merged with Connecto. Acting jointly under the Connecto brand makes it possible for us to offer a significantly broader range of services – in addition to the design, construction and maintenance of low, medium and high voltage electricity networks, Connecto also operates in the field of telecommunications and gas networks.

View the works performed by Connecto.

Elering AS and Elektrilevi OÜ
Name of the project:
Kiini 110/20kV substation
Energy supply
Type of construction:
AS Merko Infra AS, Karotammed OÜ, Elektrilevi OÜ
Description of work:
New building
Kiini village, Viljandimaa
Beginning of the project:
Year of completion:

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