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Renovation of the Abja 110kV substation


Civil engineering

Energy supply

Concrete works


Description of work




Elering AS is renovating the Abja 110 kV substation into a compact substation. The renovation is performed as a turnkey solution. All equipment included in the project scope will be delivered along with necessary engineering design works, installed, configured, verified and inspected, etc., and handed over to the contracting entity in energized form.

The building and infrastructure will be designed and built and handed over to the contracting entity in a completed form. All equipment to be delivered or handed over by the contracting entity will be installed and taken online.

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
Name of the project:
Renovation of the Abja 110kV substation
Energy supply
Type of construction:
AS Merko Infra
Description of work:
Põlde village, Mulgi rural municipality, Viljandi County
Beginning of the project:
Year of completion:

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