Extension of Tskaltubo 220 kV Substation

Tskaltubo 220 kV Substation Extension Project was implemented with the financial support of the Federal Republic of Germany through the KfW Development Bank from 2024, with a total cost of EUR 1.6 million.
Within the framework of the project, a new 220 kV bay was installed at the Tskaltubo substation. The need for this installation arose from the Derchi double-circuit transmission line project. Upon completion, in the event of a shutdown of the 500 kV OHL Tskaltubo–Lajanuri line, the energy generated by the power plants will still be supplied to the network without interruption. As a result, electricity supply in Western Georgia will be significantly strengthened, making it possible to meet the growing electricity demand both domestically and internationally.
Tskaltubo 220 kV substation is located in Maghlaki village, Tskaltubo municipality. It was commissioned in 1990. Between 2009 and 2014, complete rehabilitation was carried out, during which all electrical equipment was replaced. As a result, the quality of voltage parameters and the reliability of the network were significantly improved.
The construction phase of the substation extension project, implemented by the contractor company BEST (Turkey), was completed at the end of 2025, and the documents are being prepared for submission to the Technical and Construction Supervision Agency.

Georgian State Electrosystem is implementing the project within Energy Network Improvement Programme (ENIP) comprising infrastructural projects all across Georgia.
ENIP is an extensive investment programme into Georgia’s transmission infrastructure realized by the partnership between the European Union, GSE and KfW, working as Team Europe.
The total investment of ENIP is EUR 270 Mio, co-financed by KfW on behalf of the Federal Republic of Germany and EBRD, including EUR 9.9 Mio grant funding from the EU Neighbourhood Investment Platform (EU NIP) implemented by KfW.
Within the framework of ENIP, infrastructure projects are being implemented across all of Georgia in the regions of Imereti, Guria, Racha, Svaneti and Kakheti. Within the programme, 7 substations and more than 540 km of power transmission lines are being built and expanded. The implementation of the program started in 2021 and it is planned to be completed in 2028. As a result, Georgia will be able to develop a stable, reliable power transmission system, thus ensuring security of the network, facilitating development of tourism, industrial and agricultural activities and business in general, which means more jobs and higher incomes for the people in Georgia.

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