Contracted refurbishment of hydro power plant in Bulgaria - Hydro Balkans
+44 207 394 30 90 (London)

Contracted refurbishment of hydro power plant in Bulgaria

Main » novosti » Contracted refurbishment of hydro power plant in…

The consortium consisting of Končar KET and ČKD Blansko Holding from the Czech Republic contracted with the Bulgarian Power Authority NEK EAD the refurbishment project of Vacha-1 HPP, the accompanying 110 kV HPP plant and other integrated control systems of auxiliary systems at the HPP.

Consortium consisting of KONČAR – Power Plant and Electric Traction Engineering (Končar KET) and ČKD Blansko Holding from the Czech Republic contracted a refurbishment project on 27 August 2019 in Sofia with Natsionalna Elektricheska Kompania – NEK EAD, Bulgarian Power Authority, for Vacha-1 HPP, the accompanying 110 kV HPP plant and other integrated control systems of auxiliary systems at the HPP. Darijo Runjić, member of the Management Board of KONČAR – KET signed the contract on behalf of the consortium and Ivan Yonchev, NEK EAD Chief Executive Officer, on behalf of NEK EAD. Boris Mlinarić will be the project manager on behalf of KET.

As part of plant refurbishment, Končar KET, as consortium leader, will undertake replacing a part of the equipment in the external 110 kV switchgear, delivery of new 110 kV and 20 kV relay protection, hydro power plant control systems, excitation and turbine control systems for generation units 3 and 4, control system of pre-turbine inlet valve on generation units 3 and 4, as well as full replacement of generation unit 2 with the accompanying systems and a new system for power metering, as well as the assembly, testing and commissioning of delivered equipment.

Končar KET will also prepare the entire electrical engineering design and the companies KONČAR – Generators and Motors, KONČAR – Electronics and Informatics and KONČAR – Switchgear will participate in the contract as equipment suppliers.

Vacha -1 HPP is the last power plant located on the Dospat-Vacha cascade. The hydro power plant has four units with a total installed power of 14 MW. These are Francis turbines with nominal power of 3.5 MW each. Generation units 1 and 2 were commissioned in 1933, and generation units 3 and 4 between 1952 and 1953.

The project completion is scheduled for the end of 2020.

NEK EAD is entirely owned by Bulgarian Energy Holding (BEH EAD), which was founded in 2008 after renaming the company Bulgargs Holding EAD, and is state-owned.

In addition, this is not the first hydro power plant project contracted with the Bulgarian Power Authority. The contracts for the refurbishment of Belmeken RHPP, Sestrimo HPP and Momina Klisura HPP are ongoing.



EPCG to invest EUR 700 million to build new renewables capacities, upgrade other facilities

Author: Vladimir Berbatović Source: Balkan Green Energy News State power utility Elektroprivreda Crne Gore (ЕPCG) will invest a total of EUR 700 million to build new renewable energy capacities and upgrade its other power generation facilities to bring them into line with environmental standards, with the aim of reducing dependence on imports due to hydrologic conditions,…

EPS to invest EUR 4.6 billion by 2027, EUR 700 million to go into hydropower, renewables

Author: Vladimir Spasić Source: Balkan Green Energy News Public power utility Elektroprivreda Srbije (EPS) intends to invest EUR 4.6 billion from 2019 to 2027, of which EUR 1.6 billion in the modernization of existing and construction of new thermal power plants (TPPs) as well as environmental protection, EUR 1,3 billion in distribution projects, EUR 1 billion…

Romanian hydropower company spends EUR 80 mln to refurbish 350MW power plant

Romania’s state-owned hydropower company Hidroelectrica will totally refurbish its hydropower plant (CHE) Râu Mare – Retezat under a EUR 80 million project, financed from own funds. The plan’s capacity will increase to 350MW after the process, reported. The company wants to make CHE Râu Mare – Retezat the country’s largest supplier of system services,…


In March 2019 Serbia and Republika Srpska (RS) intend to jointly build the hydropower plant (HPP) Buk Bijela. The installed capacity of more than 180 MW, will equally contribute

to the energy stability of Serbia and the RS. HPP Buk Bijela will be built about 11.6 kilometres upstream from Foča. It is planned to be equipped with three hydro generators with

a total capacity of 93 MW, with the expected average annual electricity generation at around 330 GWh. The project would require an investment of EUR 193 million. Elektroprivreda Srbije (EPS) is currently reviewing the project for HPPs Buk Bijela, to be followed by determining the pace of implementation.


At the end of 2017, EP S announced its intention to overhaul 10 units of HPP Đerdap 2 over 10 years, to help ex tend the plant ’s lifespan and boost its capacity by 50 MW. EPS and Siloviye Mashiny are cooperating on the overhaul of HPP Đerdap 1. The overhaul began in 2009. In Jul y 2018, the t wo companies signed a contract on the modernization of the A2 and A3 units in or der to complete the revitalization of the entire HPP in 2021.


EPS (Serbian state-owned power utility) plans the construction of 2 small hydropower plants on existing dams – SHPP Celije and SHP P Rovni. The project is a part of the programme for reconstruction of SHPPs through the loan of EBRD. The programme encompasses the reconstruction of 15 SHP Ps with total installed capacity of 18 MW. The project also includes the supply of electrical and mechanical equipment and their installation. Once the tender documents are signed, the works will be completed within 62 weeks.