“Hidrostroi” Ltd.,
“TAISEI” AD

“Bistritza” Purification Plant Office – Electrical and mechanical erection works

АВВ Bulgaria Ltd.

Replacement of generator protections in NPP “Kozloduy”, TPP “Bobov dol”, TPP “Maritza - East 3”, TPP “Varna” – Design

"Heat and Power Supply - Sofia" AD

“Zemliane” Heat and Power Supply- New power supply - Design, erection and commissioning works

"Heat and Power Supply - Sofia" AD

”Sofia - East” TPP - Design, erection and commissioning of synchronizing system

"Heat and Power Supply - Sofia" AD

“Zemliane” Heat and Power Supply- Reconstruction of0,4 kV - Erection

ABB Ltd.
Bulgaria

"Batak" HPP - Design and engineering of relay panels

“Schneider Electric” Bulgaria

"Maritza - East 2" TPP - 6.3 kV Switchgear - Reconstruction of 50 switchgears - replacement of circuit breakers and relay protections with equipment delivered by “Groupe Schneider” - design, erection and commissioning

“Kozloduy” NPP

“Kozloduy” NPP - Replacement of control systems of TG7 and TG8

“Kozloduy” NPP

“Kozloduy” NPP - Replacement of control systems of TG5 and TG6

NEK EAD - Branch "Rodopi" HPP

"Batak" HPP - reconstruction design of Batak HPP

“Kozloduy” NPP

“Kozloduy” NPP - Lightning protection of 6 kV overhead transmission line andequipment

"Heat and Power Supply - Sofia" AD

“Injstroy” Heat and Power Supply - Design of new power supply

NEK AD - "Trafoelectro-invest"

Design for erection and putting into operation of relay protection in 220 kV system

"Heat and Power Supply - Sofia" AD

”Sofia - East” TPP - Replacement of relay protections of 6 kV motors

"Heat and Power Supply - Sofia" AD

“Zemliane” Heat and Power Supply- Testing and setting of relay protections in 10 kV and 6 kV switchgears

“Kozloduy” NPP

“Kozloduy” NPP -Replacement of 6kV cable - 3х185mm²

"Heat and Power Supply - region Lulin"

“Lulin”Heat and Power Supply- Testing and setting of relay protections

“Schneider Electric” Bulgaria, “Kozloduy” NPP

“Kozloduy” NPP - Erection and commissioning of 6 kV Metal clad switchgear

NEK AD - Transmission Lines Section

“Blagoevgrad” Substation - Erection and commissioning of Diesel Generator station

“Kozloduy” NPP

“Kozloduy” NPP - Erection and commissioning of new DCpanel

ALSTOM
Bulgaria

"Aleko" HPP - Design and engineering works of relay panels

“Schneider Electric” Bulgaria

UMICORE - Main Substation 2 - Design, erection and commissioning of 110 kV circuit breakers and disconnecting switches

“Schneider Electric” Bulgaria

UMICORE - New 6 kV cable power supply - Design, erection and commissioning, replacement of 6 kV switchgear

NEK AD - "Trafoelectro-invest"

“Asenovgrad 1” Substation - Manufacture and engineering works of 8 control panels, 7 relay panels and 8 marshaling boxes for 110 kV Switchgear

NEK AD - Branch Bourgas

“Karnobat” Substation - Manufacture and engineering works of marshaling box for 220 kV Line

"Enemona M" - Kozloduy

“Kozloduy” NPP - Manufacture of relay panels - earthquake proof

"Electroimpex" Ltd

3 Substations - Nigeria - Manufacture and engineering works of 25 panels

NEK AD

400 kV Transmission Lines "Tzuntzareni 1 and 2", "Sofia - West" Substation, "Blagoevgrad" Substation, "Dobrudja" Substation - Design of pole slip protection

NEK AD - Branch "Rodopi" HPP

Aleko HPP - Manufacture and engineering of 7 panels

NEK AD - Branch "Rodopi" HPP

"Devin" HPP - Design for reconstruction of Devin HPP

NEK AD - Branch "Rodopi" HPP

"Devin" HPP – Producingofmetalconstructionsandengineeringof9 relaypanelsandmarshallingboxesfor110 kV, 20kV, 10,5kV

NEK AD - "Trafoelectro-invest"

"Maritza - East 3" TPP - Manufacture and engineering of 50 relay panels and marshalling boxes for 400 kV Switchyard, engineering of 0.4 kV AC and 220 V DC PRISMA auxiliary power supply panels

"Electroenergo-proekt"

"Maritza - East" Substation 400kV– Design of 400 kV switchgear – breaker and a half scheme and the re-design of 220 kV and 110 kV switchgears

“Schneider Electric” Bulgaria

Engineering worksof14 transformerspanels -equippedwithequipments by “Schneider Electric”

Monbat
Montana

"Monbat"AD - reconstruction of 20 kV existing switchgear

NEK AD
“High Voltage systems”

"Maritza - East 2" TPP, "Bobov dol" TPP, "Varna" TPP Design of 220 kV switchyard - replacement of circuit breakers and disconectors - primary and secondary connection

NEK AD

Design, delivery of equipment, installation and commissioning of SCADA systems in six 110/20 kV substations.

NEK AD - Branch "Rodopi" HPP

"Studenkladenec" HPPs– Design, erection and commissioning of replacement of technological signaling system of hydro generators ХГ1, ХГ2, ХГ3, ХГ4 and Common signaling

"Varna" TPP

"Varna" TPP - Design, delivery and erection of 0,4 kV switchgear in coal output corpus

NEK AD
“High Voltage systems”

"Maritza - East 2" TPP– Manufacturinganddeliveryof 2 pcsequippedcontrolpanelsforbay № 10 andbay15 - 220kV switchgear

NEK AD
“High Voltage"
EPR Stara Zagora

“Alfatar”Substation -design and installationof new earthing and lightning installations of 110/20kV Substation and supervision during the construction works

NEK AD
“High Voltage"

“Kostinbrod” Substation –Executive designs for reconstruction of earthing installation

“Schneider Electric” Bulgaria

“Vraca” Heat and Power Supply, OCMladost
- manufacturing of metal container for outdoor erection, erection and commissioning of 5 MV Switchgear, SM6 type and reconstruction of MV Switchgear 6 kV

NEK AD

Design, installation and commissioning of remote energy metering system of SCADA systems in 32projects.

NEK AD

“Peshtera” HPP, “Kumanica” overhead transmission line - Design of overhead transmission line feeder 220kV equipment, new trade energy metering system

"Heat and Power Supply - Sofia" AD

“Zemliane” Heat and Power Supply- Design, delivery, erectionandcommissioningoffrequencycontrolofair fans for VK2

NEK AD

"Pestera" HPP,“Devin” HPP, “Teshel” HPP, "Orfey" SPP, “Kardjali” HPP, “Krichim” HPP,
"Batak" HPP- Design, supply and installation of drainage system

NEK AD - "Trafoelectro-invest"

"Razgrad 3",110kV Substation - Erection and commissioning

Telecontrol Ltd

"Maritza - East Mines" - Design, delivery of equipment, installation and commissioning of SCADA systems in9 substations.

NEK AD Branch
"Rodopi" HPP

“Aleko” HPP– Design and erection of lightning protection in “Aleko” HPP area

NEK AD

“Iskar” Dam- reconstruction of equipment for the overflow valve of the dam wall

NEK AD Branch
"Rodopi" HPP

“Orfey” SPP - Design, delivery, erection and commission worksandputting into service ofpanels (secondary connection)in 220kV switchyard, 20kV switchgear, 10,5kV switchgear, control roomandCMI and Automation