Client: NEOPET Ltd. | Sliven Municipality, Bulgaria.

Description: Rehabilitation of TIS 2 “Druzhba” and TIS 3 “Georgi Kirkov” rectifier substations. PM Electrical designed, manufactured and supplied 750 V DC switchgear, local SCADA systems and 12-pulse traction rectifiers, and provided installation supervision, commissioning, personnel training and warranty service.

Client: Industrial / Mining Sector – Chelopech, Bulgaria

Description:
Expansion and modernization of the 110/10/6.3 kV Chelopech Substation, including a new 110 kV transformer bay and replacement of equipment in two existing 110 kV bays. The project covered high-voltage equipment, MV cabling, busbar systems, grounding and lightning protection, civil works, electrical testing and commissioning.

Client: Renewable Energy Project – Petrich, Bulgaria

Description:
Supply of high-voltage power transformers for a 35 MW photovoltaic project in Petrich, Bulgaria. The project included 110 kV transformer units with rated capacities of 40 MVA and 55 MVA, supporting the connection of the solar generation facility to the high-voltage network.

Client: National Railway Infrastructure Company (NRIC)

Location: Tvarditsa, Sliven Region, Bulgaria Project period: December 2022 – May 2025

Description: Modernization of the 110/25 kV traction substation in Tvarditsa and the Nikolaevo sectioning post, including reconstruction works, modernization of the 110 kV switchyard, secondary systems, SCADA integration, testing and commissioning.

Client: Electricity System Operator EAD (ESO), Bulgaria
Awarded: 2023

Description:
Supply of 400 kV voltage instrument transformers for Bulgaria’s high-voltage transmission network, designed for accurate voltage measurement and reliable operation of transmission substations.

Client: LACTOTIM-K Ltd.
Location: Kameno, Burgas Region, Bulgaria
Project: 49.5 MW / 99 MWh BESS

Description:
Development of a standalone 49.5 MW / 99 MWh battery energy storage system in Kameno, including a medium-voltage/110 kV step-up substation and an Energy Management System (EMS), supporting flexible and reliable integration of energy into the power grid.