Transformersubstations.
Zubcu Energy Group designs, installs and commissions transformer substations for industrial and commercial applications, with complete technical documentation and grid connection.
- 01Design + installation + testing + commissioning
- 02Transformer substations 10/0.4kV of various power ratings
- 03ANRE documentation and coordination with the energy supplier
- 04A team with proven experience in high-voltage projects

Medium voltage, put into service.
10/0.4 kV · ANREOne
accountable team.
From the first calculation to switching on the power — one team, no subcontractors.
Design
We choose the substation type and size the transformer to the load.
Delivery and installation
Transport, crane lift and fixing on the foundation.
Connection
We connect the 10 kV side and the 0.4 kV network.
Operation
Tests, ANRE paperwork and energising.
Transformer substations 10/0.4kV
Complete power supply solutions
A transformer substation is the heart of the power supply for a hall, factory or commercial complex. The safety and continuity of the entire installation depend on its correct sizing and execution.
Zubcu Energy Group offers turnkey solutions: we choose and supply the right equipment, carry out the installation and connection, perform the tests and commission the substation.
- Electrical design for transformer substations
- Installation of transformers, medium-voltage cells and 0.4kV panels
- Overhead and underground 10kV power lines for connection
- Tests, trials and commissioning
- Technical documentation and commissioning
Experience in high-voltage projects
Medium- and high-voltage work requires expertise and strict compliance with standards. With over 12000 completed projects and a team specialised in industrial electrical infrastructure, Zubcu Energy Group carries out this work safely and in line with regulations.




Frequently asked
questions.
A transformer substation steps the voltage down from 10kV to 0.4kV for consumers. Zubcu Energy Group handles the whole process: design, equipment supply, installation, connection, testing, commissioning and the required technical documentation.
Yes. We prepare the complete technical documentation, the approvals and the commissioning, including coordination with the energy supplier, so the substation is commissioned legally.
We install 10/0.4kV substations of various power ratings — in concrete enclosures, prefabricated, or in existing buildings, sized for the consumption of your industrial or commercial application.





