Power distribution & transmission
In the field of energy distribution and transmission, SGS supports national and international grid expansion projects. We carry out electrical installations for HVDC facilities, substations, switchgear and transformers – including assembly, connection, earthing and commissioning support. We are distinguished by our technical precision, well-established processes and extensive experience in energy infrastructure.
HVDC converter stations
Whether for national energy projects or international grid expansion schemes, SGS Industrial Services delivers reliable electrical installations for high-voltage direct current (HVDC) converter stations and substations. As an experienced service provider in the field of energy infrastructure, we offer bespoke, end-to-end solutions for complex large-scale projects.
An overview of our services for HVDC converter stations:
- Installation of converters and cooling systems, including HV equipment
- Installation of transformers, including oil filling
- Laying of cables, earthing bars and cables
- Erection and connection of C&P cabins and systems
- Ancillary installations and steel support structures
- Lightning protection, parts of the earthing system
- Mains and control cable installation
- Bus/connection work to ensure smooth commissioning
Substations
SGS undertakes the professional assembly and installation of key components in substations. We ensure that all work is carried out with precision and that components are safely integrated into existing grid infrastructures. In doing so, we combine technical expertise with high-quality workmanship – even under challenging project conditions.
Services at a glance:
- Assembly of cable support systems
- Installation of switchgear
- Assembly of parts of the earthing system
- Laying of medium-voltage, power and control cables
StatCom systems
For StatCom systems, SGS supports the implementation of complex grid stabilisation systems. Our experienced installation teams install all components with precision and in a coordinated manner – from transformers to control and cooling systems.
Services at a glance:
- Installation of transformers, including oil filling
- Installation of medium-voltage equipment
- Installation of converters and cooling systems
- Installation of emergency power generators and battery systems
- Installation of power and control cables
- Installation of cable trays
SynCon systems
SGS provides installation services for SynCon systems, meeting the highest standards of safety and quality. We support projects from the installation of the main components through to full electrical connection.
Services at a glance:
- Installation of cable support systems
- Installation of medium and high-voltage equipment
- Installation of transformers
- Installation of emergency power generators and battery systems
- Laying of medium-voltage, mains and control cables
Gas-insulated switchgear (GIS)
SGS Industrial Services ensures your gas-insulated switchgear (GIS) is high-performing and reliable – both onshore and offshore. We combine technical expertise, precision installation and certified SF6 handling to ensure your systems meet the highest safety and quality standards.
Our services at a glance:
- Installation and integration of primary and secondary equipment for onshore and offshore substations
- Carrying out the installation and supporting the commissioning
- Conducting earthing measurements in collaboration with partner companies
- Professional SF6 handling by certified specialists
- Set-up and operation of high-voltage test facilities
- Implementation of protection and control technology
Air-insulated switchgear (AIS)
SGS Industrial Services supports energy suppliers and industrial customers in the planning, installation and commissioning of air-insulated switchgear. We offer comprehensive services ranging from primary and secondary systems to protection and control systems – reliably, precisely and on schedule.
Our services at a glance:
- Primary and secondary engineering: assembly, adjustment and commissioning
- Busbar assembly and field cabling
- Erection of gantries and overhead line systems
- Installation and fine-tuning of HV components
- Connection of transformers and QRTs (cross-regulation transformers)
- Support during commissioning
- Earthing measurements in collaboration with partner companies
- Protection and control technology
d.
Transformer assembly
Whether dry-type transformers or oil-cooled units: our specialists ensure that your transformer is installed safely and ready for operation – including all relevant assembly, testing and connection work. To ensure maximum efficiency and safety, we rely on our own container solutions, equipped with high-quality equipment for vacuum drawing, air drying and oil filling. This is how we guarantee smooth processes – flexibly, independently and on schedule.
With years of experience, sound planning and a well-coordinated team, we offer you a comprehensive, worry-free package for your transformer installation – both nationally and internationally.
An overview of our services
- Dry-type transformer installation
- Oil-filled transformer installation with oil filling, including testing
- Copper busbar installation
- Planning and installation of cable support structures
- Earthing
Transformer oil filling for maximum efficiency and safety
SGS Industrial Services supports you in the professional oil filling of transformers – quickly, safely and using state-of-the-art technology. Our specially developed mobile container solutions are equipped with systems for vacuum extraction, air drying, and oil treatment and filling. This enables us to guarantee smooth operations, regardless of location or project size.
Our team works with precision and expertise and is ready to operate worldwide. You benefit from a professional, end-to-end service, including oil transformer installation and all necessary tests.
Our specialist equipment:
- Vacuum oil treatment unit
- Auxiliary heating for oil treatment
- System for the flexible generation of dried breathing air (no dry air cylinders required)
- Dielectric strength tester and extensive range of accessories
Your contact person
