
HV, MV & LV Switchgear Design & Installation in Colchester
At Oltec Services, we are proud to be one of the most trusted names in HV, MV and LV switchgear installation and commissioning across Colchester and beyond. With four decades of experience delivering high voltage switchgear projects, our competent and fully qualified electrical engineers provide end-to-end solutions covering power distribution transformers, protection and control systems, battery systems, cable management and substation installation. From a single package substation through to a complex, multi-site turnkey installation, we bring the experience, technical capability and dedicated resource your project demands.
☎️ 0800 038 9786
✉️ info@oltecgroup.co.uk
✔ Established 40+ years ✔ Fully accredited
✔ Nationwide coverage ✔ 24/7 emergency support

Expert HV, MV and LV Switchgear Installation and Commissioning
The installation and commissioning of HV, MV and LV switchgear requires a high degree of technical competence, rigorous adherence to safety standards and a thorough understanding of power distribution systems. At Oltec, our engineering teams possess all of these qualities and more, having spent over 40 years delivering switchgear installation projects across Colchester and throughout the UK. We install and commission Protection and Control Systems, Power Distribution Transformers, Transformer Rectifiers, Battery Systems and all associated cables and cable management systems, covering the complete scope of a modern electrical substation or switchroom installation. Whether your project involves a single package substation or a large-scale turnkey installation with full system commissioning, our engineers will work safely and efficiently to ensure your switchgear is installed, tested and commissioned to the required specification and ready for service.
Specialist Substation Installation Teams Working Nationwide
Our nationwide network of Power Installation specialists means that wherever your electrical substation project is located, Oltec is able to provide the experienced teams you need to deliver it. From Colchester to the furthest corners of the UK, our engineers fit out electrical substations, compounds, control rooms and cable runs, and are fully experienced in the installation of structural frameworks and plinths to support primary electrical equipment. We are equally adept at delivering modular substation installations, generator integration and protection panel installation, providing a truly flexible service that adapts to the unique requirements of each project. Our substation installation teams work in close coordination with project managers, civil engineers and principal contractors to ensure the installation programme is maintained, and that all works are completed safely and in accordance with the relevant technical specifications and industry standards.


Experienced Switchgear Installers and Substation Electricians
Oltec Services takes a truly end-to-end approach to switchgear installation, covering not only the electrical installation works but also any specialist lifting or plant movement activities that form part of the project. Our experienced teams manage all associated logistical challenges safely and efficiently, ensuring that plant and equipment arrives in position without delay or incident. With a workforce of trained switchgear installers experienced across a wide range of switchgear manufacturer types, we are able to work with virtually any equipment specification your project demands. In Colchester and across the UK, our substation electricians install cable management systems to suit the site environment and technical specification, and subsequently install all power, control and fibre cabling into those containment systems. We additionally cover the installation of small power and lighting, rounding out our comprehensive installation offering and providing clients with a single, accountable contractor for their complete substation electrical installation works.
Contact Our Expert Team Today for Turnkey Electrical Solutions
Our complete substation build capability means that clients working with The Oltec Group can significantly reduce the number of specialist contractors required to deliver their project. From the installation of equipment frameworks and primary HV, MV and LV switchgear through to cable management systems, power and control cabling, fibre cabling, small power and lighting, all works are delivered by our own highly trained and experienced teams. We operate throughout Colchester and on a nationwide basis, giving clients the confidence that wherever their project is located, they have access to a capable, experienced and accountable contractor. This integrated approach also benefits programme delivery, as our teams work in close coordination rather than in sequence as separate contractors would. If you are considering a substation build and want to explore the benefits of working with a single, experienced electrical installation contractor, get in touch with us today and our team will be pleased to talk through your project requirements and how we can best support them.


