
HV, MV & LV Switchgear Design & Installation in Harlow, Essex
Oltec is a leading provider of HV, MV and LV switchgear design, installation and commissioning services, supporting clients in Harlow, Essex and across the United Kingdom. Backed by over 40 years of hands-on experience in high voltage and low voltage switchgear projects, our fully qualified and competent engineers deliver the complete range of electrical substation installation services. From power distribution transformers and transformer rectifiers through to protection and control systems, battery systems and cable management, we provide a comprehensive switchgear installation solution tailored to your project requirements.
☎️ 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 Services, our engineering teams possess all of these qualities and more, having spent over 40 years delivering switchgear installation projects across Harlow, Essex 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
Oltec FM has dedicated teams of Power Installation specialists working nationwide, fitting out electrical substations, compounds, control rooms and cable runs across a wide variety of project environments. Operating throughout Harlow, Essex and the rest of the UK, our engineers are experienced in the full scope of substation infrastructure installation, including the installation of framework and plinths on which primary equipment is seated. We understand that getting the foundations right is critical to the long-term performance and safety of any switchgear installation, and our teams approach every element of the substation build with care and precision. In addition to standard substation configurations, we are also experienced in the installation of modular type substations, generator systems and protection panels, giving clients the flexibility to choose a solution that best meets their operational and commercial requirements. Whatever type of substation installation your project requires, our teams have the skills and experience to deliver.


Experienced Switchgear Installers and Substation Electricians
Handling specialist lifts and plant movement as a matter of course, Oltec FM ensures that every logistical challenge associated with a switchgear installation project in Harlow, Essex or anywhere else in the UK is managed safely and to plan. Our trained switchgear installers have accumulated years of experience working with switchgear from numerous different manufacturers, making us well-placed to install virtually any type of HV, MV or LV switchgear to the required standard. Our teams of substation electricians complement the primary installation works by designing and installing cable management systems that are suited to the specific site environment and project specification, and by installing all power, control and fibre cabling within those systems. The installation of small power and lighting also falls within our scope, allowing us to provide clients with a genuinely comprehensive electrical substation installation service that minimises supply chain complexity and maximises accountability throughout the project lifecycle.
Contact Our Expert Team Today for Turnkey Electrical Solutions
For clients looking to reduce the complexity and cost of supply chain management on their substation or switchgear projects, The Oltec Group offers a complete substation build service that covers every stage of the installation process. From civil preparation and equipment plinth installation through to HV and LV switchgear installation, cable management, power and control cabling, small power and lighting, our teams handle it all. We operate across Harlow, Essex and throughout the UK, working closely with clients, main contractors and project managers to ensure that programme, quality and safety targets are met at every stage. Our commitment to delivering fully integrated electrical installation solutions means you have one point of contact, one accountable contractor and a team that understands your project from the ground up. If you are planning a substation build or a large-scale switchgear installation project and would like to discuss how we can help, get in touch with our team today and we will talk through your requirements in detail.


