
HV, MV & LV Switchgear Design & Installation in Sleaford, Lincolnshire
Delivering high quality HV, MV and LV switchgear installation and commissioning services to clients throughout Sleaford, Lincolnshire, Oltec Services brings over 40 years of electrical engineering expertise to every project we undertake. Our specialist power installation teams are equipped to design, install and commission the full range of high voltage, medium voltage and low voltage switchgear, alongside protection and control systems, power distribution transformers, battery systems and all associated cable management. If you are looking for a switchgear contractor you can rely on, our proven track record speaks for itself.
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βοΈ 0800 038 9786
βοΈ info@oltecgroup.co.uk
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β Established 40+ years β Fully accredited
β Nationwide coverage β 24/7 emergency support

Expert HV, MV and LV Switchgear Installation and Commissioning
Our team of specialist switchgear engineers is fully qualified and competent to install and commission HV, MV and LV switchgear as part of projects of any scale or complexity. Covering Protection and Control Systems, Power Distribution Transformers, Transformer Rectifiers, Battery Systems, cables and cable management systems, we deliver a genuinely comprehensive electrical installation service for clients in Sleaford, Lincolnshire and across the United Kingdom. From a straightforward package substation installation to a major turnkey high voltage switchgear project requiring full system commissioning, Oltec Services has the depth of experience and technical capability to see your project through from initial scoping to final sign-off. Our engineers hold the relevant industry accreditations and have extensive hands-on experience working with switchgear from a wide range of manufacturers, ensuring we are able to meet your technical specification regardless of the equipment type involved.
Specialist Substation Installation Teams Working Nationwide
The Oltec Group 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 Sleaford, Lincolnshire 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
Part of what sets Oltec Services apart from other switchgear contractors is our ability to manage every aspect of the installation process, including specialist lifting operations and plant movement activities. Our teams are fully trained to carry out these activities safely and efficiently, ensuring your project stays on schedule and that all equipment is positioned correctly and without damage. With extensive experience of working with switchgear from many different manufacturers, our installation engineers are comfortable with a wide range of equipment types and configurations. Across Sleaford, Lincolnshire and the rest of the UK, our substation electricians install cable management systems relevant to the site environment and specification, followed by the installation of all power, control and fibre cabling. Small power and lighting installation completes our scope, meaning clients who choose us benefit from a single contractor capable of delivering the full electrical installation works within their substation or switchroom project.
Contact Our Expert Team Today for βTurnkey Electrical Solutions
Oltec FM is able to complete entire substation builds under a single contract, providing clients with a streamlined, low-risk approach to electrical installation project management. By consolidating all electrical installation activities - from structural preparation and equipment installation through to cabling, small power and lighting - under one experienced and accountable contractor, clients throughout Sleaford, Lincolnshire and the UK benefit from improved programme certainty, reduced coordination overhead and a single point of accountability for quality and compliance. Our highly experienced installation teams work across all phases of the substation build, bringing the same high standards to every element of the works. Whether you are managing a complex turnkey HV switchgear project or a more straightforward substation installation, we have the capability and resource to deliver. We encourage you to get in touch with our team to discuss your project requirements, and we will work with you to develop a solution that meets your technical, commercial and programme needs.


