Mechanical and Electrical installation for high-voltage infrastructure
Heighway Energy delivers fully integrated Mechanical and Electrical (M&E) services across power transmission and distribution projects. From high-voltage cable systems to substation installations, we provide specialist expertise in jointing and fitting – executed with precision, safety, and full regulatory compliance.
Our teams operate nationwide, supporting large-scale infrastructure programmes up to and including 400kV. We offer complete coverage of M&E installation, whether as part of a full Heighway Group package or as a standalone specialist contractor.
What we deliver
Heighway Energy provides skilled professionals and coordinated delivery across:
Electrical and mechanical testing and certification
HV cable jointing, terminations and connections (up to 400kV)
Electrical and mechanical fitting for substations and switchgear
Transformer installation and pre-commissioning
Control and protection panel wiring
Mechanical integration of support systems
Mechanical installation of structural steel
All work is delivered in accordance with industry best practice and client specifications, including National Grid and DNO standards.
Full project capability
We bring together all the technical disciplines needed to deliver complex HV infrastructure. From core installation to test readiness and energisation, we provide end-to-end service integration and onsite responsiveness.
Highly experienced and Add LV HV EHV and SAP Services
In-house coordination with civils and plant divisions
Transparent project planning and quality assurance
Full health, safety, and compliance oversight
Trusted by major utilities
Our Mechanical and Electrical teams are known for their reliability, attention to detail, and ability to work in live and high-risk environments. With growing demand for high-voltage expertise, Heighway Energy continues to support new build and upgrade projects across the UK’s constantly evolving energy landscape.
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