End-to-end delivery across power infrastructure
At the Heighway Group, we offer a fully integrated range of services across power transmission, distribution, and infrastructure delivery. Our four specialist divisions – Optimi, Construction, Energy, and Plant – operate with precision and expertise across their respective fields, and collaborate seamlessly to deliver complex, large-scale projects across the UK’s energy sector.
We support our clients from pre-construction to final energisation, ensuring alignment at every stage – commercial, technical, and operational. Whether acting as a principal contractor or part of a wider delivery partnership, we bring together planning discipline, sector knowledge, and full project accountability.
Mechanical and Electrical installation at scale
Heighway Energy provides Mechanical and Electrical installation services across high-voltage systems, substations, and transmission infrastructure. With qualified cable jointers, wiremen, and commissioning engineers, we deliver critical infrastructure that meets the highest standards of performance and regulatory compliance.
Specialist civil engineering for the energy sector
Our Construction division focuses on the civil engineering and groundworks that power systems depend on – from HV compound construction and duct installation to foundations and reinstatement. Working across substations, switching stations and energy infrastructure sites, our teams deliver safely, to specification, and on programme.
In-house plant, logistics and site support
Our in-house Plant division allows us to manage resources, timelines, and on-site logistics with greater efficiency and control. With a full fleet of operated equipment, certified lifting personnel, and rapid deployment capabilities, we reduce dependency on third parties and deliver more consistent project outcomes.
High voltage and commissioning expertise
Optimi specialises in the design, integration, and commissioning of Extra High Voltage (EHV) infrastructure – delivering complex, regulated systems with precision and care. With decades of combined experience in managing high-risk, high-voltage environments, the team ensures compliance, safety, and performance from concept through to energisation.
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