We specialise in high voltage electrical engineering solutions for clients across the UK. With over 30 years of experience, we deliver safe, efficient, and compliant services for every stage of your HV and LV power systems – from design to commissioning.
We provide end-to-end support for high voltage engineering projects, whether you’re installing a new system, upgrading infrastructure, or planning maintenance. Our certified engineers are qualified to work on:
High voltage substations
HV/LV cable jointing and termination
Substation installation
Network connections and upgrades
System testing and commissioning
We work closely with DNOs, ICPs, commercial developers, and industrial clients to ensure every project meets the highest standards..
From high voltage (HV) networks down to low voltage (LV) distribution, we’ve got the skills, equipment, and accreditation to deliver. We take on projects ranging from 11kV to 33kV.
No matter the voltage, our priority is always safety, reliability, and compliance.
Over three decades of HV experience
In-house project management
Transparent pricing and zero corners cut
When it comes to HV power engineering, we do it right – first time, every time.
Looking to discuss a high voltage engineering project? Need support with a substation or HV/LV connection? Speak to the team at RD Jointing today.
Email us at info@rdjointing.co.uk