High-Voltage Jointing Onshore

High-Voltage
Jointing Onshore

For grid operators and contractors looking to expand or upgrade network capacity, this service ensures seamless project execution and robust grid connections.

What i provide

Advanced installation capabilities

Delivering high-quality HV jointing and terminations for systems up to 400kV AC and 525kV DC, facilitating grid capacity upgrades and modernisations.

Interface management

Coordinating with site teams, contractors, and operators to streamline execution and prevent delays or miscommunications.

Pre- and post-load testing 

Ensuring joint integrity and optimal performance of cable systems through thorough testing procedures.

Substation cable connections

Expertise in pulling, terminating, and testing interconnecting cables between switchboards and transformers, with voltage capacities up to 525kV.


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brochure

Your Partner in Success

Choosing Reynard means choosing excellence. I’m not just connecting turbines to cables. I’m connecting the future – homes, cars, all to renewable energy. Let’s make it happen, together.

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Projects

Frequently asked questions

▶ What is high-voltage jointing onshore?

High-voltage jointing onshore refers to the expert installation, termination, and testing of onshore cable systems. It ensures stable, efficient power transmission, enabling grid expansions, upgrades, and reliable energy flow.

▶ How do your services support grid operators and contractors?

We streamline project execution for grid operators and contractors by managing interfaces, coordinating teams, and ensuring cables are installed and tested correctly. This prevents delays, mitigates risks, and keeps your project on schedule.

▶ Which voltage levels can you handle?

Our team is experienced with high-voltage systems up to 400kV AC and 525kV DC, ensuring flexibility and scalability for a wide range of onshore grid projects.

▶ Why are pre- and post-load tests important?

Rigorous pre- and post-load testing verifies that every joint and termination meets stringent quality standards. Identifying potential issues early ensures smooth commissioning, reduces downtime, and maintains long-term system reliability.

▶ Can you manage substation cable connections?

Yes. We specialise in pulling, terminating, and testing cables between switchboards and transformers. Our expertise guarantees robust substation connections, supporting stable grid performance and future growth.