Specialist & Extended Services
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Fault Location & Emergency Response
We provide rapid-response fault location and repair services to minimise downtime and restore critical infrastructure.
- HV cable fault location (including TDR and sheath testing)
- Emergency call-out and support
- Cable repair and reinstatement
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Operation & Maintenance (O&M)
Our lifecycle support services ensure ongoing reliability and performance of HV assets.
- Planned preventative maintenance (PPM)
- Asset inspection and condition monitoring
- Thermal imaging and diagnostics
- Planned shutdown and outage support
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Substation Installation & Electrical Balance of Plant (EBoP)
We deliver essential substation works as part of wider HV infrastructure projects.
- Installation of switchgear and transformers
- Busbar connections and integration works
- Earthing system installation
- Support for upgrades and extensions
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HV Authorised & Senior Authorised Person (AP/SAP) Services
We provide experienced HV authorised personnel to support safe system operation and control.
- Switching operations and isolations
- Permit control and safety documentation
- System access planning and authorisation
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Cable Supply, Routing & Engineering Support
Our engineering expertise supports projects from early-stage design through to delivery.
- Cable routing and system install input
- Assistance in cables technical specification
- Installation methodology development
- Technical consultancy and advisory
Deliver to ....
Independently Assessed. Competence Assured.
Our high-voltage technicians undergo regular independent assessment and verification, ensuring their technical capability continues to meet industry and client requirements.
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Renewable Energy HV Solutions
We support the UK’s growing renewable energy sector with dedicated HV services.
- Wind farm (onshore and offshore) installation
- Solar farm and grid connection works
- Battery Energy Storage System (BESS) connections
- End-to-end grid interface solutions
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HV Asset Replacement & Upgrades
We support network modernisation and capacity improvements across existing infrastructure.
- Cable replacement programmes
- System upgrades and reinforcements
- Retrofitting modern accessories and components
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Condition Assessment & Diagnostics
We provide advanced diagnostic services to assess asset health and performance.
- Partial discharge testing
- Tan delta testing
- Asset condition reporting
- Remaining life and performance analysis
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Competence & Assurance
The competence of our high voltage technicians is central to our service delivery. All personnel undergo regular independent assessment and verification, ensuring their technical capability consistently meets industry and client requirements.
This provides assurance that all work is carried out safely, competently, and in full compliance with recognised standards.
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Onshore & Offshore Capability
Our teams are experienced in delivering projects across both onshore and offshore environments throughout the UK. We understand the unique challenges of each setting and deliver with efficiency, flexibility, and a strong safety culture.