About Nexum Power

Engineering Beyond Expectation

Our Philosophy

To build long-term trust with a client base, supporting them to achieve their long-term ambitions based on ethical business practices and our passion for Engineering.

The Result

Best in class engineering solutions backed by experienced, passionate and professionally registered credible Engineers that you can rely on!

Our Capabilities

Comprehensive high voltage energy solutions backed by fully trained and experienced team members across construction sites, National Grid sites, and private networks

Core Engineering

  • Fully trained team members & supply chain
  • All routine maintenance activities
  • Fault finding & repair (inc. cable)
  • 24-hour alarm handling
  • Grid Code/STC compliance
  • Safety rules & governance
  • Specialist consultancy
  • Asset management
  • UK transmission network expertise

Maintenance & Inspection

  • Equipment inspection
  • Protection maintenance
  • SCADA maintenance
  • Communications systems
  • Switchgear maintenance
  • Transformer & shunt reactor
  • Harmonic filter & capacitor bank
  • Earthing system
  • Cable & bus duct maintenance
  • Battery & DC system
  • UPS & LVAC system
  • Fire systems & HVAC
  • Building services

Repair & Replacement

  • Cable fault location & repair
  • Protection replacement
  • Comms system upgrade
  • Battery replacement
  • Capacitor recommissioning
  • Gas & oil top up/filtration
  • Leak detection
  • Thermal vision & PD monitoring
  • Fan/pump replacement
  • Bus duct repair
  • Bushing replacement
  • Cable termination/joint replacement
  • CT VT, SA, PI, RCVD replacement
  • AIS repair & contact replacement

Database & Documentation

  • Protection settings database
  • SCADA versions management
  • Firewall & switch configurations
  • As Built documentation
  • Maintenance records database
  • Planning & licensing
  • Local Authority & EA liaison
  • Generator licence management
  • Grid Code compliance docs

Case Studies

Real-world examples of our engineering excellence across major infrastructure projects

Project Manager – GyM SSEC3

Managed all aspects of the £22m subsea 5.3km cable replacement from the type testing of the subsea joint, to obtaining consents from NRW and deeds from The Crown Estate.

Maintenance Engineer

Organising multiple areas and maintenance activities within a short outage window to maximise generation revenue by minimising downtime. Maintenance including transformer tap-changer, switchgear timing tests, protection maintenance, insulator cleaning, leak repair, CT replacements, transformer bushing replacement.

Owners Engineer – Major BESS Development

Owners Engineer to a major BESS developer leading upon the 400kV connection design for multiple 1025MW BESS systems including layout, 400kV cabling, equipment and protection specification and Employer's Requirements.

Fault Location Specialists

Fault location and RCA of cable and equipment faults at various sites on both subsea and land assets. Experts in multiple techniques including DAS for which Luke Bishop holds the patent for the location methodology (Patent GB-2583712-A, 11/11/2020).

Grid Compliance Manager

Manage all aspects of achieving Grid Code Compliance from managing UDFS to review of system studies, production of grid compliance test procedures to interface with Control Rooms and submission of compliance.

Our People

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Luke Bishop, CEng MIET

Chartered Engineer

A Chartered Engineer and specialist in transmission and distribution system design and technology. His experience encompasses system design, modelling, specification, CAPEX/OPEX analysis, failure investigation, location & repair, and commissioning.

  • Previous: TCS (OFTO), LPA (now RINA), National Grid, EDF (now UK Power Networks)
  • Experience: Led large design teams, Commissioning Manager
  • Specialisations: Wind, Solar, Battery Storage systems up to 400kV
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Callum Guida, IEng MIET

Professionally Registered Engineer

UK Award Shortlisted Entrepreneur and Professionally Registered Engineer with one and a half decades experience in Power Systems at transmission voltages up to 400kV including Solar, BESS, Tidal and Wind Energy across both HVAC and HVDC technology.

  • Authorised under 8 different sets of safety rules up to 400kV
  • Experience: 15 years in high voltage power systems
  • Specialisations: Control Person, Authorising Engineer, Safety Compliance
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Jamie Simmons

Chartered Engineer

A Chartered Engineer and specialist in transmission and distribution system design and technology. His experience encompasses system design, modelling, specification, CAPEX/OPEX analysis, failure investigation, location & repair, and commissioning.

  • Previous: TCS (OFTO), LPA (now RINA), National Grid, UK Power Networks
  • Experience: Large design teams, Commissioning Manager roles
  • Specialisations: Wind, Solar farms, Battery Storage up to 400kV
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Geoff Briggs

Professionally Registered Engineer

UK Award Shortlisted Entrepreneur and Professionally Registered Engineer with extensive experience in Power Systems at transmission voltages up to 400kV including Solar, BESS, Tidal and Wind Energy across both HVAC and HVDC technology.

  • Authorised under multiple safety rule sets up to 400kV
  • Experience: Control Person, Authorising Engineer
  • Specialisations: Safety panels, company safety advisory roles

Why Choose Us?

Value Added Solutions

£m's saved for clients to date through innovative engineering approaches and cost-effective solutions

Your Trusted Partner

Honesty and ethical principles at the core of our business for long-standing client relationships

Credibility

Professionally registered engineers with decades of experience in high voltage networks

Well-Honed Supply Chain

Personal relationships with access to the most respected companies in the industry

Ready to Work with Us?

Let's discuss how our team can support your high voltage energy needs

Get in Touch