Specialist High Voltage Installations Across the UK
From full substation fit-outs to control wiring and commissioning support, MPS delivers safe, reliable, and efficient solutions for high voltage infrastructure — 11kV to 132kV.
About Maxwell Power Services LTD
Our Services
HV Substation
Installations
We carry out full HV substation installations from 11kV to 132kV.
Our team handles modular, indoor, and outdoor setups safely.
Each project is delivered to spec with strict compliance.
Ideal for utilities, BESS, and renewable power systems.
LV Control & Protection Wiring
We provide accurate wiring for switchgear, panels, and transformers.
Ensures seamless operation and fault protection in all systems.
Trusted for live substation and utility-standard work.
Critical for safe, responsive grid infrastructure.
Cable Glanding & Termination
Specialists in SWA, XLPE, and MV cable termination & glanding.
Our work is neat, durable, and fully utility compliant.
Protects connections in high-voltage environments.
Installed with precision and long-term performance in mind.
Earthing
Systems
We design and install robust earthing systems that meet all standards.
Protect your equipment and personnel from electrical faults.
Custom solutions for substations, renewables, and upgrades.
Tested and verified for maximum safety and reliability.
Small Power & Containment
We install small power systems with clean containment routing.
Includes trays, trunking, sockets, and temporary supply setups.
Supports both new and retrofit HV projects.
Built to stay neat, safe, and future-proof.
BESS Integration & Testing Support
From installation to testing, we support full BESS lifecycle needs.
We wire batteries, inverters, and connect to control gear.
Also provide commissioning and troubleshooting support.
Perfect for energy storage and grid-ready solutions.
Testimonials
Words From Satisfied Clients
We needed fast turnaround on cable glanding and earthing upgrades for a battery site, and MPS delivered. Their attention to detail and commitment to utility standards is unmatched. Highly recommended!
James R Senior Engineer, Northern Energy SolutionsThe control and protection wiring work done by Maxwell’s team was top-tier. They kept everything compliant and neatly executed, even under pressure. I’ll definitely be calling them again.
Amir K. Site Supervisor, GreenPower Ltd
Maxwell Power Services handled our 33kV substation installation with total professionalism. The team was punctual, safety-focused, and incredibly efficient. We were impressed by their deep knowledge and clean execution.
Sarah M. Project Manager, SolarGrid UK