
High & Low Voltage Testing and Commissioning Engineers
HV & LV specialists offering expertise in switchgear, protection systems & electrical infrastructure.
Commissioning
HV & LV commissioning including protection testing & hipot testing.
Maintenance
HV & LV maintenance, periodic inspections.
Fault investigation
Fault diagnostic, data analysis.
Over four decades of experience performing High and Low Voltage works
Monster Power is a new venture, established in 2024, combining Ion HV ltd and Cationic Power Services ltd.
We are based in the Northwest of England and Central Scotland, with over four decades of experience within the electrical industry, providing competitive key resource in today’s market for all elements of High Voltage works.
We have completed projects in multiple sectors including Renewables (Onshore/Offshore Wind, Solar & Battery Storage), Transport and Critical Infrastructure like Data Centers.
We offer HV & LV solutions for a variety of systems across the UK & Ireland.

Our Services
What can we offer you?
Maintenance & Inspections
HV Commissioning
Asset Management
Customer reviews
What our customers are saying
Green Frog Connect have utilised the services of Monster Power for numerous activities including commissioning, SAP duties and multicore installation over numerous sites during the past twelve months. Their flexible approach has assisted with DNO interface, site energisation, final site testing through to successful project handover for both contestable and customer generation projects and we look forward to building on the relationship into the future.

Green Frog Power
Customer
Monster Power has consistently provided high-quality protection testing services, demonstrating flexibility and a strong commitment to delivering excellent results. Their expertise and professionalism make them a valued partner on our projects.

Alastair Symington, Ventus Energy
Head of O&M


Proud Sponsors of Saints RLFC
We’re delighted to announce our continued support and sponsorship of Saints RLFC Women’s Club.
As an Official Club Partner and an individual sponsor of Rachael Woosey, we wish her and the team the best of luck in the upcoming women’s super league season.