HV/LV Maintenance
Overview
HV and LV electrical infrastructure is the unseen backbone of every power generation system — and its condition directly affects the reliability of every connected asset.
We manage HV and LV maintenance through trusted specialist partners, giving clients a single point of contact across their wider electrical estate.
Our engineers interpret findings in the context of your broader power infrastructure — turning inspection reports into actionable recommendations.
Benefits
Single Point of Contact
One supplier coordinating HV, LV, and generator maintenance across your entire electrical infrastructure.
Trusted Partner Network
Specialist HV and LV partners selected through long-standing relationships, delivering proven technical capability.
Technical Interpretation
AC Automation engineers interpret survey findings — turning inspection data into actionable recommendations.
Integrated View
HV and LV findings reviewed alongside generator and control system condition for a complete picture.
Comprehensive Scope
From HV switchgear and transformers to LV panels, protection testing, and thermal imaging.
Reduced Procurement Burden
One contract, one invoice, one point of accountability — instead of managing multiple specialist suppliers.
Features
- HV switchgear maintenance — RMUs, transformers, and circuit breakers
- LV switchgear, panel, and distribution equipment maintenance
- Protection relay testing, thermal imaging, and insulation resistance testing
- Transformer oil sampling and analysis
- Fault finding and condition assessments with detailed reporting
Get in Touch
Looking to maintain your HV and LV electrical infrastructure, or wanting to bring the management of your wider electrical estate under a single point of contact? Our team will coordinate the right specialist support and interpret the findings in the context of your broader power infrastructure.
Get in touch to discuss your requirements — whether reactive support, condition assessment, or compliance-driven inspection.
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Our reviews
Hear first-hand from our incredible community of customers.
AC Automation has been a long-standing contract partner to NI Water for over 10 years. Providing goods and services 24/7, which includes planned and remedial maintenance. They provide generator hire and have provided support during major incidents.Their work helps keep our generator fleet available and well maintained, supporting the delivery of services to our customers.
Kieran HarkinSenior Contracts Manager, NI Water
AC Automation provides expert servicing and maintenance across our generator and electrical infrastructure, with a depth of capability spanning LV and HV systems and SCADA control. Their SCADA project at Belfast City Hospital has transformed how we manage our electrical estate and is now being replicated across the Trust.The team — from senior leadership through to the field engineers — are exceptional, and we are always treated as a priority customer.
Stephen LarmourSenior Estates Manager, Belfast City Hospital
AC Automation have provided Generator and associated Control Systems servicing, maintenance and repairs, together with new installations for the South Eastern Health and Social Care Trust Hospitals and Healthcare facilities for over 10 years. Their professionalism and ability to respond 24/7 provides us with confidence and reassurance that we can ensure continuity of essential critical infrastructure. AC Automation bring exceptional technical expertise and experience, are reliable and a welcome team member to solve problems at critical times.
Gerard MorelandSenior Estates Operations Manager, Ulster Hospital
AC Automation have provided the BHSCT with exceptional generator maintenance and control system development for over 20 years.
Their technical expertise, reliability, and proactive support have ensured the resilience and continuity of our critical infrastructure.
We highly value their professionalism and trust them as a key partner in maintaining essential services.
Jonny RaveyDivisional Estates Manager, Royal Group of Hospitals
Why Choose Us
Backed by over 35 years of experience, our own in-house engineering team and trusted specialist partners give clients a single point of contact across their wider power infrastructure.
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