Maintenance & Repair
Overview
Generator maintenance is the difference between standby power that performs when called upon and equipment that fails when it matters most.
AC Automation services over 1,000 diesel generators every year across Northern Ireland, covering all makes and sizes.
Every visit is delivered by our own engineers, supported by 24/7 emergency callout cover and full digital reporting.
Benefits
24/7 Emergency Cover
Round-the-clock breakdown response — engineers ready to respond whenever a generator goes down.
Trusted at Scale
Over 1,000 diesel generators serviced annually across Northern Ireland — depth of experience few can match.
Flexible Schedules
Monthly, biannual, or annual service visits — every PPM contract built around the client’s needs.
Digital Service Reports
Every visit documented with detailed digital reports — full asset history at your fingertips.
All Makes, All Sizes
Every make and size serviced — from compact standby sets to multi-megawatt installations.
In-House Engineering
Maintenance, repair, and emergency cover delivered entirely by our own team — never subcontracted.
Features
- Planned preventative maintenance (PPM) contracts with flexible visit frequencies
- 24/7/365 emergency callout cover
- All makes and sizes of diesel generator — Perkins authorised
- Digital service reports with full visit history and asset records
- Integrated services — load bank testing, fuel polishing, oil analysis, and remedial works available
Talk to Our Team
Whether you have a single standby set or a fleet of generators across multiple sites, every maintenance relationship starts with understanding what matters most to your operation. Our team will work with you to build a service contract that fits your equipment, your frequency requirements, and your budget.
Talk to our team about a PPM contract, emergency cover, or one-off service visit — and find out why over 1,000 generators across Northern Ireland are looked after by AC Automation.
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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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