Over 36 Years of Expertise in Power Generation Services
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years of experience
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generators maintained annually
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hire generation fleet
Power Generation and Electrical Engineering Services, backed by over 35 Years Expertise
For over 35 years, we have delivered power generation services to Northern Ireland’s — and beyond — most critical sectors, including healthcare, utilities, telecoms, and construction. From diesel generators and control systems to SCADA solutions, everything delivered in-house by our own engineers.
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Services We Offer
View AllInstallation & Commissioning
Full installation and commissioning of new diesel generators, from single standby units with AMF capability to multi-set systems synchronised with each other and the mains supply. Every project is delivered in-house by our own engineers, covering mechanical installation, electrical connection, control system integration, and final commissioning.
- Full mechanical and electrical installation
- AMF, synchronising, and mains-parallel applications
- Site commissioning and handover
Maintenance & Repair
Keeping generators ready when you need them most. We deliver planned preventative maintenance, reactive repairs, and 24/7 emergency callouts on diesel generators of all makes and sizes — servicing over 1,000 units annually across Northern Ireland.
- Planned preventative maintenance
- Reactive repairs and breakdowns
- 24/7 emergency callout cover
Control Systems
Bespoke control systems for diesel generators and electrical infrastructure, designed and built in-house to suit each site’s operational needs.
- AMF and standby control
- Generator to generator and mains-parallel synchronising
- Power Management Control Systems (PMCS)
SCADA
As a system integrator for Mitsubishi Electric Iconics Digital Solutions, we design, build, and commission bespoke SCADA solutions for power and electrical infrastructure. From individual generator control to site-wide HV/LV electrical distribution monitoring, our systems deliver real-time visibility, control, and reporting — all engineered and supported in-house.
- Generator and electrical system monitoring
- Site-wide HV/LV distribution control
- Mitsubishi Electric Iconics system integrator
Generator Hire
15 MW of in-house generator hire fleet, ranging from 20 kVA up to combined 4,500 kVA configurations. We handle every stage — supply, transport on our own HIAB-equipped lorry, installation, and commissioning.
- Single-set hire from 20 kVA to 3,000 kVA combined
- Supply, transport, installation, and commissioning
- AMF integration with critical systems
Remote Monitoring
Real-time visibility of generator performance and system health — anywhere, anytime — through cloud platforms or bespoke SCADA.
- Live status and performance data
- Alarm notification and reporting
- Remote access from any location
HV/LV Maintenance
Planned and reactive maintenance of HV and LV electrical infrastructure, coordinated end-to-end by AC Automation through trusted specialist partners.
- HV switchgear and transformers
- LV switchgear and distribution
- Protection relay testing and reporting
G99 Testing
As an NIE Networks approved contractor, we provide G99 testing and mains protection relay installation across a wide range of electrical systems. We test existing relays against current G99 requirements and install new compliant relays where needed.
- Testing of existing relays against current G99 requirements
- Supply and installation of new G99-compliant relays
- NIE Networks approved contractor
Remote Switching Panels
Improve operator safety and operational flexibility with bespoke remote switching panels for HV electrical systems.
- Safe remote operation of HV switchgear
- Bespoke design for each application
- Delivered in-house
Load Bank Testing
Resistive and reactive load bank testing for diesel generators of all sizes. From routine maintenance testing to full commissioning loads, we deliver every test in-house using our own load bank fleet and engineering team.
- Resistive and resistive-reactive testing
- Routine maintenance through to full commissioning loads
- Detailed test reporting on completion
Fuel & Oil Analysis
Fuel and oil analysis is essential to the long-term reliability of any diesel generator system. Our engineers carry out scheduled sampling and, in partnership with accredited laboratories, deliver detailed reporting on contamination, degradation, and engine wear.
- Scheduled on-site sampling by our engineers
- Laboratory analysis by accredited partners
- Detailed reporting on contamination and wear
Fuel System Modernisation
Ageing fuel systems are one of the most common causes of generator failure and environmental risk. As an OFTEC-registered company, we survey existing installations to identify non-compliance and spillage risks, then design and install modern, compliant replacements — covering tanks, fuel lines, valves, and associated equipment.
- OFTEC surveys of existing fuel systems
- Identification of non-compliance and spillage risks
- Replacement of tanks, pipework, valves, and ancillaries
Products We Offer
We offer a wide range of power generation and control solutions, carefully selected to deliver reliability, efficiency and performance.
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Our Core Values
Our Clients
Reviews
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
Case Studies
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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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