Standby Generator Maintenance
One-off generator maintenance, or 24/7/365 cover with timed response to site in emergencies, and planned service schedules.
Introduction
Your standby generator is designed to restore power during a mains failure, protecting essential systems and helping to maintain business continuity. When an outage occurs, you need complete confidence that it will start, operate correctly and support the required load.
A standby generator represents a significant investment and must be maintained to a consistently high standard. NSSE offers six-monthly servicing agreements with a major and minor service being carried out on an alternating basis.
Our planned preventative maintenance programmes include comprehensive inspections, operational testing and checks across the generator’s key components and supporting systems. Regular servicing helps maintain reliable performance, extend equipment life and identify developing faults or corrective works before they result in failure.
Maintenance contracts are available nationwide with contracted response options from four hours.
Key Benefits
- Emergency Coverage 24/7/365.
- 4 hour emergency response.
- 1 or 2 annual Preventative Maintenance Service Visits.
- Full Technical support 24/7/365.
Contact Us
If you require an emergency call out for your contracted equipment, the 'in hours' and 'out of hours' emergency contact numbers can be found on your maintenance contract.
For all other enquiries, please complete the form below, and one of our team will contact you at the earliest opportunity.
Alternatively, call us on 0333 222 4000. Our office hours are Monday to Friday: 9:00 am – 5:00 pm.
Frequently Asked Questions
Standby generator maintenance refers to the scheduled inspection, testing and servicing of your standby generator to help ensure it operates effectively and efficiently when called upon. Regular maintenance reduces breakdowns and extends the life of the generator.
Routine maintenance ensures your generator will start and run correctly during a power outage. It also helps identify wear, corrosion, or fuel issues before they become costly failures, protecting your operations and reducing downtime.
Most standby generator manufacturers recommend regular maintenance twice a year with a major and minor service taking place every 6 months. A tailored maintenance plan based on your generator and site needs is best.
A standard service covers visual inspection, battery tests, fluid and filter checks, load testing and system diagnostics. Technicians also check control systems, fuel quality and safety features to ensure dependable performance.
Yes. We provide standby generator maintenance for a wide range of makes and sizes, from small residential units to large commercial generators. Our technicians are trained to work with most major manufacturers.
Professional maintenance improves reliability, enhances fuel efficiency, prevents unexpected failures and helps you meet warranty requirements. It also gives you peace of mind that your standby generator will perform when needed.
Signs such as difficulty starting, unusual noises, low power output, warning lights or excessive smoke can indicate maintenance is needed. Scheduled servicing helps catch issues before they affect performance.
Yes. Regular standby generator maintenance increases efficiency and prevents expensive repairs that can arise from neglected components. It also helps avoid costly downtime from generator failure.