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Maintenance & Aftercare for Commercial Renewable Energy Systems

Keep your renewable energy systems performing at their best with expert maintenance and aftercare from ZLC Energy.

Why Maintenance Matters

Even the most advanced renewable energy systems need regular care to operate at their best. Without proper maintenance, performance can drop, leading to higher energy costs and lost revenue.

Regular inspections, performance checks, and proactive upkeep help you:

  • Maximise energy generation and efficiency
  • Extend the lifespan of your system
  • Detect faults or wear before they become costly
  • Stay compliant with insurer and warranty requirements
  • Enjoy peace of mind knowing your investment is delivering as promised

Trusted by Leading Organisations Across the UK

What’s Included in Our Commercial Solar PV Maintenance Packages

System Inspection & Testing
Visual and electrical inspection of panels, cabling, and inverters.

Performance Monitoring
Remote monitoring and data analysis to detect performance drops early.

Cleaning Services
Professional solar panel cleaning for optimal efficiency.

Reactive Maintenance
Fast response to faults, inverter failures, or damage.

Reporting & Compliance
Annual performance report and recommendations for improvement.

Warranty Support
Liaison with manufacturers for warranty claims and parts replacement.

Our Maintenance Services

At ZLC Energy, we believe that the value of a renewable energy system extends far beyond its installation. Our comprehensive maintenance and aftercare services are designed to maximise the efficiency, reliability, and lifespan of your solar PV, heat pump, and battery storage systems. Whether you’re managing a single property or a diverse portfolio, our expert team provides proactive support to keep your systems operating at peak performance.

Solar PV
Maintenance

Remote Monitoring & Diagnostics: We continuously monitor your solar PV systems to detect and address any performance issues promptly, ensuring minimal downtime.

Annual On-Site Inspections: Our engineers conduct thorough annual inspections, including electrical testing and visual assessments, to maintain system integrity.

Performance Reporting: Receive detailed annual reports that analyse system performance, energy yield, and any identified issues, helping you make informed decisions.

Heat Pump
Maintenance

Scheduled Maintenance: Regular servicing to ensure optimal heating performance, extending the lifespan of your heat pump systems.

System Optimisation: We fine-tune system settings to enhance efficiency and comfort, adapting to seasonal changes and usage patterns.

Troubleshooting & Repairs: Prompt response to any operational issues, with a focus on restoring comfort with minimal disruption.

Battery Storage
Maintenance

Capacity Monitoring: Regular checks to ensure your battery storage systems are operating within optimal parameters.

Firmware Updates: Keeping your systems updated with the latest software to enhance performance and security.

End-of-Life Management: Planning for battery replacement or recycling, ensuring compliance with environmental standards.

Why leading clients choose us

Personal service

We pride ourselves on being approachable, responsive, and easy to work with.
Every client has a dedicated point of contact, clear communication, and support at every stage, from first consultation to ongoing system monitoring.

Knowledge & Expertise

With over 15 years of experience in renewable energy, our team brings deep technical expertise. As accredited installers and innovators in solar, battery storage, and EV infrastructure, we know how to create reliable systems tailored to your sector and specific site.

Passion & detail

At ZLC Energy, we care deeply about getting every project right. From the initial site survey to the final handover, we bring precision, attention to detail, and genuine passion for renewable energy, ensuring systems that perform efficiently for years to come.

Value for money

We design commercial renewable energy solutions that deliver maximum long-term savings. By combining efficient technologies with smart design, we help businesses cut energy costs and achieve strong returns on investment, without unnecessary extras.

What our customers say

“ZLC Energy were amazingly efficient. They undertook considerable works without any disruption to the business at one of our busiest times. Mark, MD of ZLC Energy, coordinated everything with us from start to finish. I’d happily recommend them as a company to work with.”

Alan Murdoch

Director, Fermoys Garden Centre

FAQS

1. What maintenance is required for commercial solar panels?

Most systems should be inspected at least once per year. This includes electrical checks, cleaning, and performance testing. Contact us to learn more about our maintenance packages.

2. Can ZLC Energy maintain a system installed by another company?

Yes. Our team can assess and take over the maintenance of any commercial renewable system, regardless of installer.

3. How often should panels be cleaned?

Typically once or twice per year, depending on location and pollution levels. Clean panels can improve performance by up to 10%.

4. What happens if my system underperforms?

We use remote monitoring to identify performance drops and will send an engineer to resolve any issues quickly.

5. Do you offer maintenance for battery storage and heat pumps too?

Yes, we maintain a range of renewable technologies, not just solar.

Accreditations

Featured projects

David Salisbury Conservatories

ZLC Energy designed and installed 150kW Solar PV at the factor to reduce carbon and provide optimum return on investment.

  • System Size: 150 kWp
  • Annual ROI: 22%
  • Payback: 5 yers
  • Carbon Reduction: 90,000 kg/year
View Project
Solar Panels on Cornish granite building

Bosinver Farm Cottages and Swimming Pool

We delivered a ground mounted Solar PV installation in a field adjacent to the holiday cottages. Value engineering of the design meant we were able to get more out of the same space, for less cost.

  • System size: 52kWp
  • Annual ROI: 21%
  • Energy Generation: 42,620kWh/year
View Project

St Austell Brewery

Tailored solar PV solutions designed for different energy needs across breweries, distribution centres, and hotels, with a long-term relationship built on trust.

  • System Size: 600 kWp
  • Payback: 4 to 6 years
  • Annual ROI: 20%
View Project

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