
Commercial Solar Panel Cleaning, Servicing & Maintenance in Great Dunmow, Essex
Every commercial solar array deserves expert care to protect its value. Oltec Services specialises in solar panel cleaning, servicing and maintenance for businesses across Great Dunmow, Essex, from single site inspections to fully scheduled O&M contracts. Our skilled engineers use Tier 1 components and industry best practice to correct faults quickly, minimise downtime and keep your solar PV investment performing at its best.
☎️ 0800 038 9786
✉️ info@oltecgroup.co.uk
✔ Established 40+ years ✔ Fully accredited
✔ Nationwide coverage ✔ 24/7 emergency support

Commercial Solar Maintenance Services
Designed to endure decades of exposure to the elements, solar PV systems generally need minimal upkeep thanks to their lack of moving parts. However, when damage or faults do occur, prompt action is essential. Oltec delivers expert Operations and Maintenance services throughout Great Dunmow, Essex, drawing on years of hands on experience to diagnose issues, source industry-leading replacement components and restore your commercial array to full efficiency, protecting the long-term ROI of your investment.
Solar PV Operations and Maintenance Contracts
Whatever the scale of your solar PV installation, The Oltec Group delivers Operations and Maintenance services suited to your requirements across Great Dunmow, Essex. Available as single visits or scheduled contracts, our support covers commercial, agricultural and campus clients, including factories, warehouses, offices, farms and schools. This flexibility allows businesses to maintain their solar arrays proactively, reducing the likelihood of unexpected faults while ensuring consistent, reliable energy generation throughout the year.


Solar PV Preventative Maintenance and Annual Inspections
A proactive inspection regime is essential to long-term solar performance. The Oltec Group delivers detailed annual assessments across Great Dunmow, Essex, using drone and first person surveys to check panel condition, inverter function, AC voltage and DC junction box integrity. On the occasions when storms or fallen trees cause physical damage, our engineers respond promptly with expert repairs, from individual panel replacement to full inverter replacement, always using components from trusted Tier 1 manufacturers.
Commercial Solar Panel Cleaning Service
Roof and ground mounted PV systems across Great Dunmow, Essex are constantly exposed to elements that reduce efficiency, including dust clouds, urban pollution, bird droppings and seasonal leaf fall. The Oltec Group provides expert commercial solar panel cleaning to remove these deposits, restoring cells to function closer to their projected performance levels. Left untreated, residue such as uric acid or decomposed leaves can contribute to module degradation, making regular cleaning a vital part of ongoing system care.


