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The industry has a term for the effect soiling has on a system, and it is worth knowing because it turns a vague worry into a number. The soiling ratio compares what an array actually produces against what an identical clean array would produce under the same conditions. A ratio of one means no loss; anything below it is the proportion being given away. Large installations sometimes measure it directly, using a pair of reference cells — one kept clean, one left to foul — and comparing their output continuously. Most systems have no such equipment, but the same figure can be approximated from ordinary monitoring. Compare output for a given period against the equivalent period in earlier years, adjust for irradiance where the data allows, and the gap that recovers after a clean is the soiling loss. That last part is the important one. Soiling is the only component of underperformance that comes back when the glass is cleaned, so a clean is not merely a remedy — it is the measurement. Carrying it out is straightforward. Purified water, filtered and passed through deionising resin until it carries effectively no dissolved solids, is applied at low pressure through a soft filament brush on a telescopic pole. Bonded material is wetted and given time to soften, the frame line and lower edges are cleared specifically, and the glass is rinsed and left to dry clear. Owners in Stetchworth with monitoring can establish their own soiling figure over one cycle of solar panel cleaning without any special equipment at all, provided the comparison is made against the same period in earlier years.
A contractor willing to be measured is a different proposition from one asking to be believed, and the distinction is easy to test. Where a system has monitoring, the sensible advice is to note the figures before the visit and compare the following weeks against the equivalent period in previous years rather than against the week before — weather makes short comparisons meaningless. Where there is no monitoring, photographs taken close enough to show the frame line and lower edges do the equivalent job visually. What is not offered is a percentage quoted in advance. Soiling losses vary enormously with pitch, exposure, orientation and how long an array has been left, and any specific figure given before somebody has seen the glass is invention. The work behind it is fixed. Purified water produced through filtration and deionising resin, never taken from a tap. Soft filament brush heads with cushioned bumpers. Low pressure throughout, with nothing directed at frame seals, flashings, drainage openings or junction boxes. No operative putting weight on a module at any point, since the resulting microcracking is permanent and never becomes visible. Full coverage of every panel including the frame line and lower edges. Public liability insurance and a risk assessment matched to the actual height and configuration sit behind every visit, and work is rescheduled rather than forced when conditions make a long pole unsafe. Householders in Stetchworth comparing solar panel cleaning services should favour whoever invites the comparison. A firm confident in its method has nothing to lose by being checked against somebody else’s figures.
Knowing a system’s own soiling figure is what turns cleaning from a guess into a calculation, and after one cycle most owners can work out whether their interval is right. The arithmetic is simple. Take the annual generation, apply the measured soiling loss, and value the shortfall at whatever the electricity is worth — the price of imported units where generation is consumed on site, or the export rate where it is not. Set that against the cost of a visit and the answer is usually obvious. The visit itself is priced from module count, charged per panel with the rate improving as arrays grow. Travel, unloading, assembling poles and producing purified water are fixed costs incurred once regardless of how much glass follows them, so that portion spreads further across a larger system — which is also why a minimum charge applies and why a very small array never costs proportionally little. Reach adjusts it next, with firm level standing and clear room to extend a pole costing least, and unusual height, restricted ground or a genuine requirement for hired access equipment costing more and stated separately. Condition supplies the third input, since consolidated film and established growth come away with dwell time and repeated gentle passes rather than force. Assessments for properties in Stetchworth are free and carry no obligation, the resulting quote holds on the day, and repeat bookings sit below one-off rates. The price covers the complete array including frames and lower edges, purified water throughout and photographs afterwards, which together form the record the comparison relies on.
Remove years of dirt, grime, algae and staining for a cleaner, fresher finish.
Professional techniques designed to protect your surfaces while delivering outstanding results.
Keep your property looking its best with regular solar panel cleaning.
Professional solar panel cleaning in Stetchworth offers a simple and effective way to maintain the cleanliness, appearance and performance of your solar panels. Over time, dirt, dust, bird droppings, pollen, leaves, algae and other environmental debris can accumulate across the surface of solar panels, leaving them looking dirty and potentially reducing the amount of sunlight reaching the panels. Regular solar panel cleaning helps remove this unwanted build-up, keeping the panels cleaner and allowing them to receive as much available sunlight as possible. Keeping solar panels clean can also support ongoing maintenance by making it easier to identify visible issues, damage or areas that may require further attention. Professionally cleaned solar panels can improve the overall appearance of your property while helping you get the most from your solar installation. Using suitable cleaning methods and equipment for solar panel surfaces is important to achieve effective results while reducing the risk of scratching, marking or damaging the panels. Whether your solar panels have accumulated bird mess, dust, dirt, pollen, algae or general environmental grime, professional solar panel cleaning in Stetchworth can help keep them cleaner, clearer and better maintained throughout the year.
Commercial installations are where soiling ratio measurement is genuinely practical, and on larger sites it is worth setting up. A pair of reference cells — one cleaned regularly, one left to foul at the site’s own rate — gives a continuous reading of exactly what is being lost, and the interval can then be set from a live figure rather than from a rule of thumb. Where that equipment is not present, the same conclusion is reached over time. Pro Clean Xtreme records dated photographs and a written completion note at every attendance, and comparing generation either side of each visit, normalised against irradiance, builds a picture of the fouling rate across successive cycles. Delivery is surveyed and documented in advance. Module count, mounting arrangement, structural condition and fragility, edge protection and the safest route to every row are established, producing a site-specific risk assessment and method statement agreed with the responsible person before dates are confirmed. Ground-level pole work is used where reach permits, with mobile elevating work platforms or rope access where it does not and operatives qualified for the method. Purified water is supplied from tanks brought to site, applied at low pressure through soft brushes, with frames and lower edges cleaned alongside the glass and no chemicals entering drainage. Attendance is arranged around the operation, including weekends and out-of-hours. Operators around Stetchworth running commercial solar panel cleaning to a measured soiling figure generally end up cleaning less often than they expected, and to considerably better effect, because the visits that do happen are timed rather than guessed at.
Founded in 2016 by Karl Crofts, Pro Clean Xtreme has grown from a dedicated one-man operation into a trusted family-run team. Joined by his wife Lindsay and family members Callum and Rachel, we pride ourselves on delivering professional, safety-first cleaning. By combining honest communication with continuous investment in the industry’s best low-pressure steam equipment and safe access systems, we deliver exceptional results for every residential, commercial, and industrial client.
Founded by Karl Crofts, delivering reliable local service for over a decade.
Our own tracked cherry picker provides safe access without walking on tiles.
Safe low-pressure steam cleaning, softwashing, and specialist pre-solar preparation.
Ten years of trusted, family-run service delivering high-quality workmanship on every project.
As a family-run business established in 2016, we have developed a trusted reputation across Stetchworth for reliable, professional solar panel cleaning. We combine years of experience with specialist cleaning equipment and careful working practices to provide a thorough service for residential and commercial solar installations. Our approach is straightforward and transparent, with every job completed with attention to detail and the condition of the panels in mind. From removing built-up dirt and bird deposits to clearing pollen, dust and other surface debris, we work carefully to leave solar panels clean and clear. Fully insured and committed to high standards of workmanship, we provide a dependable solar panel cleaning service from initial assessment through to completion.
We take immense pride in the reputation we have built across Cambridgeshire and the surrounding areas since 2016. As a family-run business, delivering exceptional customer service, honest communication, and high-quality workmanship is at the heart of everything we do. Read through our latest Google reviews to see why residential homeowners, housing associations, and commercial contractors consistently trust Pro Clean Xtreme to safely protect and restore their properties.
Here are the answers to some of the most frequently asked questions about our solar panel cleaning services. If you have a question about your solar panels, a specific cleaning requirement, or need further information about our service, please get in touch with our experienced team. We are always happy to provide advice and help you find the right solution for keeping your solar panels clean and well maintained.
The ideal frequency depends on your location, surroundings and how quickly dirt and debris build up. For many properties, an annual clean can help keep panels clear and well maintained.
Yes, keeping panels free from dirt, bird droppings, dust, pollen and other debris allows more sunlight to reach the surface. Cleaning can therefore help your panels operate as efficiently as possible.
Solar panels can collect bird droppings, dust, pollen, leaves, algae, grime and other environmental debris. These deposits can build up over time and affect the cleanliness of the panel surface.
Yes. Professional solar panel cleaning can be carried out on a wide range of domestic and commercial properties, subject to suitable access and safe working conditions.
Professional solar panel cleaning should be carried out using appropriate equipment and techniques designed for solar panel surfaces. Careful cleaning helps remove deposits without unnecessarily damaging or scratching the panels.
Rain can wash away some loose dirt, but it does not necessarily remove stubborn bird droppings, pollen, grime and other deposits. Regular professional cleaning can provide a more thorough clean than rainfall alone.
Yes, we provide professional solar panel cleaning in Stetchworth, helping domestic and commercial customers keep their solar panels clean, clear and properly maintained.
Getting an initial estimate for your property is completely effortless. Simply fill out the form below with your full property address, and our family-run team will utilise Google Earth before providing a quotation. Whether you are a homeowner, a housing association, or an installation company preparing a site, let us know your specific requirements and we will get back to you promptly with an initial assessment.
