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Solar Panel Cleaning Services

Dirty panels can reduce your energy output by up to 25%. Our trained technicians restore full performance fast.

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Solar Panel Cleaning Services

If your solar panels aren’t producing the energy you expected, the culprit might not be your system; it might be what’s sitting on top of it. Dust, pollen, bird droppings, and airborne pollution quietly accumulate on panel surfaces month after month, blocking the sunlight your system needs to do its job. Most homeowners and property managers don’t notice until they compare their utility bills to what they projected when they went solar. By then, the loss has already been happening for a while.

According to NREL’s industry-standard research on photovoltaic performance, the efficiency reduction caused by dirt and debris on solar panels typically runs around 5%. Still, it can climb as high as 25% depending on your local environment, panel tilt, bird activity, and how long it’s been since your last cleaning. That range matters. A 5% loss on a 10kW system is money leaving your pocket every single month. A 20% loss is a significant portion of your solar investment working against you. The good news is that it’s also one of the most preventable forms of solar panel output loss, and one of the most cost-effective to fix.

This is true whether you have panels on a residential rooftop, a commercial building, or a ground-mounted solar field. The physics don’t change based on who owns the property. Dirty solar panels underperform, and professional cleaning is the most reliable way to get them back to where they should be. Ned’s brings our 60-year track record in exterior home and property services to solar panel cleaning services; the same trained technicians, the same 100% satisfaction guarantee, and the same commitment to doing the job right.

 

SOLAR CLEANING SOLUTIONS

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For Homeowners

  • Restore lost energy output and lower your monthly electric bill
  • Safe soft-wash cleaning that does not void your panel warranty
  • No need to be home during service
  • Flexible scheduling including same-day availability
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For Businesses

  • Maximize ROI across your full commercial solar array
  • Scheduled maintenance programs available
  • Service documentation and reports provided after each visit
  • Volume pricing available for large installations

How It Works

1

Get a Free Quote

Enter your zip code. A rep contacts you within 30 minutes with pricing for your property.

2

Schedule Your Service

Pick a date that works for you. Same-day availability in most service areas.

3

We Do the Work

Our trained technicians use a soft-wash method that is safe for all panel types and manufacturer warranties.

4

See the Results.

You receive a service summary after completion and can monitor your energy output improvement on your next bill.

Why Ned Stevens

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60+ Years of Exterior Home Services

We have been protecting homes and businesses since 1965.

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Fully Insured Technicians

Every job is covered. You are never liable for accidents on your property.

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Soft-Wash Method

Our process is safe for all panel types and does not void manufacturer warranties.

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Available in 20+ States

One company, consistent service standards, wherever you are.

100% Satisfaction Guarantee

If you are not happy, we make it right.

Free Inspection With Every Cleaning

We check for damage or issues and report back to you at no extra charge.

Pricing

residential home roof with asphalt shingles and solar panels

Residential pricing starting at:

$XX.XX

  • Panels up to [X] count
  • Soft-wash method
  • Free inspection included
  • Service summary provided
commercial building with solar panels on roof

Commercial pricing starting at:

$XX.XX

  • Custom pricing based on array size
  • Scheduled maintenance programs available
  • Volume discounts available
  • Service documentation included

Pricing varies by system size and location. Enter your zip code above for an exact quote in 30 minutes.

Before & After

Most customers see measurable energy output improvement within their first billing cycle after a professional cleaning.

Ready to Get More From Your Solar Panels?

Get a free quote in under 2 minutes.

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Who We Serve

Ned’s provides professional solar panel cleaning services for residential, commercial, and ground-mounted installations. Whatever your setup, our trained technicians have the equipment and experience to handle it safely and effectively.

Residential Homeowners

You made a significant investment when you went solar. Whether you have a small rooftop array or a larger system covering most of your roof, Ned’s Home’s residential solar panel cleaning service helps protect that investment so your system can deliver the output you were promised. Our technicians work safely on residential rooftops and treat your property with the same care we’ve brought to gutter cleaning, window cleaning, and exterior services for over six decades.

Commercial Property Owners and Facility Managers

A commercial solar array represents a larger capital investment and a bigger efficiency risk when panels are dirty. Facility managers need a service provider who can work around business operations, carry proper insurance, and deliver consistent results across a larger surface area. Ned’s serves commercial properties with the same professional standards we apply to all commercial exterior services. Our technicians are fully insured and trained in-house. We don’t believe in subcontracting.

Ground-Mounted Solar Field Operators

Ground-mounted arrays face some of the heaviest soiling loads of any installation type. Positioned at lower heights, they’re exposed to more road dust, agricultural particulates, and ground-level debris than rooftop systems. Our ground-mounted solar cleaning service addresses the specific challenges of larger, field-level arrays for agricultural installations and utility-adjacent operations.

Why Dirty Solar Panels Are Costing You Money

Solar panels work by allowing sunlight to pass through a glass surface and reach the photovoltaic cells underneath. Those cells convert light into electricity. When a layer of dust, pollen, environmental pollution, or bird droppings on solar panels coats that glass, less light makes it through, and your system produces less power. It’s that direct.

What makes this problem easy to underestimate is how gradually it builds. A single dusty day doesn’t drop your output noticeably. But weeks of pollen season, a few months of bird activity, or one dry summer without significant rainfall can compound into a meaningful solar power efficiency gap. And rain, as helpful as it seems, is not a reliable cleaning solution. Rainfall washes away loose surface dust, but it also leaves behind mineral deposits as the water evaporates. Stuck-on debris like bird droppings, tree sap, and compacted particulate matter doesn’t come off in a rainstorm. Over time, these materials can even etch into the glass coating if left too long.

The result is solar panel performance degradation that grows slowly and silently. By the time it shows up clearly in your energy data, you’ve likely been losing efficiency for months. Regular professional solar panel cleaning stops that cycle and keeps your system operating closer to its rated output.

Ned's Solar Panel Cleaning Process

We approach solar panel maintenance the same way we approach every exterior service: with a defined process, trained technicians, and attention to the details that protect both your panels and your property.

Soft Wash and Low-Pressure Rinse

We approach solar panel maintenance the same way we approach every exterior service: with a defined process, trained technicians, and attention to the details that protect both your panels and your property.

Deionized Water Solar Panel Cleaning

We approach solar panel maintenance the same way we approach every exterior service: with a defined process, trained technicians, and attention to the details that protect both your panels and your property.

yellow gloved worker's hands on solar panels

Is DIY Solar Panel Cleaning Worth the Risk?

A lot of solar panel owners try cleaning their panels themselves at least once. It makes sense. The panels are right there, a garden hose seems like enough, and there are plenty of online guides that make it look simple. Here’s what those guides typically leave out.

  • Warranty risk. Many solar panel manufacturers specify in their warranty terms that cleaning must be performed with certain methods and water types. Using incorrect pressure, abrasive materials, or chemically treated cleaning solutions can void your equipment warranty. Solar panel warranties are part of what makes the investment worthwhile. A professional cleaning service that uses proper methods protects that coverage.

  • Water spotting from mineral deposits. Using tap water to clean solar panels often makes the situation worse over time. Mineral-laden water leaves deposits that partially obscure the glass even after the visible dirt is gone. The panels may look cleaner but still underperform.

  • Working at height. Residential rooftop solar cleaning is a fall risk, full stop. Ned’s technicians are trained for rooftop work, carry full workers’ compensation and liability insurance, and use proper equipment. The time and physical risk of a DIY rooftop cleaning, especially on a wet or steep surface, isn’t worth it.

  • Incomplete results. Without the right equipment, most DIY cleanings remove surface dust and debris on solar panels but leave behind the stuck-on soiling. Bird droppings, mineral deposits, and compacted debris account for the majority of efficiency loss. You spend the time and take the risk without fully solving the problem.

The practical reality is that professional solar panel cleaning costs a fraction of what you lose in efficiency over a year of underperformance.

How Often Should Solar Panels Be Cleaned?

The right cleaning frequency depends on several variables specific to your property and location. In most climates, one to two professional cleanings per year is a reasonable baseline for residential rooftop systems. That schedule keeps soiling from compounding while remaining cost-effective compared to the energy value at stake. But several factors can push that number higher:

  • Dusty or arid environments accumulate soiling much faster than humid, rainy regions. Properties near construction zones, unpaved roads, or agricultural operations may need quarterly cleaning.

  • High bird activity is one of the most aggressive soiling factors. Bird droppings reduce output and can cause localized hotspots on panels if left in place, which accelerates wear on individual cells. If your panels see consistent bird traffic, cleaning frequency should reflect that.

  • High-pollen environments, especially in spring, can coat panels quickly in regions with heavy tree canopy or agricultural pollination.

  • Panel tilt angle affects how much natural rain runoff does for you. Steeply angled panels shed more debris naturally; flatter installations accumulate soiling faster and benefit more from regular cleaning.

  • Commercial and ground-mounted systems need more frequent service than residential rooftop arrays due to greater exposure and higher stakes on output.

The practical reality is that professional solar panel cleaning costs a fraction of what you lose in efficiency over a year of underperformance.

Maximize Solar Efficiency & Protect Your Investment

Solar panels are a long-term asset; most systems are warrantied for 25–30 years. Getting the most out of that investment is about keeping the system performing the way it was meant to perform, year after year.

Efficiency Loss Is Cumulative

Dust, pollen, bird droppings, and mineral deposits don’t just make panels look dirty, they reduce how much light reaches the cells. A conservative 10% efficiency loss on a 10kW residential system means 1,200–1,400 fewer kWh generated per year. That gap compounds over time. A system that runs below capacity for years isn’t just losing output — it’s delivering less of the return your original investment was built on.

Cleaning Protects the Asset

Professional cleaning done right, with soft brushes, no pressure, and purified water, removes soiling without scratching the glass, stressing seals, or leaving mineral deposits behind. That matters for a panel you’re counting on to perform for three decades. Abrasive methods or hard water residue can cause cumulative surface damage that no cleaning can undo.

The Professional Difference

Ned’s multi-stage reverse osmosis and deionization system delivers 0 TDS water, meaning no minerals, no chemicals, and no residue; just panels that are genuinely clean and able to operate at full capacity. It’s the same standard used by utility-scale solar operations, applied to residential and commercial systems across our service area. For commercial arrays, the efficiency and protection case is even stronger. A 100kW system losing 10% efficiency is leaving behind significant energy value every month, and that loss compounds across a multi-decade asset life.

 

The bottom line: Regular professional cleaning isn’t a maintenance expense. It’s how you protect a 30-year investment and make sure it delivers what it promised.

Frequently Asked Questions

Solar panel being cleaned

How often should solar panels be cleaned?

In most climates, one to two professional cleanings per year is a reasonable baseline for residential rooftop systems. Properties near construction, unpaved roads, or agricultural operations may need quarterly cleaning. High bird activity, heavy pollen seasons, and flatter panel angles all increase how often cleaning is needed. Commercial and ground-mounted systems typically need more frequent service.

Does cleaning solar panels actually improve energy output?

Yes. Dirt, dust, pollen, and bird droppings block sunlight from reaching the cells that generate power. Research from NREL shows average soiling losses of around 5% annually, with higher losses in dusty or dry environments. Removing that buildup lets panels operate closer to their rated output.

Can I clean my own solar panels?

DIY cleaning carries real risks. Tap water leaves mineral deposits that keep blocking light even after the dirt is gone. High-pressure rinsing can scratch the glass or damage panel seals. Rooftop work is a fall risk, especially on a wet or steep surface. Many manufacturers also specify that improper cleaning methods void your equipment warranty. Professional cleaning avoids all of these problems.

How much does solar panel cleaning cost?

Pricing for professional residential solar panel cleaning varies based on system size, panel accessibility, and level of buildup. We provide custom quotes to ensure accurate pricing for each home.

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