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Fast, Reliable Solar Panel Cleaning Across Winters
Solar panel cleaning in Winters typically runs between $150 and $350 for a standard rooftop residential array, and most jobs are completed in under two hours. The real question isn’t whether cleaning matters here, it’s when to schedule it around the fog and harvest cycles. Winters sits in a dusty agricultural pocket of Yolo County where tule fog settles from December through February and almond and olive harvests throw fine particulate into the air from late summer through fall. Our Solar Panel Cleaning team knows exactly when those events hit your panels hardest, and we’re on the road to Winters the same day you call. Reach us at (877) 550-6892 for a straight answer and a free estimate.
Why Gus’s Solar Is Winters’s Preferred Solar Panel Cleaning Company
Gus Petrakis put his name on this company in 2011, and that name has followed him into every farm driveway and downtown Craftsman home in the 95694 zip. Winters homeowners don’t want a rotating cast of subcontractors on their roof. They want the same face, the same truck, and the same crew who remembers that the array near the old railroad corridor runs a little hot on the west edge. That’s what we provide. Gus answers his own phone, and when you call about a film of olive dust on your panels, he’s the one who schedules Solar Panel Maintenance & Monitoring - Winters and often the one who shows up.
Our customers in Winters tell us the same thing repeatedly: they called a big out-of-town outfit first, got a voicemail, and never heard back. Then they called us and got a live person at 10 p.m. on a Sunday. That matters when your production monitor shows a 9% drop and you’re trying to figure out whether to wait through fog season or clean now. We’ve earned a strong local reputation across Winters by showing up on time, leaving the job done right, and never asking you to sign anything before you’ve had two weeks to think about it. Every job is backed by the 90-Day Done Right Promise: if it’s not right, Gus makes it right, in writing.
Our Solar Panel Cleaning Services in Winters
Residential Panel Cleaning
Rooftop arrays on Winters’s mix of Victorian, Craftsman, and mid-century ranch homes collect a specific kind of grime: tule fog residue baked on by 100-degree summer afternoons, then layered over with harvest dust. We use deionized water and soft squeegee passes, never abrasive brushes, because Winters’s hard municipal water can leave mineral spotting that becomes a magnet for more dust. A standard 20- to 30-panel rooftop system here runs $180 to $300 and takes under two hours.

Commercial Array Cleaning
Commercial Solar Installation - Winters often involves ground-mount or pole-mount arrays on multi-acre parcels, and those need a different approach than a downtown rooftop. We schedule commercial cleaning around the fall harvest window, because almond and olive dust settles thickest right after shaking and sweeping operations. A commercial array in the 95694 zip typically runs $400 to $900 depending on panel count and accessibility, and we work around your irrigation and harvest schedules, not the other way around.

Bird & Critter Guard Installation
Ground-mount arrays near vineyard and orchard edges in Winters attract pigeons and squirrels looking for shade and nesting space under the panels. We’ve seen chewed inverter wiring and rapid shutdown faults on rural properties that could have been avoided with simple wire mesh guards installed during a cleaning visit. We inspect the perimeter of every rural array we clean in Winters and can install guards the same day. Guard installation typically adds $200 to $400 to a cleaning visit depending on array perimeter length.

Debris & Soiling Removal
Post-storm and post-harvest debris removal is a recurring need in Winters, where fall winds push orchard litter and dust across panels and winter fog leaves a fine film that hardens as temperatures rise. We remove leaf litter, bird droppings, caked dust, and the fog-and-dust crust that builds from December onward. Debris removal runs $120 to $220 for a standard residential array, and we’ll tell you honestly whether a full deionized wash is needed or just a targeted pass.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Winters
We clean and maintain every major residential and farm array brand installed across Yolo County, including systems built on Panasonic, Canadian Solar, and JinkoSolar modules. Winters homeowners with FranklinWH battery storage often ask whether cleaning affects battery charging, and the answer is yes: panels that run dirty charge batteries slower, especially during short winter days. We know the manufacturer specifications for each brand we service, and we carry the right cleaning agents and tools to avoid voiding any panel warranty. If you have a mixed-brand system or an older array, call us and we’ll confirm coverage before we arrive.
Common Solar Panel Cleaning Problems We See in Winters Homes
- Tule fog and orchard dust crust. From December through February, dense valley fog deposits fine particulate and moisture on panel glass. Then almond and olive harvest dust settles on top and bakes in during the first hot spring days. Together they form a crust that a garden hose won’t remove. This is the most common problem we see across Winters, and it’s why we recommend a deionized-water wash rather than tap water, which leaves mineral spotting from the local hard supply.
- Production drops right when net metering credits are thinnest. Winter is when panels matter most for offsetting shorter days and fog-suppressed production. Leaving panels dirty through tule fog season can cut winter output by double digits. Your PG&E true-up statement reflects that loss directly. We schedule Winters cleanings in late fall and again in late winter for customers who want to protect their credits.
- Bird and squirrel damage on rural ground-mount arrays. Properties along vineyard and orchard edges see pigeons nesting under panels and squirrels chewing through inverter communication wires. This trips rapid shutdown faults and leaves the array offline until a technician diagnoses it. We inspect for nests and wire damage on every rural Winters cleaning visit.
- Hard water spotting from DIY or low-cost cleaning attempts. Winters’s municipal supply is hard, and spraying panels with untreated tap water near orchard dust leaves mineral residue that becomes a grime magnet. Output falls faster after a bad tap-water wash than it would have from dust alone. We use deionized water specifically to avoid this.
Key Takeaways: Clean before fog season and after fall harvest. Use deionized water, never hard tap water. Check bird guards on rural ground-mounts. Dirty panels in winter cost you net metering credits. Gus’s Solar answers 24/7 at (877) 550-6892.
Pricing for Solar Panel Cleaning in Winters, CA
| Service | Typical Range in Winters |
|---|---|
| Residential rooftop cleaning (20-30 panels) | $180 - $300 |
| Debris removal only | $120 - $220 |
| Commercial or farm array cleaning | $400 - $900 |
| Bird and critter guard installation | $200 - $400 |
| Quarterly scheduled cleaning plan (per visit) | $150 - $250 |
What moves the price in Winters: panel count, roof pitch, whether you’re off Main Street with tight parking or out on a rural parcel with ground-mount access, and how long it’s been since the last cleaning. A heavily crusted array takes longer than one cleaned six months ago. We quote upfront, the number we give you is the number you pay, and we never ask for a signature tonight. Estimates are free. Call (877) 550-6892 and we’ll give you a real number for your specific array.
We Also Serve Cities Near Winters
We serve the full loop around Winters: Solar Panel Cleaning in Winters, plus Vacaville, Dixon, Davis, and Woodland. If you’re on the edge of the 95694 zip or just outside town, call us anyway. Our scheduling team can tell you over the phone whether we cover your road, and there’s no trip charge inside our own county. Dispatch and scheduling are coordinated from our Sacramento office, but the crew that shows up at your door is the same crew that cleans your neighbor’s array down the road.
Serving Winters, CA - Our Local Coverage Area
We’re based in the Winters area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Solar Panel Cleaning in Winters
Twice a year is the realistic minimum in Winters, and three times is better if you’re near active orchards. Clean once in late October or early November, after the almond and olive harvest settles, and once again in late February or March as tule fog season ends. If your property sits directly adjacent to a working orchard, add a third visit in August before harvest begins. Call (877) 550-6892 and we’ll look at your production history and property position to recommend a schedule.
Yes, it does. The Sacramento Valley floor around Winters regularly sees 30 to 40 fog days between December and February, and fog suppresses direct irradiance substantially. A dirty panel through fog season compounds the problem: you lose production from the fog itself, then lose another layer to the film fog leaves on the glass. We’ve monitored arrays in Winters that dropped 8 to 10 percent from soiling alone in October, before fog even arrived. That hits your PG&E net metering credits exactly when you need them most. Call (877) 550-6892 for a production assessment.
It can, if the cleaning method is wrong. Dry brushing or wiping panels with a dry cloth drags abrasive almond and olive dust across the glass and leaves micro-scratches that permanently reduce light transmission. That’s why we wet panels thoroughly with deionized water before any physical contact, and why we use soft rubber squeegees rather than brushes. Scratched panels can’t be repaired; they need our Solar Panel Repair in Winters, so the cleaning method matters. Our crew follows manufacturer guidelines for every brand we service, including Panasonic and Canadian Solar.
Yes, and sooner rather than later. Ground-mount arrays near vineyard and orchard edges in the 95694 zip are prime nesting spots for pigeons and squirrels, and the damage they cause to wiring under panels is expensive to repair. A wire mesh guard installed along the array perimeter costs $200 to $400 and prevents nesting and wiring damage entirely. We can install guards during a cleaning visit or as a standalone service. Call (877) 550-6892 and we’ll inspect your array perimeter before recommending anything.
Directly. Net metering credits are calculated from your actual production, and a dirty array underperforms its model. If your system was sized to offset 90 percent of your annual usage, a 10 percent soiling loss through fog and harvest season pushes your true-up charge up and extends your payback period. We cleaned a 10.4 kW rooftop array on a Craftsman home off Main Street in Winters last October. The homeowner’s Enphase microinverters showed a 9 percent production drop. After a deionized wash and squeegee pass, inverter-level output snapped back to within 2 percent of the original model. That’s real money on a true-up statement. Call (877) 550-6892 and we’ll run the same math on your array.
Get Your Winters Solar Panels Cleaned by the People Who Know This Town
The fog, the orchards, the old homes downtown, the ground-mounts on the rural edges: that’s Winters, and it’s why panel cleaning here isn’t a generic service call. It takes someone who knows that October olive dust is different from February fog film, and that a Craftsman roof off Main Street needs a different approach than a pole-mount in a vineyard block. Gus Petrakis founded this company to be that someone: local, reachable, and accountable. When you call, a live person answers, 24 hours a day, 7 days a week. The price we quote is the price you pay, and the work is guaranteed in writing under the 90-Day Done Right Promise. Call (877) 550-6892 today for a free estimate and a straight answer about your array.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Winters with local, owner-operated solar care since 2011.






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