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If the pitch starts at your door and ends with "sign tonight for the special," sleep on it. The sun will still be there tomorrow; so will we.
Fast, Reliable Solar Panel Cleaning Across San Pedro
Solar panel cleaning in San Pedro typically runs $150 to $350 for a standard residential array, and most jobs are finished in under two hours. The reason this city’s panels need more attention than almost anywhere else in the South Bay comes down to one thing: you live at the mouth of one of the busiest container ports on earth. Salt spray off the Pacific mixes with diesel exhaust from the Port of Los Angeles and settles on your glass as a grimy, baked-on film that a garden hose simply won’t touch. Gus Petrakis and his crew have been cleaning panels in this exact environment since 2011, and we know which streets catch the worst of it. Call (877) 550-6892 and a live person answers, day or night.
Why Gus’s Solar Is San Pedro’s Preferred Solar Panel Cleaning Company
Most solar cleaning outfits treat your panels like any other job. We don’t, because a system on Paseo del Mar faces a completely different soiling problem than one on Gaffey Street. The western bluff streets near Point Fermin get hammered with direct ocean wind and gull traffic. The flats near 25th Street get port haze and diesel soot that drifts over from the container terminals. Neither one is like Torrance, and we clean accordingly.
Gus’s Solar is owned by Gus Petrakis, not a franchise or an out-of-state call center. His name is on the truck, his license number is published, and the crew that shows up in San Pedro is his own: background-checked, uniformed, and trained on coastal array cleaning. That matters when someone is on your 1930s Craftsman roof with a soft brush and deionized water. We know what those older rafter systems can handle.
San Pedro customers get the same response time we give our own neighbors. Schedule a cleaning and we’re typically there within a few days, faster if you’re losing output and need us sooner. And every job carries the 90-Day Done Right Promise in writing. If it’s not done right, one call brings Gus back.
Our Solar Panel Cleaning Services in San Pedro
Every array in San Pedro fights a different mix of salt, soot, and bird droppings depending on where your house sits. These are the cleaning jobs we handle most often here, and each one starts with a free estimate and no pressure to sign anything that day. Bring us a bill, we’ll bring you the math. Take two weeks to think about it. The price will be the same.
Residential Panel Cleaning
Most homes in San Pedro have 15 to 30 panels, and we clean them with soft-brush, low-pressure deionized water that pulls mineral salts off the glass without scratching the anti-reflective coating. This is not a rinse job. The harbor film that builds up here bonds to glass, and removing it properly restores the output your system designer promised. A typical one-story residential clean in San Pedro runs $150 to $250.

Commercial Array Cleaning
Warehouses and commercial rooftops along the Harbor Gateway and near the port face heavier diesel soot than residential streets, which means output losses compound faster on those flat-roof arrays. We handle commercial solar installation in San Pedro and systems up to any size, with scheduled cleanings that keep your production curve where your PPA or lease agreement expects it to be. Commercial cleaning in San Pedro typically runs $0.15 to $0.30 per watt, depending on array size and access.

Bird & Critter Guard Installation
Western gulls are relentless along the San Pedro coastline, and their droppings bake into panel glass faster here than anywhere inland. Beyond the output loss, nesting under arrays damages wiring and invites rodents into your roof. We install galvanized mesh guard around the perimeter of your array, sealing off the gap where pigeons and gulls get under the panels. Guard installation for a standard residential array in San Pedro runs $400 to $700.

Debris & Soiling Removal
Between the harbor winds and the marine layer, panels in San Pedro collect a film that combines salt, diesel particulates, and moisture into something closer to varnish than dust. Scheduled Debris & Soiling Removal clears that film before it hardens, which is why many of our San Pedro customers book quarterly or semi-annual cleanings instead of annual ones. This is where our Solar Panel Cleaning plans earn their keep, because the soiling cycle here never really pauses.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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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 San Pedro
We clean and maintain arrays from Tesla, SunPower, Enphase, SolarEdge, Panasonic, Qcells, REC, Canadian Solar, JinkoSolar, and FranklinWH. That matters less than what we do with them: we know how each brand’s glass coating reacts to coastal salt haze, and we adjust our cleaning process accordingly. Panasonic and SunPower panels, in particular, have anti-reflective coatings that get etched if a crew uses the wrong brush. We don’t. And when a San Pedro customer needs a replacement part or a diagnostic, our San Pedro techs carry the common stock on the truck so we’re not making you wait on a backorder.
Common Solar Panel Cleaning Problems We See in San Pedro Homes
- Harbor salt haze baked into glass. The same onshore wind that makes Point Fermin perfect for kitesurfing deposits a salt mist that dries under the afternoon sun and bonds to panel surfaces. It starts invisible and slowly hardens into a white-gray film that garden hoses can’t remove. We see this on nearly every first-time cleaning we do in the 90732 and 90731 ZIP codes.
- Port diesel soot on west-facing arrays. Afternoon onshore breezes carry particulate matter from the container terminals across the flats and up the western bluff streets near Paseo del Mar. Panels that tilt west catch the full load, and the soot mixes with marine moisture into a grime that accelerates soiling losses well beyond what inland cleaners expect.
- Gull droppings etched into the glass. The gull population along the San Pedro shoreline is relentless, and their droppings are acidic enough to etch micro-pits into panel glass if they sit through three or four fog cycles. Once the etching starts, output never fully recovers, which is why prompt cleaning matters more on the coast than it does in Lomita or Rolling Hills Estates.
- Rapid re-soiling from the marine layer. San Pedro’s dense June Gloom, which often stretches into July here, keeps a constant moisture film on panel surfaces. That moisture traps airborne soot and salt much faster than a dry climate would, which means panels that were cleaned in spring can be measurably dirty again by late summer.
Pricing for Solar Panel Cleaning in San Pedro, CA
Here’s what San Pedro homeowners should expect to pay, based on the jobs we’ve done across 90731 through 90734. A standard single-story residential clean runs $150 to $250. Two-story homes or arrays on steep coastal bluff lots run $250 to $350 because of the additional safety rigging and access time. Commercial arrays run $0.15 to $0.30 per watt depending on size, roof condition, and how much port soot has accumulated. Bird and critter guard installation runs $400 to $700 for a typical residential array. Scheduled quarterly cleanings drop the per-visit cost, usually to $120 to $180, because the film never gets the chance to harden. Gus quotes a firm number before any work begins, and the price he quotes is the price you pay. We also honor a Senior and Veteran 10% discount that never expires, plus $40 off any San Pedro solar panel repair over $200 if your panels need more than a clean.
We Also Serve Cities Near San Pedro
When you need solar panel cleaning in San Pedro’s neighboring communities, we’re already driving those roads every week. Our crews regularly work in Lomita, Torrance, Rancho Palos Verdes, and Rolling Hills Estates. The soiling profile changes block by block out here, and knowing those differences keeps your array producing at its real year-25 numbers, not the day-one brochure figure.
Serving San Pedro, CA - Our Local Coverage Area
We’re based in the San Pedro 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 San Pedro
In San Pedro’s harbor-air environment, panels lose 5% to 12% of their output between cleanings, and west-facing coastal arrays near the bluff streets can lose more. The salt-and-soot film that builds up here is measurably worse than what inland cities like Torrance or Carson accumulate, because the marine layer holds the particulates on the glass longer. We’ve cleaned SunPower arrays on Paseo del Mar that had lost over 10% before the first cleaning. If your monitoring app shows a steady decline that isn’t explained by clouds or seasons, call (877) 550-6892 for a free estimate and we’ll tell you exactly what’s on your glass.
No, the opposite. San Pedro’s persistent marine layer keeps a thin film of moisture on your panels for hours each day, and that moisture grabs salt and soot from the air and holds it against the glass. When the fog burns off, the sun bakes that mixture into a crust that’s far harder to remove than ordinary dust. An array in San Pedro actually needs more frequent cleaning than one in Rancho Palos Verdes, not less, because the fog is doing the soiling work even while your production is suppressed. Call us and we’ll help you figure out the right cleaning schedule for your exact location and array tilt.
Both. Salt air alone doesn’t usually kill a panel outright, but the salt crystals that dry on the glass act as tiny abrasion points that slowly degrade the anti-reflective coating. Over time, that coating wears down and the panel loses efficiency permanently, not just from the soiling itself. Panels on San Pedro homes that have gone years without a cleaning often need solar panel maintenance and monitoring in San Pedro with professional detail restoration to recover what’s still recoverable. The good news is that annual or semi-annual cleaning with deionized water stops the process before the coating gets permanently etched. It’s much cheaper to clean a 90732 array regularly than to replace panels that a decade of harbor air has hardened.
Because Torrance sits inland enough to shed most of San Pedro’s marine layer and port exhaust. Your neighbor in Torrance is getting cleaner air, drier panel surfaces, and measurably more sunlight hours per month than you are. The soiling film in San Pedro also compounds the effect of the fog, meaning your panels are both getting less sun and losing more of what does reach them to surface grime. A single professional cleaning typically recovers several percent of output immediately, and pairing that cleaning with a battery or export recalculation makes sure your system’s settings match what San Pedro’s climate actually delivers, not what a generic Los Angeles irradiance table assumes.
Yes, and this is where it matters most. During San Pedro’s foggy months, your daily production is already squeezed, so every percentage point of soiling loss cuts directly into whatever you’d otherwise export to the grid or bank as a credit. A clean array produces more during the brief afternoon windows when the harbor breeze thins the overcast, and those peak hours are exactly when export rates are highest. Some of our San Pedro customers see enough credit recovery from a single cleaning to cover a meaningful chunk of their next annual electric bill. Call (877) 550-6892 for an exact quote, and we’ll help you estimate the credit recovery on your specific system. Estimates are free.
Written by Gus Petrakis, Owner at Gus’s Solar, serving San Pedro and the South Bay since 2011.






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