Free bill analysis - bring a power bill, get the production math for your actual roof, panel brands like Qcells and REC compared side by side
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.
Before
After
Before
After
Before
AfterFast, Reliable Solar Panel Cleaning Across Simi Valley
Solar panel cleaning in Simi Valley typically runs $150-$350 for a standard residential array, and most jobs are completed in under two hours. The valley’s enclosed basin geography means dust from the Santa Susana foothills and bird activity settle on panels faster than homeowners expect, and that buildup quietly eats into your SCE bill. We’re a locally owned, owner-operated company led by Gus Petrakis, and we’ve been working on roofs across Simi Valley’s 93062, 93063, 93065, and 93093 ZIP codes long enough to know exactly what your panels are up against. Call us at (877) 550-6892 and a live person answers, day or night.
Why Gus’s Solar Is Simi Valley’s Preferred Solar Panel Cleaning Company
Gus Petrakis put his name on this company in 2011, and he still answers his own phone. That’s not a marketing line. It’s how we’ve operated across Simi Valley for over a decade, and it’s why homeowners near Rancho Simi Community Park, along Royal Avenue, and up in the Wood Ranch area keep calling us back when their panels need attention.
Our reputation in Simi Valley is built on showing up when we say we will. If you call before noon, we can usually have a uniformed, background-checked crew at your door the same day. We know the difference between a 1970s ranch on the west side and a 1990s two-story near Big Sky, and we adjust our cleaning approach accordingly. Older composition shingle roofs need different ladder placement than newer concrete tile. That’s the kind of local knowledge that keeps your roof intact and your panels producing.
We don’t subcontract. The same crew that cleans your panels is the team that works under Gus’s name and his 90-Day Done Right Promise. If something isn’t right, one call brings him back. No ticketing portal. No call center three states away. Just a real person who knows your neighborhood.
Our Solar Panel Cleaning Services in Simi Valley
We don’t do a one-size-fits-all spray-and-go. Simi Valley’s heat, dust, and fire-zone regulations mean your panels need a cleaning approach that respects both your equipment and your roof. Here’s what we offer homeowners and businesses across Simi Valley:
Residential Panel Cleaning
We hand-wash residential arrays with deionized water and soft-bristle brushes, not high-pressure sprays that can micro-fracture glass or force water under flashing. On a typical Simi Valley ranch home with 20-28 panels, the job takes 90 minutes to two hours. We work around your schedule, and we always protect your landscaping below the roofline from runoff.
Commercial Array Cleaning
Flat-roof commercial arrays in Simi Valley’s business parks collect dust faster than pitched residential roofs because there’s no natural rain-wash angle. We clean arrays at office complexes, warehouses, and retail centers throughout the valley, using walk-pad systems that distribute weight without puncturing roofing membranes. Early morning and evening slots are available to avoid peak heat and peak business hours.
Bird & Critter Guard Installation
Pigeons nesting under panels are among the most common problems we see in Simi Valley, particularly around the older neighborhoods near the 118 where mature trees provide cover. We install galvanized steel mesh critter guard around the entire array perimeter, sealing the gap between panel and roof so birds, squirrels, and rodents can’t get under. This also prevents droppings from accumulating on the roof itself, which shortens shingle life and attracts more pests.
Debris & Soiling Removal
Simi Valley’s Santa Ana events push dust and fine particulate from the foothills across the valley floor. That dust settles on panels and, when afternoon temperatures climb above 100°F, bakes into a film that a plain rinse won’t remove. We use a two-stage process for baked-on soiling: a pre-soak to soften the residue, then a careful hand scrub. It’s labor that matters, because a streaky panel in Simi Valley’s peak sun is losing money every afternoon.
Scheduled Cleaning Plans
Many Simi Valley homeowners put their panels on a twice-yearly cleaning schedule: once in early spring before the dry season, and once in late fall after the Santa Ana winds. We keep a simple list of who needs what and when, and we call you to schedule. No auto-charge surprises. Just a reminder that your panels are due.
Post-Storm Panel Cleaning
After a rain event or high-wind day, debris collects in the gaps between panels and along the bottom rail. If that debris sits, it holds moisture against the frame and invites corrosion. We offer post-storm cleanups that clear leaves, twigs, and wind-blown dirt, then inspect the array for any shifted hardware or damaged wiring while we’re up there.
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.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Simi Valley
Gus’s crew works on all major panel and inverter brands, and we’re factory-familiar with Solar Panel Cleaning for systems built on Panasonic, Canadian Solar, JinkoSolar, Qcells, SunPower, and Tesla equipment. For Simi Valley customers, we carry the right cleaning agents, soft brushes, and DI water systems for each panel type, so we never show up with the wrong kit. Whether you’ve got a 10-year-old Canadian Solar array on a west-side ranch or a newer FranklinWH-backed system up in Wood Ranch, we know how to clean it without voiding your warranty.
Common Solar Panel Cleaning Problems We See in Simi Valley Homes
- Baked-on soiling from afternoon heat. When valley temperatures push past 100°F, the dust and pollen on your panels harden into a film. Cold-water rinses leave streaks that cut output precisely when SCE’s time-of-use rates peak. We pre-soak and hand-scrub to remove it properly.
- Bird droppings and nesting under arrays. Simi Valley’s pigeon population is active, especially near older neighborhoods with large eucalyptus and pepper trees. Droppings aren’t just unsightly; they can etch glass over time and permanently degrade output. Critter guard solves the root problem.
- Fire-zone clearance violations during cleaning. Homes in the Very High Fire Hazard Severity Zones that ring Simi Valley’s hillsides must maintain 3-foot setbacks from roof edges and ridges. Unfamiliar cleaning crews can place ladders inside those clearances, creating fire-code risks. Our crew knows the local maps and the rules.
- Undersized inverters making dirt loss look like equipment failure. Many older west-side Simi Valley homes still run original 100-150A service panels with older inverters. When dust accumulates, clipping losses increase, and homeowners often think the panel or inverter is failing. A thorough cleaning often restores output without any parts replacement.
Pricing for Solar Panel Cleaning in Simi Valley, CA
For a standard residential array in Simi Valley, expect to pay $150-$350 depending on panel count, roof pitch, and how much baked-on soiling we’re dealing with. A small 10-14 panel system on a single-story ranch typically runs $150-$200. A larger 25-30 panel two-story system with heavy foothill dust and bird activity runs $250-$350. Commercial flat-roof arrays are priced by square footage, usually $0.35-$0.65 per square foot. Critter guard installation adds $8-$15 per linear foot including materials and labor.
What affects cost: roof height, accessibility, the amount of soiling, whether we’re also clearing debris from under the array, and whether critter guard is being installed at the same time. No surprises. The price we quote is the price you pay. Call (877) 550-6892 for an exact number, and ask about our senior and veteran 10% discount. Estimates are free, and there’s no trip charge inside our own county.
We Also Serve Cities Near Simi Valley
Our crews handle solar panel cleaning throughout the Conejo Valley and its edges, including Oak Park, Moorpark, Thousand Oaks, and West Hills. If you’re in one of those nearby communities, Simi Valley is still our home base for scheduling, and we can usually extend same-day service to the surrounding area.
Serving Simi Valley, CA - Our Local Coverage Area
We’re based in the Simi Valley 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 Simi Valley
In Simi Valley, dirty panels lose 8-18% of their production, depending on the season and your proximity to open foothill terrain. Last July we cleaned a 5.2 kW system on a 1980s ranch near Royal Avenue in the 93063 ZIP where dust from the Santa Susana foothills and bird droppings had cut output by nearly 18%. After a hand-wash and critter guard install, we re-ran the production estimate and showed the homeowner a 14-month payback on the cleaning cost alone. That’s typical for this valley. Call (877) 550-6892 if you want us to check your numbers.
Not necessarily more often, but you need a cleaner who knows the fire-code rules. In Simi Valley’s hillside-adjacent Very High Fire Hazard Severity Zones, California requires 3-foot setbacks from roof edges, ridges, and valleys. Panels in those zones still need cleaning on a similar twice-yearly schedule, but ladder placement and roof access must respect the mandated clearances. Our crew is trained on those local maps and won’t leave you with a fire-code violation. If a cleaning company doesn’t know what a 3-foot setback is, don’t let them on your roof.
Yes, and the improvement shows up quickest during the summer months when SCE’s TOU rates peak. Older SunPower and Canadian Solar panels in Simi Valley lose efficiency in afternoon heat, and dirt makes that worse. Cleaning restores the panel’s ability to convert sunlight during the exact hours you’re paying the most for grid power. We’ve had customers watch their production estimates jump 10-15% after a thorough cleaning. Call (877) 550-6892 and we’ll give you an honest read on whether cleaning is worth it for your system’s age and condition.
Yes. Birds nesting under panels in Simi Valley cause three problems: their droppings etch the glass, their nesting material holds moisture against the roof, and their activity can loosen wiring connections over time. Critter guard creates a physical barrier that prevents all three. We use galvanized steel mesh rated for direct sun exposure, and installation typically takes a few hours. The mesh itself lasts 10-15 years, which is a lot of avoided damage.
It depends on output, not age. If your 1990s-era panels are still producing above 70% of their original rating, cleaning makes financial sense. But if the panels are marginal and your composition shingle roof is also nearing the end of its life, you may be better off planning a removal-and-reinstall alongside a roof replacement. We can inspect your system, check inverter output, and give you a straight answer. Gus’s philosophy: bring us a bill, we’ll bring you the math. Call (877) 550-6892 and we’ll come out for a free assessment.
Call Gus’s Solar for Solar Panel Cleaning in Simi Valley
If your panels haven’t been cleaned in over a year and you live anywhere in Simi Valley, from the 93065 flats near the Civic Center to the hillside streets above Wood Ranch, we’ll come out, assess your array, and give you an honest quote. No pressure. No signature tonight. The price we quote is the price you pay, and it’s backed by Gus’s 90-Day Done Right Promise. Call (877) 550-6892 for a free estimate. A live person answers, 24/7.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Simi Valley and the surrounding communities.