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.
Fast, Reliable Commercial Solar Installation Across Los Gatos
Commercial solar installation in Los Gatos runs roughly $2.25 to $3.10 per watt for most rooftop projects, which puts a typical 100kW system between $225,000 and $310,000 before incentives. Ground-mount agricultural arrays often land lower per watt but carry site-prep costs that change the math. We’re Gus’s Solar, and we’ve been doing this long enough to know that no two Los Gatos commercial roofs behave the same, especially once you climb into the hills. Call (877) 550-6892 for a free estimate built off your actual usage, not a brochure.
Why Gus’s Solar Is Los Gatos’s Preferred Commercial Solar Installation Company
Gus Petrakis started this company in 2011 and still answers his own phone. That matters in Los Gatos, where business owners in the downtown core off Santa Cruz Avenue and winery operators up toward 95033 have all heard the same story from national outfits: a salesman who disappears after the contract, a portal instead of a person, and a final bill that looks nothing like the first quote.
Our team shows up in uniform, background-checked, and we do the install ourselves. No subs. The 90-Day Done Right Promise is in writing on every commercial job: if it is not right, one call brings Gus back. And a live person answers our phone 24/7, which is the kind of thing you appreciate when a battery inverter throws a fault at 6 a.m. and your tasting room opens at noon.
We have spent years working with the Los Gatos Building Division, the Fire Department Plan Review desk, and the quirks of hillside permitting that flatland installers never see. That local knowledge keeps projects moving instead of stalling in plan check.
Our Commercial Solar Installation Services in Los Gatos
Commercial Rooftop Solar
Flat commercial rooftops across Los Gatos’s east side, from the light-industrial buildings along Winchester Boulevard to retail strips near Lark Avenue, usually take ballasted or mechanically attached racking cleanly. Hillside commercial buildings are another animal entirely: multi-plane roofs, tile or standing-seam metal, and tree canopy that eats sunlight. We run shading analysis before we quote anything, because oversizing a central inverter on a shaded Los Gatos roof means a true-up statement the business owner did not budget for.

Warehouse and Industrial Solar
Warehouse solar in Los Gatos makes sense when the roof is unshaded and the daytime load profile matches production. We have seen the flatland warehouses in 95032 get excellent payback, while the older industrial buildings tucked into canyons off Highway 17 need a hard look at fog losses. We model site-specific production, not regional averages. If the numbers do not work, Gus will tell you before you spend a dollar.

Solar Carport Installation
Carport solar solves two Los Gatos problems at once: limited unshaded roof area and the need for shaded employee or customer parking. A commercial carport array on a Los Gatos lot off North Santa Cruz Avenue, for example, does not care about a redwood shading the roofline. The modules sit on a steel canopy, angled correctly, and produce from day one. These systems pair well with EV charging, which we install as well.
Commercial Battery Storage
Battery storage is becoming the quiet essential for Los Gatos businesses in the 95033 hills, where Public Safety Power Shutoff events knock out power during high fire risk days. A FranklinWH or Tesla Powerpack paired with a solar array keeps refrigeration, security, and point-of-sale systems running. We size batteries off your critical loads, not a generic chart, and we wire them for whole-building or partial backup depending on what the business actually needs.

Agricultural and Ground-Mount Solar
Ground-mount arrays on Los Gatos hillside parcels and small vineyard properties solve the problem of shaded roofs entirely, but they come with fire-setback and grading rules that flatland cities like Campbell never touch. We design ground-mounts with the fire department’s 10-foot edge and ridge setbacks already accounted for, so the plan check does not bounce back.

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 Los Gatos
We install and service equipment from Qcells, REC, SunPower, and Panasonic, among others. More important than the brand name is that we stock common replacement components and can get Los Gatos commercial customers back online fast when something fails. A failed microinverter on a 200kW array should not mean two weeks of lost production while a distributor ships a part. We keep inventory staged for our Los Gatos service area.
Common Commercial Solar Installation Problems We See in Los Gatos
- Fire-Hazard-Zone plan-check rejections: Submitting flatland commercial plans without the CAL FIRE rapid-shutdown and roof-access setback documentation gets kicked back by the Los Gatos Building Division. That adds three to six weeks to an interconnection timeline, every time.
- Shaded-roof inverter oversizing: On hillside commercial roofs under mature oaks and redwoods, a single central inverter often misses the kWh offset by 20% or more. The owner sees a true-up bill and assumes solar does not work, when the problem was the design, not the technology.
- Fog-layer production overpromising: Regional solar production averages flatter commercial properties in Los Gatos, especially up toward 95033. Marine fog spilling over the Santa Cruz Mountains cuts annual production hours meaningfully, and a proposal built on San Jose sunshine numbers overpromises payback by years.
- Tile and metal roof penetration failures: Los Gatos hillside commercial buildings often have tile or standing-seam metal roofs. A crew that does not flash penetrations correctly on these materials creates leaks that show up in the first winter rain. Gus’s crew does the work themselves, and the 90-Day Done Right Promise covers it.
Pricing for Commercial Solar Installation in Los Gatos, CA
A 25kW to 50kW commercial rooftop system in Los Gatos typically runs $2.40 to $2.90 per watt, or roughly $60,000 to $145,000 before the 30% federal Investment Tax Credit. Larger warehouse arrays above 100kW land closer to $2.25 to $2.55 per watt. Ground-mount agricultural systems in the hills start around $2.10 per watt for the array itself, but add grading, trenching, and fire-setback compliance that can push total installed cost to $2.60 to $3.10 per watt. Battery storage adds $800 to $1,100 per kWh of usable capacity depending on chemistry and cabinet count. The number we quote you is the number you pay. Bring us a bill and we will bring you the math. Call (877) 550-6892 for a free estimate.
We Also Serve Cities Near Los Gatos
We run commercial solar projects throughout the South Bay. Our Commercial Solar Installation team regularly works in Saratoga, Campbell, Communications Hill, and San Jose, with the same owner-operated standard: real numbers, our own crew, and a live person on the phone. If your business is in Los Gatos or any neighboring city, call us and ask for Gus.
Serving Los Gatos, CA - Our Local Coverage Area
We’re based in the Los Gatos 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 - Commercial Solar Installation in Los Gatos
If your commercial property sits in the CAL FIRE Very High Fire Hazard Severity Zone covering 95033 and upper 95030, your permit requires explicit documentation of NEC 690.12 rapid-shutdown compliance and fire-department roof-access setbacks, typically 10 feet from edges and ridges. Flatland cities like Campbell and Santa Clara do not enforce these rules, so boilerplate plans from a flatland installer get rejected. Call (877) 550-6892 and we will walk your specific address through the requirements before you file anything.
Mature coast redwoods and native oaks shade nearly every hillside commercial roof in Los Gatos, and a string inverter treats the whole array as its weakest panel. Microinverters and DC optimizers let each module produce independently, which recovers production that a central inverter loses to partial shading. On a shaded commercial roof in the 95033 hills, that difference can be 20% or more of annual output.
Yes. Properties ascending toward the ridgeline in 95033 regularly sit under the marine layer that spills over the summit, and annual production hours drop meaningfully compared to flat-terrain cities nearby. A proposal built on regional averages can overpromise payback by two to three years. We model site-specific weather data for every Los Gatos commercial project, and if the numbers do not work, we tell you before you sign.
The Los Gatos Fire Department requires a 10-foot setback from all roof edges and ridges on commercial systems in the Very High Fire Hazard Severity Zone, with additional pathways for firefighter access depending on roof size and layout. We build these setbacks into the design from the start, so plan check moves through without a second correction. Call (877) 550-6892 and we will pull up your parcel and tell you exactly what applies.
Yes. We install battery storage on Los Gatos agricultural properties, paired with ground-mount arrays, sized for the critical loads that matter: irrigation pumps, cold storage, equipment barns, and any residential dwelling on the parcel. The fire hazard zone rules that govern the array also govern battery placement and enclosure requirements, and we handle that paperwork as part of the design. Estimates are free.
If you own a business or agricultural operation in Los Gatos and want commercial solar that is designed for the hills, the fog, and the fire zone, call (877) 550-6892. Gus will answer. Bring him a bill, he will bring you the math, and you can take two weeks to think about it. The price will be the same.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Los Gatos and the South Bay since 2011.






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