Commercial Solar Installation in Pacifica, CA | Gus’s Solar - Gus's Solar

Commercial Solar Installation in Pacifica - Same-Day Service, Done Right the First Time

Professional solar services in San Jose, CA. Licensed & insured. Same-day and after-hours emergency service available.

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Worth knowing

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.

Styles & brands we work with

Rooftop solar
Rooftop solar
Battery storage
Battery storage
EV charging
EV charging
Qcells
Qcells
REC
REC
Enphase inverters
Enphase inverters

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Fast, Reliable Commercial Solar Installation Across Pacifica

Commercial solar in Pacifica is a different animal than it is ten miles east over the hill. The marine layer that rolls off the Pacific and sits over Linda Mar, Sharp Park, and Vallemar until noon (or all day, some weeks) cuts usable sun hours by 20 to 30 percent compared to Bay Area averages. That means the system design, the inverter choice, the battery sizing, and the honest payback math all have to be built for Pacifica’s actual conditions, not a California brochure number. We size every Pacifica commercial job off real site-specific irradiance data, and we tell you the truth about what that does to your production numbers. Call Gus at (877) 550-6892 and he’ll walk you through it.

Call (877) 550-6892

Why Gus’s Solar Is Pacifica’s Preferred Commercial Solar Installation Company

Gus Petrakis has been putting his own name on solar work since 2011, and that’s the standard every Pacifica job gets held to. Not a sales crew, not a rotating cast of subcontractors. Gus’s own background-checked, uniformed crew does the install, flashes every roof penetration properly, and stands behind it in writing. The 90-Day Done Right Promise says it plainly: if it’s not done right, we make it right, and one call brings Gus back. A live person answers that call 24/7, not an after-hours voicemail queue.

We know Pacifica’s commercial buildings. The post-WWII warehouses and retail strips along Highway 1 and up through the Linda Mar valley, the west-facing roofs that catch more fog than sun, the 100-amp services that were fine for 1965 and aren’t fine for a 60kW array. That local knowledge changes how we quote, how we design, and how long your system takes to pencil out. If a salesman needs an answer tonight, the answer is no. Take two weeks. The price will be the same.

Our Commercial Solar Installation Services in Pacifica

Commercial Rooftop Solar

A commercial rooftop array in Pacifica has to fight for every sun hour. Roofs here face west toward the ocean more often than they face south, and the marine layer sits on them for the first half of the day. We pull site-specific irradiance readings before we quote a single number, and we design the layout for Pacifica’s actual sun, not a generic California assumption. That’s how you get a production estimate that matches your PG&E bill at true-up instead of missing it every year.

Commercial Rooftop Solar

Warehouse & Industrial Solar

Warehouse roofs in Pacifica’s fog belt lose real generation to marine-layer drift, especially on the flat, low-pitch roofs common to the industrial buildings off Palmetto Avenue. We use panel and inverter pairings that handle partial shading without dragging down the whole string. Qcells panels with Enphase microinverters are a common choice on Pacifica warehouse jobs for exactly that reason. If your building has an aging electrical service, we’ll flag that before it becomes a utility interconnection delay.

Warehouse & Industrial Solar

Solar Carport Installation

Carports give you a south-facing plane to work with even when the building roof points the wrong way, and in Pacifica that can be the difference between a project that pencils and one that doesn’t. We’ll design the carport structure for Pacifica’s coastal wind loads, including the gusts that funnel through the Linda Mar valley. Panel selection and inverter pairing follow the same fog-corrected logic as every other Pacifica job we do.

Solar Carport Installation

Commercial Battery Storage

Battery storage matters more in Pacifica than it does in San Jose or even San Bruno. A FranklinWH or Tesla Powerpack battery captures whatever midday sun makes it through the marine layer and lets your business use it during PG&E’s evening peak, when Pacifica’s fog has already killed direct generation. It also gives you genuine outage protection, which is worth real money if you run refrigeration, servers, or any operation that can’t sit dark for four hours. We’ll model the battery against your Pacifica production curve, not a Sacramento one.

Commercial Battery Storage
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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Trusted Brands We Service in Pacifica

We service and install equipment from the brands commercial owners in Pacifica actually ask for: Tesla, Enphase, SolarEdge, Qcells, and FranklinWH among them. That means when a monitoring portal flags a production drop on a foggy Pacifica week, we can diagnose it, source the part, and fix it without a two-week wait on an out-of-state distributor. If a microinverter fails on an Enphase system or a battery management unit acts up on a FranklinWH stack, our crew handles the service call directly. Gus’s crew, not a sub.

Common Commercial Solar Installation Problems We See in Pacifica Homes

  • Payback math built on wrong irradiance data. A quote calculated with San Jose sun hours will miss Pacifica’s true-up every single year. We rebuild the production model with local fog-corrected figures before you spend a dollar.
  • West-facing arrays that lose too much generation. Many commercial roofs in Pacifica face the ocean rather than south, and in this fog belt that orientation penalty is brutal. We’ll tell you if a carport or a steeper tilt makes more sense than fighting your roof’s existing azimuth.
  • Interconnection delays from aging 100-amp services. Pacifica’s post-WWII commercial buildings were never wired for a 60kW solar array. If your service needs an upgrade before PG&E will approve net metering, we’ll tell you up front, not after you’ve signed.
  • Marine-layer shading that derates string inverters. A standard string inverter loses the entire string when marine fog drifts across part of the array. Microinverters or optimizers fix this, but you have to spec them from day one.

Pricing for Commercial Solar Installation in Pacifica, CA

Commercial rooftop solar in Pacifica typically runs $2.50 to $3.20 per watt before incentives, so a 50kW system lands around $125,000 to $160,000. A commercial carport runs higher, usually $3.50 to $4.50 per watt, because you’re building the structure. Commercial battery storage for Pacifica businesses runs $800 to $1,200 per kWh of usable capacity depending on the brand and your existing electrical setup. These are real Pacifica numbers, not Bay Area averages. The marine layer extends your payback period meaningfully compared to inland cities, and we’ll show you the exact math on your actual PG&E bill before you sign anything. Bring me a bill, I’ll bring you the math. Call (877) 550-6892 for a free estimate.

We Also Serve Cities Near Pacifica

Our crews serve Pacifica and the surrounding San Mateo County coast, including San Bruno, South San Francisco, Millbrae, and Daly City. If your business is a few miles east where the fog burns off earlier, your production numbers will look different, and we’ll quote them accordingly. Read more about our Commercial Solar Installation services or see how we work in Pacifica.

Serving Pacifica, CA - Our Local Coverage Area

We’re based in the Pacifica 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 Pacifica

Why San Jose Chooses Gus's Solar

We set the standard for solar in San Jose.

30-60 Min Response

Fast dispatch across San Jose. Same-day and after-hours emergency service available.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in San Jose

Getting your solar handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your solar needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in San Jose - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local solar pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    A background-checked tech heads outLicensed & insured, typically within 1-hour.
  4. 4
    You approve before work beginsNothing starts until you say go.

What San Jose Customers Say

Trusted by homeowners across San Jose and surrounding areas.

★★★★★

"Told me straight that a battery did not make sense for how we use power and sold me the array without it. He talked himself out of a good deal of money that afternoon."

Reginald Pontefract · Verified customer
★★★★★

"He flashed every roof penetration properly and showed me the flashing before it went down. Three roof seasons on and not a drop anywhere."

Philomena Achara · Verified customer
★★★★★

"Panel level monitoring so I can see each one, proper stainless clips under the array rather than zip ties, and he walked me under it with a torch to show me before he signed off."

Cassius Delacroix · Verified customer

Current Offers

Bring these savings to your next appointment.

10%

10% Off Your First Service Visit

Valid on your first completed service visit with us.

Expires Dec 31, 2026
$40

$40 Off Any Repair Over $200

Expires Dec 31, 2026
Free

Free Second Opinion on Any Written Estimate

Expires Dec 31, 2026
Free

No Trip Charge Inside Our Own County

Expires Dec 31, 2026
10%

Senior & Veteran 10% - Always

Expires Dec 31, 2026

Ready for Solar in San Jose?

Call now for a free estimate - or request one below. Licensed, insured, and here with fast after-hours help in San Jose.

(877) 550-6892

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