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

Commercial Solar Installation in Highland - 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

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

Fast, Reliable Commercial Solar Installation Across Highland

Commercial solar in Highland comes down to one thing most installers skip: the math on your actual roof. Not a satellite guess. Not a brochure number. Highland’s mix of 1970s-1990s buildings, CAL FIRE fire-zone rules north of Base Line Street, and original 100-amp panels changes what actually fits, what passes inspection, and what generates the kWh you’re promised. We’re Gus Petrakis’s crew. We’ve been doing this since 2011, and when you call (877) 550-6892, a live person answers. That’s the whole point.

Call (877) 550-6892

If you own or run a warehouse, office, or retail building in Highland, you already know the summer AC load. You know SCE’s time-of-use rates punish you in the afternoon. A properly sized Commercial Solar Installation system changes that. But only if it’s built around Highland’s specific constraints: fire-code setbacks, foothill shading, and aging service panels. We quote the system that actually fits your parcel, not the one that looks good on a sales deck.

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

We’re not a pop-up sales crew that appears after a windstorm and vanishes after the check clears. Gus Petrakis founded this company in 2011, puts his own name on the truck, and publishes his license number and address. Highland business owners see the same faces year after year. That matters when you need service in year four, or year eleven, or when a monitoring alert fires at 2 a.m. and you need to know who to call.

Our crews serve Highland directly, dispatched from our Inland Empire office. That means response times measured in hours, not weeks. When a warehouse off Victoria Avenue loses an inverter in July, you can’t wait for a crew from Phoenix or Sacramento. You call us. Gus’s own crew shows up, uniformed and background-checked, and the work happens. Every job carries our 90-Day Done Right Promise in writing: if it’s not right, Gus makes it right, and one call brings him back.

We follow the L.O.C.A.L. values on every job here: Local roots, On time, Community first, Accountable, Loyal. That’s not a wall poster. That’s how we answer the phone. No ticketing portal. No voicemail maze. You call (877) 550-6892 and a human picks up. We also extend a 10% Senior and Veteran discount that never expires, and we’ll give you a free second opinion on any written estimate you already have.

One more thing. We don’t do high-pressure sales. If a salesman needs an answer tonight, the answer should be no. Take two weeks. Think about it. The price we quote is the price you’ll pay, and it won’t change because you took time to think.

Our Commercial Solar Installation Services in Highland

Commercial Rooftop Solar

Rooftop solar on Highland commercial buildings starts with the roof itself. Most of the commercial stock along Highland Avenue and Base Line Street was built in the 1980s and 1990s with low-slope tile or composition shingle over truss systems that were never engineered for an extra 3-5 pounds per square foot of rack and glass. We check the structure before we quote. A typical flat-roof commercial array in Highland runs $2.10-$2.60 per watt installed, before tax credits or depreciation. For a 50 kW system, that’s roughly $105,000-$130,000 gross, with the 30% federal Investment Tax Credit pulling it to $73,500-$91,000 net.

For rooftops north of Base Line Street, the HFHSZ setback rules can shrink the installable footprint by 18-25%. That’s not a minor detail. It’s the difference between an 8 kW system that pencils and a 6 kW system that doesn’t. We pull the parcel’s FHSZ designation before we quote, and we show you exactly where the panels can legally sit.

Commercial Rooftop Solar

Commercial Battery Storage

Battery storage is where Highland’s time-of-use rates really bend. SCE’s on-peak window from 4-9 p.m. is brutal in summer, and Highland regularly exceeds 105°F. A commercial battery lets you store midday solar and discharge through the on-peak window instead of buying at the top rate. For Highland businesses, we size battery systems against your actual interval data from SCE, not a rule-of-thumb. A commercial battery system here typically runs $800-$1,100 per kWh of storage capacity installed, so a 27 kWh FranklinWH or Tesla Powerpack-class system lands between $21,600 and $29,700 before incentives.

Here’s the catch: most 1980s Highland commercial buildings still carry original 100-amp service. Adding a solar-plus-battery system with rapid shutdown equipment often pushes load past what that panel can handle. You may need a 200-amp upgrade, which runs $3,500-$6,000 in Highland. We build that into the quote from day one. Surprise line-items are how bad installers burn good clients.

Commercial Battery Storage

Solar Carport Installation

Carports work well for Highland businesses with open parking lots but a roof that’s already shaded, too small, or hemmed in by fire-code setbacks. A solar carport does double duty: it generates power and shades the vehicles underneath, which matters when Highland hits 105°F and your employees’ cars turn into ovens. Carport systems cost more per watt than rooftop, typically $3.00-$3.80 per watt installed, because the steel structure is the expensive part. But for a lot along Greenspot Road with clean southern exposure, the production can outperform a cluttered roof.

Solar Carport Installation

Commercial Solar Maintenance

Once the system is live, it needs to stay live. We offer commercial solar maintenance in Highland: panel cleaning, inverter health checks, monitoring setup, and production audits. In Highland’s dusty summer months, panels lose 5-10% of output to dust and grime. We schedule cleanings around the Santa Ana wind season and after any fire-adjacent smoke events that leave particulate on the glass. We monitor your system remotely, and if production dips, we call you. Not the other way around.

Commercial Solar Maintenance
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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 Highland

We install and service Qcells, REC, and Panasonic modules, along with Enphase, SolarEdge, Tesla, and FranklinWH inverters and storage. For Highland commercial clients, we stock common replacement parts in our Inland Empire warehouse, which means a failed microinverter doesn’t leave you dark for three weeks while a part ships from overseas. We also honor manufacturer warranties in-house. When a Panasonic panel underperforms or a SolarEdge optimizer faults, we handle the claim and the swap, and we don’t make you chase down a manufacturer’s customer service line.

Common Commercial Solar Installation Problems We See in Highland

  • Fire-zone setbacks shrink the array. North of Base Line Street, CAL FIRE’s High Fire Hazard Severity Zone rules require setbacks from roof edges that can turn an 8 kW design into a 6 kW one. We pull the parcel’s FHSZ designation before we quote, and we’ve had to reconfigure layouts because a satellite image lied about the usable footprint.
  • Original 100-amp panels fail inspection. Highland’s 1980s commercial buildings often still run on the original service. Add solar, battery, and rapid shutdown, and the load pushes past code. We build the 200-amp upgrade into the quote so you’re not blindsided mid-project.
  • East-facing roofs near the foothills shade out in winter. The San Bernardino Mountain ridge lines cast early-morning shadows on east-facing arrays from November to February. That’s a 10-15% winter production hit that looks invisible on a sunny July afternoon. We model azimuth against actual shade, not wishful thinking.
  • Satellite-only quotes overpromise. A contractor in another state quotes a Highland roof from Google Earth, never checks fire-zone setbacks or panel capacity, and the production estimate falls 20% short. We’ve fixed enough of those messes to know: the quote needs the parcel, the panel, and the fire zone in front of us.

Pricing for Commercial Solar Installation in Highland, CA

Here are honest ranges for Highland’s market. Commercial rooftop solar: $2.10-$2.60 per watt installed before incentives. Warehouse and industrial solar: $1.90-$2.40 per watt, since large flat roofs with ballasted racking go up faster. Solar carport: $3.00-$3.80 per watt. Commercial battery storage: $800-$1,100 per kWh installed. A 200-amp panel upgrade, when needed: $3,500-$6,000. These are Highland numbers, not national averages. We’ve seen the same system quote 15% higher from out-of-state installers who add “regional surcharges.” We don’t do that.

The price we quote is the price you pay. No trip charge inside our own county. Free second opinion on any written estimate. And we’ll walk you through the federal ITC, MACRS depreciation if you own the building, and any SGIP incentive money still available for battery storage. Bring us a bill, we’ll bring you the math. Call (877) 550-6892 for a free estimate.

We Also Serve Cities Near Highland

Along with Commercial Solar Installation in Highland, our crews cover San Bernardino, Muscoy, Redlands, and Loma Linda. If your building is in one of those cities, the same crew, same warranty, and same phone number apply. One call handles all of it.

Serving Highland, CA - Our Local Coverage Area

We’re based in the Highland 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 Highland

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.

★★★★★

"Honest quoting and good workmanship. He is not the cheapest quote I got, by some way, and he told me that himself and explained what the difference bought. I chose him anyway and I am glad."

Alistair Fennimore · Verified customer
★★★★★

"The install itself was excellent and the system performs as modelled. Permitting and the utility interconnection took about four months, most of it out of his hands, though the waiting was still frustrating."

Marguerite Ostrowski · Verified customer
★★★★★

"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

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

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(877) 550-6892

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