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

Commercial Solar Installation in Roseville - 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
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Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Fast, Reliable Commercial Solar Installation Across Roseville

Commercial solar installation in Roseville runs $95,000 to $220,000 for a typical 50-150 kW rooftop system, and the design, permitting, and interconnection paperwork moves through Roseville Electric Utility’s own municipal process, not PG&E’s. That distinction matters more than most business owners realize. Gus’s Solar has been doing commercial work in Roseville long enough that we keep REU’s tariff schedules, HOA design-review checklists, and West Roseville’s concrete S-tile roof conventions in our standard quoting math. If you’re weighing a rooftop array, a carport system, or battery storage for your Roseville building, call (877) 550-6892 and we’ll walk you through the real numbers off your actual utility bill.

Call (877) 550-6892

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

Gus Petrakis puts his name on every job we do in Roseville, and he’s the one who answers when something needs attention after the install. That’s the difference between us and a door-knocker working off a brochure. Our Commercial Solar Installation team includes background-checked, uniformed crews who do their own work, no subcontractors, and a live person picks up the phone 24/7. Business owners in 95661, 95678, and 95747 have called us at 9 p.m. with a monitoring question and talked to a person, not a ticket queue.

Roseville’s commercial buildings sit under a specific set of rules: REU’s interconnection process, Placer County building permits, and in West Roseville’s 95747 business parks, architectural-review committees that can stall a rooftop array over panel color and conduit routing. We file the right paperwork the first time because we’ve done it enough times to know which forms each agency wants, in which order. That keeps your building on its operating schedule instead of waiting on a rejected application. If a PG&E interconnection application gets filed out of habit, Roseville Electric rejects it immediately. We don’t make that mistake.

Take two weeks. Think about it. The price will be the same. That’s how we quote every Roseville job, and it’s why businesses in Rocklin, Citrus Heights, and Granite Bay keep referring us back into the city.

Our Commercial Solar Installation Services in Roseville

We handle the full scope of commercial solar work across Roseville’s 95661, 95678, and 95747 ZIP codes. Here’s what we do most often.

Commercial Rooftop Solar

A flat-roof warehouse in Roseville needs a different racking plan than a pitched S-tile building in Westpark. We engineer for REU’s interconnection limits, Roseville’s summer heat loads, and the building’s actual roof structure. We quote the year-25 output, not the day-one brochure number.

Commercial Rooftop Solar

Commercial Battery Storage

REU’s commercial tariff doesn’t credit exported solar the way PG&E’s NEM programs do, so battery storage often changes the payback math dramatically in Roseville. We pair FranklinWH, Enphase, and Tesla batteries with commercial arrays to shift load away from REU’s peak pricing windows. For businesses running refrigeration or industrial processes, that’s where the real savings land.

Commercial Battery Storage

Solar Carport Installation

Carports solve two Roseville problems at once: shaded parking through 104°F summers and energy production without touching an aging roof. We see this most often in 95747 office parks and medical buildings where the roof is already crowded with HVAC units. Carport structure permits go through the City of Roseville’s building division, and we handle that line by line.

Solar Carport Installation

Commercial Solar Maintenance

Panels in the Sacramento Valley collect dust through the dry season, and Roseville’s summer heat beats on inverters harder than coastal installs. We monitor every system we install, and when production dips, Gus is the one who calls you. If you already have a system from another installer and it’s underperforming, we’ll diagnose it and give you a free second opinion on any written estimate.

Commercial Solar Maintenance
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Call (877) 550-6892

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 Roseville

We install and service equipment from Qcells, REC, SunPower, and Panasonic, among others. We stock common replacement parts locally so a failed optimizer or a tripped inverter doesn’t sit for a week waiting on a freight shipment. For commercial systems under REU’s rapid shutdown requirements, we typically spec SolarEdge with panel-level monitoring, tuned for three-phase service. If you already have equipment on your roof, we’ll work with it, and we’ll tell you honestly whether repair or replacement makes better sense for a Roseville commercial building’s load profile.

Common Commercial Solar Installation Problems We See in Roseville

Roseville throws a specific set of challenges at commercial solar, and we’ve seen all of them more than once.

  • PG&E paperwork filed by mistake. Installers crossing the city line from Rocklin or Lincoln sometimes submit a PG&E interconnection application out of habit. REU rejects it immediately, and the permit timeline slips by weeks. We file REU’s forms from day one.
  • HOA design-review stall-outs in 95747. West Roseville’s business parks and mixed-use communities have architectural committees that review panel color, conduit routing, and array visibility. We pull the HOA pre-approval paperwork as a standard line item, not an afterthought.
  • Concrete S-tile labor underestimated. Westpark and Fiddyment Ranch commercial roofs are often concrete S-tile, which needs tile-replacement mounting hardware. Using comp-shingle racking assumptions from older 95661 and 95678 jobs blows the payback period on flat commercial roofs. We bid the actual roof you have.
  • Undersized inverters for Roseville heat. Summer highs over 104°F derate inverter output more than a spec sheet shows. We size for Roseville’s valley-edge climate, which sits at 160-200 feet elevation and moderates panel heat-soak slightly compared to Sacramento proper, but still pushes equipment hard.

Pricing for Commercial Solar Installation in Roseville, CA

A typical 50 kW commercial rooftop system in Roseville runs $95,000 to $140,000 before tax incentives. A 150 kW system lands between $185,000 and $220,000. Carport installations add 20-30% over rooftop pricing because of structural steel, foundation work, and City of Roseville engineering review. Commercial battery storage adds $30,000 to $75,000 depending on capacity and chemistry. Tile-replacement mounts on concrete S-tile roofs add roughly 8-12% to the racking and labor line items versus composition shingle. Bring us a bill, we’ll bring you the math. Call (877) 550-6892 and we’ll give you an exact number off your actual REU usage, not a brochure estimate. The price quoted is the price charged.

We Also Serve Cities Near Roseville

Our crews work throughout Roseville and the surrounding Placer County communities, including Rocklin, Citrus Heights, Antelope, and Granite Bay. Crossing the city line into Roseville means a different utility, a different permit queue, and a different set of HOA rules, and we keep all of that in our quoting from the first call. If you’re in a neighboring city and need commercial solar, the same crew and the same owner show up.

Serving Roseville, CA - Our Local Coverage Area

We’re based in the Roseville 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 Roseville

Talk to a Real Person About Commercial Solar in Roseville

If you own a commercial building in Roseville and you want straight numbers off your actual REU bill, call (877) 550-6892. You’ll get Gus or a member of his crew, not a call center. We’ll quote the system honestly, tell you what the HOA committee in 95747 will ask for, and give you the exact paperwork trail you need. Take two weeks. Think about it. If a salesman needs an answer tonight, the answer is no. That’s not how we work, and it never has been.

Written by Gus Petrakis, Owner at Gus’s Solar, serving Roseville commercial properties since founding the company in 2011.

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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