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

Commercial Solar Installation in Temecula - 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 Temecula

Commercial solar in Temecula runs between $85,000 and $280,000 for most rooftop and ground-mount systems, and a proper clay-tile roof install here takes two to four weeks from permit to power-on. If you own a warehouse, winery, packing shed, or retail building in the 92590, 92591, 92592, or 92593 zip codes, you’re in Southern California Edison territory, which means your payback math changed when NEM 3.0 took effect. Our Commercial Solar Installation team lives and works in this valley, and we know exactly how the wind loads off the marine-air corridor and the tile roofs in Redhawk and Harveston change a commercial array’s engineering. Call (877) 550-6892 and Gus will come walk your roof himself, quote real numbers off your actual 12-month bills, and tell you to take two weeks before you sign anything.

Call (877) 550-6892

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

Gus Petrakis puts his name on the truck, on the permit, and on the year-25 output warranty you’ll actually read. That matters in a town like Temecula, where commercial property owners have watched out-of-state solar names open a booth at the Temecula Valley Balloon & Wine Festival, sell a dozen leases, then disappear when the first broken tile leaks into a tenant’s office. We’ve been a locally owned shop since 2011, with a published address you can drive past, a license number you can verify, and a live person who actually answers the phone at 2 a.m. when your inverter throws a fault. That’s not a marketing line. That’s our operating code: Local roots, On time, Community first, Accountable, Loyal.

Our crew is background-checked, uniformed, and employed by us. We don’t hand Temecula jobs to a subcontractor from another county. When a commercial roof on Wolf Creek Drive or a hillside parcel off De Luz Road needs tile hooks set and flashed correctly, the same team that started the job finishes it. And if anything isn’t right within 90 days, the Done Right Promise means one call brings Gus back. No ticket portal. No “your case has been escalated.” Just Gus.

Our Commercial Solar Installation Services in Temecula

Commercial Rooftop Solar

Most of Temecula’s commercial rooftops are concrete S-tile or flat clay tile over plywood decking, built to Spanish and Mediterranean design standards from the early 1990s through the late 2000s. That means a proper commercial rooftop solar job here is not a bolt-and-rail job. It’s a tile-hook mounting system set into the sheathing, with underlayment repair where the tiles have already cracked from foot traffic, and precision re-flashing at every penetration. We flash every mount point to the original roofing manufacturer’s detail. If your building is in the Harveston or Crowne Hill commercial corridors, you already know what broken tiles cost to replace. We plan for them up front.

Commercial Rooftop Solar

Warehouse & Industrial Solar

Warehouse and industrial facilities in Temecula’s business parks along Diaz Road and Winchester Road tend to be metal-deck or TPO membrane roofs with big, flat, open skylines. Those jobs typically pencil out between $120,000 and $280,000 for a 150 to 350 kW system, depending on your peak-demand profile and whether you run refrigeration, cold storage, or light manufacturing. The key in Temecula is pairing that array with battery storage so you’re not exporting at midday for pennies and buying back at SCE’s evening peak rates. We run the year-25 production numbers against your actual interval data from SCE, not a brochure assumption.

Warehouse & Industrial Solar

Solar Carport Installation

Solar carports in Temecula do two jobs at once: they shade employee and customer parking through 280-plus sunny days a year, and they turn an otherwise dead asset into a production plant. If your lot sits off Ynez Road or along the commercial stretches of Jefferson Avenue, you know July and August pavement heat is no joke. Carport structures here need wind-load calculations that account for the marine-air corridor’s episodic high-wind events, especially in Santa Ana season. We engineer to the site’s actual exposure, not a county minimum. Typical carport arrays in Temecula run $140,000 to $320,000 depending on bay count and foundation work.

Solar Carport Installation

Commercial Battery Storage

If you run a winery, avocado grove, packing operation, or any agricultural or food-processing business off Rancho California Road or De Luz Road, commercial battery storage is not an upsell. It’s the thing that makes your solar pencil. NEM 3.0 export rates in SCE territory are too low to justify a straight grid-tie system by themselves. Pairing your array with a FranklinWH or Tesla Powerpack sized to your peak-demand charges shifts your self-consumption up and your true-up down. We recently finished a 48-panel commercial rooftop array on a winery off Rancho California Road, where the 200A three-phase agricultural panel powered well pumps and drip irrigation for wine-grape operations. The crew used tile hooks on the clay-tile roof and paired the system with a Tesla Powerpack to shave peak-demand charges, cutting the operation’s true-up statement by nearly 40% while keeping the SCE interconnection process clean. A typical commercial battery add-on in Temecula runs $28,000 to $75,000 before incentives, and it often shortens the payback period by four to six years.

Commercial Battery Storage
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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 Temecula

We install and service Panasonic, Canadian Solar, JinkoSolar, FranklinWH, Enphase, SolarEdge, SunPower, Qcells, REC, and Tesla equipment, and we stock local inventory for Temecula commercial clients so a failed microinverter or a damaged panel doesn’t mean a two-week wait on a parts truck from Phoenix. If you already have a commercial array that’s underperforming and it’s built on Canadian Solar or JinkoSolar modules, we can service it. If you’re building new, we’ll spec the panel that holds up to Temecula’s UV load and Santa Ana wind events without overselling you on a brand premium that doesn’t show up in year-25 output.

Common Commercial Solar Installation Problems We See in Temecula

  • Underestimated wind-load calculations. Temecula’s valley position creates a natural marine-air corridor through a gap in the coastal mountain range, funneling Pacific breezes that turn into real wind events during Santa Ana season. Racking spec’d to county minimum on an exposed rooftop off Rancho California Road can experience uplift and panel edge damage within two seasons.
  • Broken concrete tiles from foot traffic. Mediterranean-style clay and S-tile roofs crack when walked on without proper load-spreading walkboards and tile hooks. A commercial landlord who skips proper tile replacement during install ends up with post-install leaks that erode tenant trust and generate service callbacks for years.
  • Skipping battery storage on agricultural panels. Wineries and avocado groves off De Luz Road and Rancho California Road run well pumps, irrigation controllers, and cold storage on 100A-200A three-phase agricultural service panels. A grid-tie-only array exports mid-morning production at NEM 3.0 rates and buys back at peak-demand rates after dark, which erases the payback period entirely.
  • Bad interconnection paperwork with SCE. Southern California Edison’s commercial interconnection queue requires clean single-line diagrams, accurate load letters, and correct meter collars. A botched application can delay a Temecula commercial PV project by four to eight weeks. We handle the full application, from initial load letter through permission to operate.

Pricing for Commercial Solar Installation in Temecula, CA

A typical commercial rooftop solar installation in Temecula runs $85,000 to $280,000 before incentives, depending on system size, roof type, and whether you’re adding battery storage. Solar carports run $140,000 to $320,000. Commercial battery storage add-ons run $28,000 to $75,000. Agricultural and ground-mount systems for wineries and groves run $110,000 to $260,000. What moves those numbers in Temecula specifically is clay-tile roof work (tile hooks, re-flashing, underlayment repair) and wind-load engineering upgrades on exposed valley rooftops. If a salesman quotes you a number without walking your roof and looking at 12 months of SCE bills, that number is fiction. Bring us a bill, we’ll bring you the math. Call (877) 550-6892 for a free estimate, and take two weeks to think about it. The price will be the same.

Serving Temecula, CA - Our Local Coverage Area

We’re based in the Temecula 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 Temecula

We Also Serve Cities Near Temecula

If your commercial property is in Murrieta, Wildomar, Fallbrook, or Menifee, we serve those areas too. Commercial Solar Installation in Temecula is our home base for the valley, but our crews work the whole southwestern Riverside County corridor, including the agricultural parcels between Fallbrook and De Luz. Call (877) 550-6892 and we’ll come walk your property wherever you are.

Written by Gus Petrakis, Owner at Gus’s Solar, serving Temecula since 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.

★★★★★

"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
★★★★★

"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

Current Offers

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