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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 Lewisville
Commercial solar installation in Lewisville typically runs $85,000 to $240,000 before incentives, depending on system size, roof condition, and whether your building needs a panel upgrade first. That panel upgrade question is the one most out-of-town installers don’t ask until the permit gets flagged. Gus’s Solar has been working Lewisville commercial roofs long enough to know the 75057 ZIP differently than a crew that drove up from Houston this morning.
We’re the local owner-operated shop that shows up when we say we will, quotes the year-25 output instead of the day-one brochure number, and tells you to take two weeks before you sign anything. Call (877) 550-6892 and a live person answers. Not a voicemail, not a call center. Gus Petrakis put his name on the truck for a reason.
Why Gus’s Solar Is Lewisville’s Preferred Commercial Solar Installation Company
We’re not a pop-up sales crew running a blitz through the DFW metroplex. Gus’s Solar was founded in 2011, and the owner’s name, address, and license number are published right out in the open. When a Lewisville business owner calls, they talk to Gus or one of his crew. When something goes wrong three years after install, the same people come back. That’s the L.O.C.A.L. code we operate by: Local roots, On time, Community first, Accountable, Loyal.
Our response time to Lewisville commercial properties is same-day for emergencies and within 48 hours for quotes. The dispatcher schedules from our Dallas-Fort Worth office, but the crews working your roof know the difference between a 75057 ranch-era commercial building and a 75077 tilt-wall warehouse. That local knowledge is not something you can fake with a satellite image and a sales script.
We’ve also seen what happens when a national outfit quotes a Lewisville job over the phone: they assume a 200-amp panel, assume a clean roof deck, assume the customer knows how Oncor’s deregulated market works. Then the permit gets hung up, the price changes, and the customer’s left holding a contract they didn’t agree to. We don’t work that way. Bring us a bill, we’ll bring you the math.
Our Commercial Solar Installation Services in Lewisville
Commercial Rooftop Solar
Rooftop solar on Lewisville commercial buildings starts with a structural assessment of what’s actually up there. The older core around downtown Lewisville in 75057 is heavy with 1970s and 1980s construction, low-slope rooflines, and aging composition shingles that hold heat. We quote the real thermal derating on those hot dark rooftops, not the lab-conditions output from a brochure. If the roof needs work, we’ll tell you before you sign, not after the panels are staged in the parking lot.

Warehouse & Industrial Solar
Warehouse and industrial solar in Lewisville means big flat roofs and big energy loads. The 75067 corridor along I-35E has tilt-wall and metal buildings with strong roofs and plenty of square footage, but you still need to account for the hail question. We’ll spec a system that survives a North Texas spring storm, not one that shatters into an insurance claim the first time golf-ball hail rolls through. That means Class 4 impact-rated modules, not whatever was cheapest on the pallet.

Solar Carport Installation
A solar carport in Lewisville does double duty: it generates power and shades vehicles from a July sun that pushes 100°F without blinking. For commercial lots with limited roof capacity or tenants who don’t want penetrations in their membrane roof, carports are often the cleaner play. We design them for the wind loads and hail exposure that Lewisville actually gets, not a generic spec pulled from a national playbook.

Commercial Battery Storage
Commercial battery storage pairs with your array to bank power for the hours when Oncor’s rates climb or the grid stutters. We work with FranklinWH and other reputable battery manufacturers, and we’ll size the system against your actual load profile from your utility bill. Not a guess. A lot of Lewisville businesses with refrigeration, server rooms, or production equipment lose real money in an outage. A battery changes that math.

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 Lewisville
We install and service equipment from Panasonic, Canadian Solar, JinkoSolar, FranklinWH, and several other manufacturers we’ve vetted over 29 years in the trade. For Lewisville commercial customers, that means parts availability is rarely a problem. We keep common components in local inventory, and when a warranty replacement is needed, we handle the claim instead of handing you a phone number and wishing you luck. If a hailstorm cracks a module on a warehouse off Business 121, you want a crew that can get it swapped before your production numbers crater for a quarter.
Common Commercial Solar Installation Problems We See in Lewisville
- The Federal Pacific Stab-Lok surprise. In the older 75057 neighborhoods around historic downtown Lewisville, electricians still find original Federal Pacific Stab-Lok or Zinsco panels quietly feeding power to buildings that have been standing for 40+ years. Those panels are flagged as fire hazards, and solar interconnection legally triggers a full replacement, which can add $2,000 to $3,500 to a job that was already quoted. We flag this on the first site visit, not at the permit counter.
- Quoting a 150-amp service assumption on a 1970s-era commercial building. Then discovering the panel situation above mid-permit. The budget blows up after the contract is signed, and the customer’s left angry at the installer for something that was discoverable from the start. That’s why our quoting process for Lewisville jobs starts with the electrical panel, not the roof.
- Spec-ing standard panels without Class 4 impact resistance. Lewisville sits in the North Texas hail corridor, one of the highest hail-frequency zones in the country. A low-slope commercial roof with standard modules is a shattered-module insurance claim waiting on the next spring storm. We won’t put that roof in that position.
- Failing to explain Oncor’s deregulated retail choice. Lewisville is in Oncor’s deregulated territory, which means the customer picks their own retail electric provider. Pick a default provider with lousy solar buyback, and the true-up statement shows near-zero credit, and the customer blames the installer for a bad production estimate. We walk every Lewisville customer through choosing a solar-buyback-friendly REP before the system goes live. It’s part of the job here.
Pricing for Commercial Solar Installation in Lewisville, TX
A typical commercial rooftop solar array in Lewisville runs $85,000 to $240,000 before the federal tax credit, depending on system size, roof condition, and whether your building needs a panel upgrade first. Smaller ground-mount systems on acreage properties in the 75077 ZIP start around $60,000. Carport installations land between $120,000 and $300,000 depending on how many bays you’re covering. Battery storage adds $15,000 to $90,000 based on capacity and whether you need whole-building backup or just critical loads.
What moves the number in Lewisville specifically: the age of your building. The 75057 stock from the 1970s and 1980s is more likely to need that $2,000 to $3,500 electrical panel replacement before interconnection. The 75067 and 75077 buildings from the 1990s and 2000s usually have 200-amp panels already, but those roofs are now 20 to 30 years old and often need a re-roof conversation alongside the solar quote. We don’t hide any of this. The number we quote is the number you pay. Estimates are free, and you can bring us your utility bill and we’ll build the math off your actual usage.
We Also Serve Cities Near Lewisville
Our commercial solar crews work throughout the Lewisville area, including Highland Village, Lake Dallas, Flower Mound, and Coppell. If your business is in one of those communities, the same local expertise applies. You can also learn more about our full Commercial Solar Installation team and how we approach larger projects, or see what serving Lewisville means to us specifically.
Serving Lewisville, TX - Our Local Coverage Area
We’re based in the Lewisville 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 Lewisville
Because the 75057 ZIP is dominated by 1970s and 1980s construction, an era when 100-amp electrical panels were standard, and many of those original panels are Federal Pacific Stab-Lok or Zinsco units that have been flagged as fire hazards. Solar interconnection legally triggers a full panel replacement to 200-amp service before the utility will approve the system. That upgrade typically adds $2,000 to $3,500 to a Lewisville commercial job. Any installer quoting that ZIP without checking the panel first is guessing. Call (877) 550-6892 and we’ll check it on the first visit, for free.
Lewisville sits in one of the highest hail-frequency zones in the United States, which means every commercial solar spec here should include Class 4 impact-rated modules. Standard panels on a low-slope commercial roof in a hailstorm are a shattered-module insurance claim waiting to happen. We won’t install anything less than Class 4 on a Lewisville commercial roof, period. It costs a bit more up front and saves you a production-killing claim later.
Lewisville is in Oncor’s deregulated market, which means you choose your own retail electric provider (REP), and your solar buyback rate depends on that choice. Denton operates as a municipal utility with its own net metering rules. In Lewisville, if you pick a default REP with poor solar buyback, your true-up statement will show near-zero credit and you’ll think the system underperformed. We guide every Lewisville commercial customer to a solar-buyback-friendly REP before the system goes live. That’s not a step installers in utility territories ever deal with.
Yes, and it’s a real consideration for 75077 acreage properties. A ground-mount array gets better airflow under the modules than a hot dark rooftop in July, which reduces thermal derating and improves real-world output. The trade-off is trenching and racking cost, which typically adds 10 to 20 percent to the installed price. For a business with available acreage and high daytime loads, the performance gain often justifies the extra cost. We’ll model both options with your actual usage data.
If a hailstorm cracks properly installed Class 4-rated panels, the manufacturer’s warranty typically covers replacement, but the labor to swap them often isn’t included unless you have a workmanship warranty from the installer. Gus’s Solar includes the 90-Day Done Right Promise on every job, and we handle warranty claims for Lewisville customers rather than handing you a phone number. If it’s not done right, Gus makes it right. Call (877) 550-6892 and ask us about the warranty specifics for the equipment we’re quoting you.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Lewisville since 2011.
Call (877) 550-6892 for a free commercial solar estimate in Lewisville. A live person answers, 24/7. No signature wanted tonight. Take two weeks. The price will be the same.






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