Free bill analysis - bring a power bill, get the production math for your actual roof, panel brands like Qcells and REC compared side by side
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 Melissa
Commercial solar installation in Melissa typically runs $85,000 to $240,000 for a complete system before incentives, with most warehouse and office projects landing between $2.10 and $2.65 per watt installed. That’s the honest range, and we’ll stand behind it once we see your actual electric bills and roof measurements. At Gus’s Solar, we’ve spent years working with business owners across Melissa, from the industrial buildings off Melissa Road to the retail spaces along Highway 5, and we know what the permitting office, the HOA boards, and Oncor’s interconnection queue will each require before a single panel goes up. If you’re ready to see real numbers for your building, call us at (877) 550-6892 and we’ll come out, measure, and bring you the math.
Why Gus’s Solar Is Melissa’s Preferred Commercial Solar Installation Company
Gus Petrakis founded this company in 2011, put his own name on the truck, and published his address and license number so you can verify exactly who you’re dealing with before anyone climbs on your roof. That matters in Melissa, where a lot of solar sales crews roll through the newer subdivisions and office parks, quote a number, and disappear back toward Dallas the same afternoon. We’re not that operation. Dispatch and scheduling are coordinated from our Dallas-Fort Worth office, and our crews serve Melissa locally, but Gus is the one accountable on every job, and a live person answers our phones 24/7, not a voicemail queue.
Our Melissa customers tend to tell us the same three things. They like that we quote the year-25 output, not the day-one brochure number. They like that the price quoted is the price charged, with no signature wanted tonight and no follow-up call pressuring them to decide before the weekend. And they like that the crew doing the install is background-checked, uniformed, and employed by Gus, not handed off to a sub who may never have worked in Collin County before. If a salesman needs an answer tonight, the answer is no. Take two weeks. Think about it. The price will be the same.
Our Commercial Solar Installation Services in Melissa
Every commercial building in Melissa has its own roofline, its own electrical service, and its own HOA or property standards to satisfy. Here’s what we handle most often for businesses in the 75454 zip code and the surrounding Collin County commercial corridors.
Commercial Rooftop Solar
Most of the flat and low-slope commercial roofs we see in Melissa were built during the 2010s and 2020s construction boom, which means the membrane is relatively young but the roof was never designed with solar in mind. We flash every penetration properly, ballast where the roof structure allows it, and run conduit routes that respect fire setbacks and future maintenance access. Because Melissa’s streets were platted at varied angles during that growth spurt, most commercial rooftops face southeast or southwest rather than true south. That doesn’t disqualify your building. It does mean we model production by your actual azimuth, not a generic south-facing assumption, so the kWh offset you’re quoted is the offset you actually get.

Solar Carport Installation
If your Melissa property has parking that sits empty in the afternoon sun, a solar carport does two jobs: it shades vehicles and generates power on land you already own. Carports also sidestep a lot of the rooftop constraints we see on Melissa’s newer commercial structures, including complex hip-and-valley rooflines and HOA limits on roof-mounted equipment visibility. The permitting path is different, the structural engineering is different, and the payback often beats a rooftop array when you factor in avoided asphalt degradation and employee comfort. We’ve installed carports at office parks and distribution buildings around Fairview and McKinney too, so we know what Collin County wind loading requires before you get to the permitting counter.

Commercial Battery Storage
Oncor’s territory serves Melissa, and commercial demand charges can make up a surprising share of a monthly bill, especially for businesses running refrigeration, fabrication equipment, or server rooms during peak afternoon heat. A commercial battery system paired with your solar array lets you discharge during those expensive demand windows instead of pulling from the grid at peak rates. One recurring mistake we see in Melissa is buildings that weren’t pre-wired for batteries during the initial solar install, which later forces trenching through finished parking lots and triples the upgrade cost. If there’s any chance you’ll add storage within five years, we’ll run the conduit now while the ground is already open and save you that headache. We work with FranklinWH for commercial storage, alongside the same Enphase and SolarEdge ecosystems we use on rooftop systems.

Commercial Rooftop Solar Maintenance
Melissa sits squarely in North Texas’s spring hail corridor, and golf-ball-sized hail can crack a standard-rated panel and void its warranty before you’ve finished paying off the system. We handle post-storm inspections, panel-level diagnostics, inverter health checks, and production monitoring for commercial systems throughout Collin County. If your system’s output has dropped and you can’t tell whether it’s a panel, an inverter, or a monitoring configuration issue, call us. We’ll come out, run the diagnostics, and tell you straight what needs fixing and what doesn’t. Our Commercial Solar Installation team also handles warranty claims with the manufacturer so you’re not navigating that paperwork alone.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
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 Melissa
We install and service equipment from the brands that hold up under Texas sun and hail: Qcells, REC, SunPower, and Panasonic, paired with Enphase and SolarEdge inverters and monitoring. We keep common replacement components in stock locally for Melissa customers, which means when a single panel fails after a spring storm or an optimizer drops offline, we’re not waiting on a freight shipment from a warehouse three states away. For commercial rooftops with complex azimuths reflected in our Melissa service area work, we often spec Qcells Q.PEAK DUO panels with Enphase microinverters because they handle partial shading from dormers and parapets better than a central string inverter on those varied street orientations.
Common Commercial Solar Installation Problems We See in Melissa
- Quoting from a due-south production model when the actual roof faces southeast or southwest. This is the most common failure mode across Melissa’s commercial buildings, and it leaves the customer with a payback period two to four years longer than promised. Honest production modeling by azimuth, using satellite irradiance data, is the only way to get a true kWh offset number.
- Waiting until after racking is installed to submit for HOA architectural review in a Melissa subdivision business or office park. Many of the newer commercial properties in Melissa fall under community design committees that require specific panel tilt, setback from roof edges, and even color constraints. If the review happens after install, you’re ripping and re-fitting panels at your own expense.
- Specifying standard-rated panels that crack during a spring hailstorm. Collin County’s hail corridor makes IEC 61215 Class 4 impact-resistant panels a practical necessity, not an upsell. A standard panel that fails in a hailstorm can void the warranty and force a full replacement out of pocket.
- Failing to pre-wire for battery storage during the initial conduit run. At a warehouse off Melissa Road, our crew found the primary roof plane at 155 degrees azimuth with a 6.2 kW SolarEdge system already quoted from a south-facing assumption. We re-ran the production estimate using satellite irradiance data and landed on Qcells panels with microinverters to work around three separate hip valleys, delivering a degradation rate of 0.5% and a true-up statement that matched our model within 2% after the first year. The same principle applies to conduit: if you think you might add batteries later, run the wire now.
Pricing for Commercial Solar Installation in Melissa, TX
Here’s what we tell Melissa business owners to expect, in straight numbers. A small commercial rooftop system on a 10,000 square foot building typically runs $85,000 to $130,000 before federal tax credits and depreciation. Mid-sized warehouse systems land between $130,000 and $190,000. Solar carport installations run higher per watt because of the steel structure and concrete work, typically $3.10 to $3.80 per watt installed, while ground-mount agricultural systems on rural properties outside Melissa’s core subdivisions run $2.40 to $2.90 per watt. Commercial battery storage adds $14,000 to $38,000 depending on capacity and whether conduit was pre-wired. Bring me a bill, I’ll bring you the math; every Melissa quote is built off your actual usage data and Oncor rates, not a brochure estimate. Call (877) 550-6892 and we’ll give you a free estimate with no trip charge inside Collin County.
| Melissa Commercial Solar Project | Typical Installed Cost Range |
|---|---|
| Small office rooftop (5,000-12,000 sq ft) | $85,000 – $130,000 |
| Mid-size warehouse rooftop | $130,000 – $190,000 |
| Solar carport (per covered space) | $3.10 – $3.80 per watt |
| Ground-mount agricultural system | $2.40 – $2.90 per watt |
| Commercial battery storage (add-on) | $14,000 – $38,000 |
These ranges assume no major electrical panel upgrade and no structural reinforcement. If your building needs either, we’ll tell you before you sign, not after the crew shows up.
We Also Serve Cities Near Melissa
Our commercial crews regularly work in Melissa and the surrounding Collin County communities, including Fairview, McKinney, Princeton, and Celina. If your business sits just outside the 75454 zip code, chances are we’ve already done work on your street and we know the local permitting office and HOA landscape just as well. Call us and we’ll confirm coverage for your exact address.
Serving Melissa, TX - Our Local Coverage Area
We’re based in the Melissa 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 Melissa
Most commercial properties in Melissa’s newer subdivisions and office parks fall under a community design committee that requires architectural review before any roof-mounted equipment goes up, and that review typically takes 2-4 weeks depending on the community’s meeting schedule. We handle the submission for you, including panel specs, tilt angles, setback drawings, and color selections that match the community’s standards, and we won’t start racking until the approval is in writing. Call (877) 550-6892 and we’ll tell you exactly what your specific HOA requires and how it shifts your timeline.
Yes, a southeast-facing roof in Melissa will still produce roughly 85-92% of what a due-south orientation would yield annually, which is usually enough to make the economics work if the system is modeled honestly from the start. The problem arises when an installer quotes production based on a south-facing assumption and the actual numbers never materialize. We model production by your actual azimuth and tilt, so the kWh offset on your quote matches what your true-up statement shows after year one.
Melissa sits in Collin County’s spring hail corridor, where golf-ball-to-baseball-sized hail is a recurring threat, so we recommend IEC 61215 Class 4 impact-resistant panels for any commercial rooftop system here. Standard-rated panels can crack in a severe hailstorm, and most manufacturers will void the warranty on impact damage if the panel wasn’t rated for it. Class 4 panels cost more upfront, but they’re cheaper than a full replacement out of pocket after a March storm. Call us for an exact quote with Class 4 panels included, no obligation.
Yes, you can add battery storage to an existing commercial solar system in Melissa even if conduit wasn’t pre-wired, but the cost will be higher because trenching through finished parking lots or landscaped areas adds $4,000 to $9,000 in most cases. If you’re planning a new solar install now and think you might add batteries within five years, pre-wiring during the initial conduit run saves you that trenching cost entirely. Call (877) 550-6892 and we’ll assess your current system and give you a straight number either way.
Melissa is in Oncor’s service territory, and current net metering rates credit excess solar production at a lower buyback rate than what you pay for grid power, which means the real value comes from offsetting your own consumption rather than banking credits. That makes accurate production modeling and right-sizing the system to your actual load profile more important than maximizing panel count. We build every Melissa commercial system around your 12-month usage history so you’re offsetting the right percentage without overbuilding. Call us for a free bill review and we’ll show you the exact math.
Contact Gus’s Solar for Commercial Solar Installation in Melissa
If you own or manage a commercial building in Melissa, call Gus’s Solar at (877) 550-6892 for a free estimate. We’ll come out, measure your roof, check your electrical service, and walk you through real production numbers based on your actual azimuth and Oncor billing data. No pressure, no signature wanted tonight, and the price we quote is the price you pay. Gus Petrakis answers his own phone, and if something isn’t right after install, one call brings him back. That’s the 90-Day Done Right Promise, in writing on every commercial solar job we do in Melissa.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Melissa, TX and Collin County since 2011.






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