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 Denton
Commercial solar installation in Denton typically runs $2.10 to $2.85 per watt before incentives, so a 100kW warehouse system lands between $210,000 and $285,000, with most projects reaching permit-to-energize in eight to fourteen weeks when both approvals are filed correctly. We’re a locally owned shop run by Gus Petrakis, and we answer the phone when you call at (877) 550-6892. If you run a warehouse, retail building, or manufacturing facility anywhere in Denton County, the solar math here is different than in the Oncor suburbs around us, and getting the paperwork wrong costs weeks. We know because we do this work here every week.
Why Gus’s Solar Is Denton’s Preferred Commercial Solar Installation Company
We’re not a national outfit that parachutes in for a sales pitch and hands the install to a subcontractor. Gus Petrakis puts his name on the truck, publishes his license number, and has been doing this since 2011. When a commercial roof in Denton needs a solar array, it’s Gus’s own crew on the roof, background-checked and uniformed, flashing every penetration properly. That matters on a flat TPO roof off Loop 288 or a standing-seam metal roof out by Denton Enterprise Airport.
Our Commercial Solar Installation work in Denton gets the same treatment whether it’s a 40kW office array or a 250kW distribution center. We quote the year-25 output off your actual meter data and DME bill, not a brochure. If a salesman needs an answer tonight, the answer is no. Take two weeks. The price will be the same. That’s how Gus has run things for 29 years in local communities, and how he runs it here in Denton too.
Denton business owners have a right to know who’s on the roof before the crew shows up. Our technicians are background-checked, uniformed, and answer to one person: Gus. No call center, no ticketing portal. A live person answers 24/7 at (877) 550-6892.
Our Commercial Solar Installation Services in Denton
Commercial Rooftop Solar
Flat and low-slope commercial roofs dominate Denton’s retail and industrial corridors, from the Loop 288 commercial strip to the warehouses along Jim Christal Road. We install ballasted and mechanically attached rooftop arrays sized to your building’s actual load profile. On a typical Denton warehouse, the array offsets 85 to 95 percent of annual kWh usage when we size it off twelve months of DME billing data.

Warehouse & Industrial Solar
Denton’s 76208 corridor is packed with distribution and light-industrial buildings that run big HVAC loads all summer. A warehouse pulling 80,000 kWh a month in July has a solar payback window here that is shorter than almost anywhere else in North Texas because DME’s commercial rates climb steeply in summer months. We size warehouse arrays against your peak demand charges, not just your energy charges, because that’s where the real savings hide.

Commercial Battery Storage
DME’s commercial demand charges can be the single largest line item on a Denton business utility bill. A FranklinWH or similar commercial battery system paired with solar lets you shave those demand peaks and ride through the brief outages that come with Denton’s storm season. For a commercial building in the 76210 corridor running refrigeration or always-on equipment, battery storage typically adds 30 to 40 percent to the project cost and cuts the payback window by two to three years. If the grid goes down, a battery-backed system keeps designated circuits running, we configure the smart-load setup for each facility during installation.

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 Denton
We install and service commercial equipment from Panasonic, Canadian Solar, Qcells, Enphase, SolarEdge, and FranklinWH, and we stock common replacement parts locally so a failed microinverter or combiner box in Denton doesn’t wait on a freight shipment from California. For commercial roofs in Denton’s hail corridor, we steer customers toward panels with IEC 61215 hail-impact ratings and 25-year linear performance warranties. Panasonic and Canadian Solar both make commercial-grade modules that meet that standard without the premium you’d pay for a household brand name.
Common Commercial Solar Installation Problems We See in Denton
- The missing DME interconnection application. A contractor files the City of Denton building permit through Development Services and stops there. The DME interconnection application never gets filed, and the project sits dead for three to five weeks. We file both at kickoff, every time.
- Undersized electrical service on older commercial buildings. Older commercial properties in the 76201 and 76205 areas, built in the 1960s through 1980s, often carry 100-amp or 200-amp services that can’t handle a modern inverter’s output. We check the service size during the first site visit, before you commit a dollar.
- Panels that can’t take Denton hail. Denton sits in a North Texas hail corridor where large-hail events regularly track through Denton County. Panels without IEC 61215 hail-impact certification can crack cells, lose output, and trigger ugly warranty disputes. We won’t spec them.
- One-size-fits-all net metering assumptions. DME’s buyback structure is not Oncor’s. A quote built on Oncor export rates will overstate your payback. We run the math off your actual DME bill and DME’s current interconnection terms.
Pricing for Commercial Solar Installation in Denton, TX
Commercial rooftop solar in Denton runs $2.10 to $2.85 per installed watt before federal tax credits and any applicable DME incentives. A 50kW retail or office array is $105,000 to $142,500. A 100kW warehouse system is $210,000 to $285,000. A 250kW industrial array on a distribution center is $525,000 to $712,500, and at that scale the per-watt price drifts toward the lower end because racking and labor costs spread over more modules. Commercial battery storage in Denton adds roughly $900 to $1,200 per kWh of storage capacity, so a 40kWh FranklinWH system adds $36,000 to $48,000 to the project. These are turnkey numbers: equipment, installation, permits, DME interconnection filing, and commissioning. Bring me a bill, I’ll bring you the math. Call (877) 550-6892 for a free estimate with no signature wanted tonight.
We Also Serve Cities Near Denton
Gus’s Solar serves Commercial Solar Installation in Denton and the surrounding communities including Corinth, Lantana, Flower Mound, and Lake Dallas. If your business sits just outside the city limits in unincorporated Denton County, we still come out, and if you’re inside our own county there’s no trip charge.
Serving Denton, TX - Our Local Coverage Area
We’re based in the Denton 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 Denton
Denton is served by Denton Municipal Electric, the city’s own utility, not Oncor. That means your commercial solar project requires a building permit through the City of Denton’s Development Services office and a separate interconnection application filed with DME’s energy services team. Each has its own timeline and its own inspection. We file both simultaneously at project kickoff so neither one stalls the other. If a contractor files only the city permit, expect a three-to-five-week delay before DME will energize the system. Call (877) 550-6892 and we’ll walk you through the exact paperwork your building needs.
Yes, unless you have battery storage. A grid-tied commercial solar system without batteries shuts down automatically when the grid drops, this is a required safety feature called anti-islanding and it protects DME line workers. If you want your warehouse or retail operation to keep running through a Denton storm outage, we pair the array with a FranklinWH battery system sized to your critical loads. We configure the backup circuits during installation so refrigeration, security, and IT stay up while nonessential loads shed.
DME buys back excess commercial solar generation at a rate that is lower than what you pay for the energy you pull, so your payback is strongest when the array is sized to offset as much of your actual consumption as possible without exporting heavily. That’s why we size Denton commercial systems off twelve months of your actual DME billing data and your year-25 output, not a day-one brochure number. Overbuilding for export rarely makes sense under DME’s structure. Bring us a bill and we will show you the honest payback math.
Denton logs roughly 225 to 230 sunny days a year with summer highs above 100°F, but the real risk to a commercial array here is large hail. Require panels with IEC 61215 hail-impact certification and a 25-year linear performance warranty that covers hail damage explicitly. Panasonic and Canadian Solar both manufacture commercial modules that meet that threshold. We also recommend inverters with per-module monitoring so a hail-damaged panel shows up as an individual data point, not a mystery output dip across the whole string.
Yes. Commercial solar installations in Denton must meet the rapid shutdown requirements in the current National Electrical Code, which the City of Denton enforces through its permitting process. That means module-level power electronics that drop voltage to safe levels within seconds of a shutdown command. We install Enphase microinverters or SolarEdge optimizers on virtually every commercial roof in Denton because both satisfy rapid shutdown and give us per-module monitoring, which pays off during warranty season after a hailstorm. Call (877) 550-6892 if you want us to review the compliance status of an existing array.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Denton and the surrounding communities since 2011.






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