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 Solar Panel Repair Across Windcrest
If your solar array in Windcrest has stopped producing, or your inverter is throwing fault codes, we can usually be there the same day. Inverter replacement in Windcrest typically runs $1,800-$3,400 depending on brand and system size. Microinverter swaps are usually $350-$600 per unit. The catch in this city is that almost every repair that touches wiring or electrical components needs a permit from Windcrest City Hall, plus coordination with CPS Energy for the interconnection side. Gus’s Solar has been navigating that two-agency process since 2011, and we handle the paperwork so you don’t have to chase it. Call (877) 550-6892 for a straight answer about what’s wrong and what it will cost to fix.
Why Gus’s Solar Is Windcrest’s Preferred Solar Panel Repair Company
Windcrest is different from every other city around San Antonio, and we’ve learned that the hard way on plenty of jobs. The city has its own building department and its own permit process, completely separate from San Antonio’s Development Services. A contractor who doesn’t know that will file in the wrong place, sit on hold with the wrong office, and leave you with a dead system for an extra week while it gets sorted out. We know which desk to call at Windcrest City Hall and which form CPS Energy needs for the interconnection record.
Gus Petrakis founded this company to be the opposite of the door-knockers and the out-of-state installers who vanish after the sale. His name is on the truck, the building, and every job we do. When a Windcrest homeowner calls us about an orphaned system that another company abandoned, we show up, figure out what failed, and give them a written repair plan. No pressure, no “sign tonight” tactics. Take two weeks. Think about it. The price will be the same.
Our crew includes background-checked, uniformed technicians who do their own work. We don’t subcontract. When someone from Gus’s Solar is on your Windcrest roof, you know exactly who they are before they get there. And the phone is answered by a live person 24/7, not a voicemail or a call center three states away. If your system drops offline at 9 PM and you call, a human picks up.
If a salesman needs an answer tonight, the answer is no. That’s the standard we’ve grown up with, and it’s why Windcrest homeowners keep our number.
Our Solar Panel Repair Services in Windcrest
Inverter Repair & Replacement
Windcrest’s mid-century ranch homes have a specific problem with inverters. Original 1950s-70s roof decking traps heat around wall-mounted string inverters in garages and utility rooms, and those attics routinely exceed 140°F in July and August. Sustained heat like that shortens inverter life dramatically. We replace failed string inverters from SolarEdge, Enphase, Tesla, and others, and we always check the thermal environment before bolting in a new unit. Sometimes a shift to a cooler mounting location adds years to the equipment. A typical string inverter replacement in Windcrest runs $1,800-$3,400 installed.
Microinverter Replacement
Homes in Windcrest’s older neighborhoods like Quail Run and Brookhollow commonly have microinverter systems that were installed on 10- or 15-year-old composition shingle roofs. Squirrels nest in the original eaves and chew the wiring, and one bad microinverter can drag down the neighborhood of modules around it. Each unit swap is usually $350-$600, but the bigger issue on these older homes is whether the original 100-amp panel can isolate the PV circuit safely. We’ll tell you straight if a panel upgrade is required before we touch the microinverter.
Wiring & Connector Repair
Loose MC4 connectors, corroded junction boxes, and heat-damaged wiring runs are common in Windcrest. The city’s “City of Lights” tradition means many homes have supplemental exterior circuits for holiday lighting, and we’ve seen rooftop junction boxes with corrosion from years of electrical load cycling every November and December. We trace the run, replace what’s fried, and re-torque every connection. Wiring repairs generally run $250-$800 depending on access and length of damaged run.
Panel Replacement After Damage
Windcrest gets hail. Composition shingle roofs on 1960s ranches don’t absorb impact well, and solar panels take direct hits. A cracked panel might still produce partial power for months before it fails entirely. Replacement panels for Qcells, REC, SunPower, and Panasonic systems run $450-$900 per panel installed, depending on wattage and racking compatibility. We also match older panels when full-system replacement isn’t justified. If your array was installed by a company that’s no longer around, we can take over the entire system.
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.
Roof Leak Repair Around Mounts
This is the repair we get called for most often on Windcrest’s 1950s-70s homes. When a national installer flashes a roof penetration wrong, or uses sealant that’s not rated for Bexar County’s heat cycling, the leak shows up months or years later. We remove the affected mounts, replace the flashing, reseat the panels, and repair the shingle damage. Roof leak repair around solar mounts in Windcrest typically runs $400-$1,200 depending on how many penetrations are failing. If you see water stains on the ceiling below your array, don’t wait, because wood rot on original decking compounds fast.
Trusted Brands We Service in Windcrest
We repair and replace equipment from Qcells, REC, SunPower, and Panasonic, plus the inverter brands most common in this area: SolarEdge, Enphase, and Tesla. Because Windcrest’s housing stock is older, many systems from the early 2010s used SunPower panels with SolarEdge string inverters, and we keep common replacement parts in our local inventory. That means a faster turnaround when a module or inverter fails. If you have a brand we didn’t list, call (877) 550-6892 and ask. Chances are we’ve worked on it.
Common Solar Panel Repair Problems We See in Windcrest Homes
- Inverter failure from sustained attic heat: Wall-mounted string inverters on mid-century ranch homes sit in garages that bake all summer. The thermal stress shortens capacitor life. We see this exact failure pattern constantly on homes built between 1955 and 1975.
- Microinverter drop-outs from squirrel-chewed wiring: Original eaves from the 1950s and 60s have gaps perfect for squirrel access, and they go straight for the PV cabling. One chewed home run can take down a whole branch of microinverters.
- Rooftop junction box corrosion from holiday lighting loads: Windcrest’s city-wide Christmas lighting tradition means exterior circuits push hard every November and December. Older rooftop junction boxes near arrays bear the brunt, and we replace corroded ones regularly.
- Electrical panel undersizing on 100-amp services: Most Windcrest homes still have their original 100-amp panels. Modern inverters and battery storage often can’t be safely added without a 200-amp upgrade, and a dead system won’t pass a proper repair inspection until that’s addressed.
Pricing for Solar Panel Repair in Windcrest, TX
- Diagnostic visit: $95-$150, credited toward the repair if we do it
- Inverter replacement: $1,800-$3,400
- Microinverter replacement: $350-$600 per unit
- Panel replacement after damage: $450-$900 per panel
- Wiring repair: $250-$800
- Roof leak repair around mounts: $400-$1,200
What changes the number is mostly access, system age, and whether your original 100-amp panel can isolate the PV circuit. We don’t quote one number and charge another. The estimate we give you is the number you pay, period. We also offer a Senior and Veteran 10% discount that never expires, $40 off any repair over $200, and a free second opinion on any written estimate you’ve received from another company. There’s no trip charge for Windcrest residents, because this is our own county. Call (877) 550-6892 for an exact price based on your specific system.
We Also Serve Cities Near Windcrest
If you’re just outside Windcrest in Converse, Live Oak, Kirby, or Universal City, we cover those areas too. Our crews serve the whole northeast Bexar County corridor, and the same pricing and permit knowledge applies. See our Solar Panel Repair service page for more on what we repair, or visit our Windcrest page for the city-specific details.
Serving Windcrest, TX - Our Local Coverage Area
We’re based in the Windcrest 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 - Solar Panel Repair in Windcrest
Do I need a Windcrest permit to replace a failed inverter, or does San Antonio handle it?
You need a permit from Windcrest City Hall, not San Antonio’s Development Services Department. Windcrest is its own municipality, completely enclosed by San Antonio but jurisdictionally separate. Any repair that touches wiring, disconnects, or the inverter itself requires a Windcrest building permit, plus coordination with CPS Energy because they still manage interconnection for this area. Contractors who don’t know this file in the wrong place and delay the job. We handle both sides. Call (877) 550-6892 and we’ll start the paperwork the same day.
My 1960s Windcrest home still has a 100-amp panel. Can you replace a failed microinverter without upgrading it?
It depends on how the system was originally wired and whether the PV circuit is properly isolated. Many 1960s Windcrest homes with original 100-amp panels can have a single microinverter swapped without a panel upgrade, as long as the existing disconnect and breaker configuration meet code. But if the panel is undersized for the array, or the rapid shutdown circuit can’t be isolated, we’ll tell you before starting the work. We don’t charge to come out and assess, no trip charge for Windcrest residents. Call (877) 550-6892 and we’ll look at your specific setup.
Why does my roof leak start after panels were installed on my older Windcrest shingle roof?
Almost always it’s a flashing failure at the roof penetrations. Older composition shingle roofs on Windcrest’s mid-century homes have less flexibility, and if the original installer used the wrong sealant or didn’t flash the mounts properly, the thermal expansion over Bexar County summers opens gaps that let water in. We remove the affected mounts, ref lash each penetration, and repair the shingle damage. In Windcrest, roof leak repair around solar mounts typically runs $400-$1,200. Call (877) 550-6892 to schedule a look before the leak spreads.
My solar isn’t producing and my CPS Energy bill shows no credit. Can you take over a system another company abandoned?
Yes. We take over orphaned systems in Windcrest regularly. Usually it means diagnosing the failure, confirming the CPS Energy interconnection agreement is still active, pulling the necessary Windcrest permit, and performing the repair. We’ve done this for homeowners in Quail Run, Brookhollow, and across the 78239 zip code. If your original installer is out of business or unresponsive, call (877) 550-6892. We’ll bring your system back online and verify it against your last CPS Energy true-up statement, so you know it’s actually producing.
Will you reset my net metering if you replace my panel or inverter?
We coordinate the entire repair with CPS Energy so your net metering and interconnection stay intact. When we replace an inverter or panel, we file the updated equipment information with CPS Energy and confirm your production credit continues. On Windcrest homes, that means handling both the city permit and the utility paperwork so nothing lapses. We verify the new equipment’s expected output against your actual utility bill history. Call (877) 550-6892 for a free estimate on any repair, and we’ll walk you through exactly what your system should be producing.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Windcrest and surrounding Bexar County communities since 2011.
If your solar array in Windcrest is down, call (877) 550-6892. We’ll answer the phone, schedule a visit, and give you a straight number before any work begins.






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