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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 Solar Panel Installation Across Windcrest
Most solar jobs in Windcrest take 4 to 6 weeks from signed agreement to system energization, but the real variable isn’t the panels. It’s the permitting. Windcrest is a tiny independent municipality completely encircled by San Antonio, so solar permits must be pulled through Windcrest’s own City Hall, not San Antonio’s Development Services Department, while interconnection applications still run through CPS Energy. Get that wrong and you’re looking at weeks of delay before anyone even climbs on your roof. We’ve been doing this long enough that we know exactly which desk to call at Windcrest City Hall and which CPS portal to file through. Call (877) 550-6892 and we’ll walk you through the whole thing, start to finish.
Key Takeaways:
- A typical rooftop solar installation in Windcrest runs $18,000-$32,000 before the federal tax credit, depending on system size and whether your home needs an electrical panel upgrade.
- Windcrest requires its own building permit through City Hall, separate from San Antonio, but interconnection runs through CPS Energy. Two agencies, one project.
- Most 1950s-1970s ranch homes in Windcrest have original 100-amp panels that need upgrading to 200 amps, which adds $2,500-$4,500 to the job.
- Gus’s Solar handles the dual-agency permitting and interconnection coordination in-house. One crew, one trip, no finger-pointing.
Why Gus’s Solar Is Windcrest’s Preferred Solar Panel Installation Company
Gus Petrakis started this company in 2011, and he puts his own name on the truck, the quote, and the work. That’s the difference between us and the out-of-state outfits that knock on doors in Windcrest every spring, pitch a number off a brochure, and sub the install to whoever picks up the phone. Gus’s own crew does the install. Every roof penetration gets flashed properly. Every panel gets torqued to spec. And if something isn’t right, the 90-Day Done Right Promise means one call brings Gus back. No ticket number, no escalation, no disappearing act.
Windcrest homeowners tend to be people who’ve lived in their homes for 20, 30, 40 years. They know their neighbors. They read the fine print. They’ve heard horror stories about solar companies that went bankrupt six months after the install, leaving homeowners with orphaned systems and no warranty support. Gus has been answering his own phone for over a decade. A live person picks up 24/7, not a voicemail, and not a call center three states away. When you call about a panel issue in the 78239 zip code, the person who answers knows where Windcrest is and probably remembers your street.
We don’t ask for a signature the night we give you a quote. Bring us a bill, we’ll bring you the math. Take two weeks, think about it, the price will be the same. If a salesman needs an answer tonight, the answer is no. That’s how we do business, and it’s why Windcrest homeowners keep referring us to their neighbors on Crestway, Midcrown, and Eagle Crest.
Our Solar Panel Installation Services in Windcrest
Solar System Design & Permitting
This is where Windcrest jobs live or die. We design systems around your actual usage, pulled from your CPS Energy bill, not a generic square-footage estimate. Then we pull the building permit through Windcrest City Hall and file the interconnection application through CPS Energy simultaneously. Contractors who don’t know Windcrest routinely file permits through San Antonio’s Development Services Department and stall the whole project. We’ve never made that mistake, and we fix it for homeowners whose previous installer did.
System design in Windcrest runs $800-$1,500 as a standalone service, but it’s included when you contract the full installation. The design phase includes a detailed roof assessment, shade analysis, panel layout, and a year-25 production forecast. Not the day-one brochure number. The real one, accounting for panel degradation and actual Bexar County sun hours.

Rooftop Solar Installation
Most Windcrest homes are single-story ranch-style houses built between 1955 and 1975, with composition-shingle roofs that have seen a lot of Texas sun. That’s actually a good roof for solar in most cases, because the low pitch makes panel mounting straightforward and the attic access is easy. But it also means we check the roof condition before we commit. If your shingles are near end of life, we’ll tell you, because installing panels on a roof that needs replacement in three years is a bad deal for you.
A typical rooftop installation in Windcrest, including panels, inverters, mounting hardware, and labor, runs $15,000-$26,000 for a 7-12 kW system. The federal tax credit knocks 30% off that. We quote the full price upfront, line by line, and the number you see is the number you pay.

Solar Panel Replacement
If you’ve got an existing system that’s underperforming or panels that have been damaged by hail, which isn’t unusual in Bexar County, we handle replacement. Windcrest homes with original systems from the early 2010s are hitting the point where older panels are degrading below useful output. We stock Qcells and REC panels locally, so replacement turnarounds are fast, and we handle the removal, disposal, and reinstallation without making you deal with the old hardware.

Roof-Mount & Tile Roof Solar
While most Windcrest homes have composition shingle roofs, we do see tile roofs on some of the larger properties near the Windcrest Golf Club and along the eastern edge of the city. Tile roofs need a different mounting system, and we use roof-specific flashing and hooks that don’t crack tiles. The mounting hardware for tile costs more, typically adding $800-$1,500 to a Windcrest job, but doing it wrong costs far more in leaks. We flash every penetration properly, and we stand behind the work.
For a full overview of what we do across the region, see our Solar Panel Installation page. This page is specifically about how that work plays out in Windcrest’s permitting environment and housing stock.

What happens when you call
- 1
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 Windcrest
We work with panels and inverters from Qcells, REC, and SunPower, and we pair them with Enphase microinverters or SolarEdge optimizers depending on your roof’s shading profile. Why those brands? Because they hold up in Texas heat, they carry strong warranties, and we can get replacement parts quickly for Windcrest customers. We don’t push a single brand. We size the system to your roof and your budget, then quote the equipment that fits. If you’ve already got a quote from another installer, bring it in. We’ll give you a free second opinion on any written estimate, and we’ll tell you honestly if it’s fair or if you’re being overcharged.
Common Solar Panel Installation Problems We See in Windcrest Homes
- The wrong agency got the permit. An installer pulls the building permit through San Antonio Development Services because they assume Windcrest is just a San Antonio neighborhood. It’s not. Windcrest is its own municipality with its own City Hall, and the permit has to come from there. This mistake adds two to four weeks to a project, minimum.
- The system wasn’t sized for holiday lighting loads. Windcrest is known statewide as ‘The City of Lights’ for its Christmas lighting tradition dating to the 1950s. Homes that go all-in on the display see their highest CPS Energy bills in November and December. If your solar system is sized for average monthly usage without accounting for that seasonal spike, you’ll end up with a big true-up statement in January. We ask about your lighting setup during the design phase.
- The 100-amp panel can’t handle the inverter. This is the single most common issue on Windcrest ranch homes with original electrical panels. Modern solar inverters need more headroom than a 100-amp panel can safely provide, and skipping the upgrade will trip breakers or fail inspection. We price panel upgrades into the quote upfront so there are no surprises later.
- Roof leaks from bad flashing. A crew hurries through the job and doesn’t properly flash the roof penetrations. Six months later, a hard Bexar County rainstorm finds the gap, and water gets into the attic. By the time the homeowner notices, the damage is done. Our crew flashes every penetration, on every job, without exception. And the 90-Day Done Right Promise covers it in writing.
Pricing for Solar Panel Installation in Windcrest, TX
Let’s talk real numbers. A rooftop solar installation in Windcrest typically runs $18,000-$32,000 before the 30% federal tax credit, depending on system size, panel brand, and whether your home needs a 200-amp panel upgrade. A 7 kW system using Qcells panels and a SolarEdge inverter runs roughly $18,000-$22,000. A 10-12 kW system with Enphase microinverters and higher-efficiency REC panels runs $26,000-$32,000. The panel upgrade, which most 1950s-1970s Windcrest homes need, adds $2,500-$4,500. Design and permitting adds $800-$1,500 if quoted as a standalone service. Solar panel replacement runs $200-$450 per panel including labor, depending on panel model and roof access. All of these numbers are before the federal tax credit, which takes 30% off the top. We don’t pad the quote. We’ll give you line items, and we’ll explain every one of them. Call (877) 550-6892 for a free estimate, and take two weeks to think about it. The price will be the same.
We Also Serve Cities Near Windcrest
If you’re in Converse, Live Oak, Kirby, or Universal City, the permitting story is a little different, because those cities have their own requirements, and some fall under San Antonio’s permitting jurisdiction for certain trades. But the basics of our work don’t change: honest pricing, our own crew, and a live person on the phone 24/7. To learn more about how we serve the broader region, visit our Solar Panel Installation in Windcrest page or give us a call. We’ll tell you straight what applies in your city.
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 Installation in Windcrest
You need a building permit from Windcrest City Hall, because Windcrest is a separate municipality entirely encircled by San Antonio but not part of it. San Antonio’s Development Services Department does not have permitting authority inside Windcrest city limits. Your installer needs to pull the permit from Windcrest, and they also need to file the interconnection application with CPS Energy, since Windcrest is in CPS territory. That’s two agencies, and we coordinate both for you as part of the job. If a contractor tells you San Antonio handles the permit, that’s a red flag that they haven’t worked in Windcrest before. Call (877) 550-6892 and we’ll make sure the right agency gets the right paperwork the first time.
Yes, most Windcrest homes built in the 1950s through 1970s still have their original 100-amp electrical panels, and most solar installations require a 200-amp panel. A 100-amp panel doesn’t provide enough capacity for a modern solar inverter’s output plus your household load. We include the panel upgrade in our quote upfront, and it typically adds $2,500-$4,500. We don’t discover it mid-job and spring it on you. The panel upgrade is a near-standard line item on Windcrest solar jobs, not an optional add-on.
Windcrest’s city-wide Christmas lighting tradition, which dates to the 1950s, means many homes run significant exterior lighting loads in November and December, which drives up their highest CPS Energy bills of the year by 30% or more. If your solar system is sized for your average monthly usage, you’ll still owe CPS a true-up payment after the holiday season. The fix is to size the system with the holiday spike accounted for, which may mean adding a panel or two beyond what a basic usage calculation suggests. We ask about your lighting setup during the design phase, because a system sized correctly for Windcrest, including December, pays off faster than one sized for a generic Texas suburb. Call (877) 550-6892 and we’ll walk through your actual bills.
Ask for the year-25 output number, not the day-one brochure spec. Most panels degrade at roughly 0.4% to 0.5% per year, which means a panel rated at 400 watts on day one produces roughly 360 watts in year 25. Qcells and REC panels both publish degradation rates around 0.4% annually, which is on the strong end of the market. Windcrest’s summer heat, which routinely exceeds 100°F, accelerates degradation slightly, so the brand’s published rate and the warranty terms matter. We quote the year-25 output, not the day-one number, because that’s the number you’ll actually live with.
CPS Energy does offer solar buyback through its net billing program, but the rate CPS pays for your excess solar production is lower than the rate you pay for grid electricity. That means you’re not getting a dollar-for-dollar credit in most cases. The practical effect in Windcrest is that you want your system sized to cover your daytime usage, especially in summer when air conditioning loads peak, rather than overproducing and selling excess power back at a low rate. And with Windcrest’s holiday lighting spike in December, you’ll want to watch your true-up statement closely. We design systems around your actual CPS bill history, so the math accounts for how CPS actually pays you, not how a brochure says it might.
Contact Gus’s Solar for Windcrest Solar Panel Installation
If you’re in Windcrest and you’re ready to talk solar, call (877) 550-6892. You’ll get a live person, not a voicemail. We’ll ask about your CPS Energy bill, your home’s age, whether you do the Christmas lights, and what your goals for solar actually are. Then we’ll give you a real quote with real numbers, and we’ll coordinate the Windcrest permit and the CPS interconnection so you don’t have to. Take two weeks. Think about it. The price will be the same. And if a salesman needs an answer tonight, the answer is no.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Texas since 2011.






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