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 Installation Across Lakeway
Solar panel installation in Lakeway runs $24,500 to $48,000 before incentives for most custom Hill Country homes, with the federal tax credit taking 30% off that number. We finish most residential installs in two to four days once permits clear. Call (877) 550-6892 and we’ll walk your actual utility bill through the math, no brochure figures and no signature needed tonight.
Lakeway is not Austin. The houses are bigger, the rooflines are more complicated, the oak canopy is thicker, and your utility is Pedernales Electric Cooperative, not Austin Energy. Those four facts change how a solar system should be designed here, and they are exactly why homeowners in Rough Hollow, Serene Hills, and the original resort-era streets around the lake call Gus’s Solar instead of a crew that mostly works flat suburban rooftops.
Why Gus’s Solar Is Lakeway’s Preferred Solar Panel Installation Company
Gus Petrakis put his name on the truck in 2011 and has kept it there. When you call our office, a live person answers. When we quote a system for your Lakeway home, we quote the year-25 output, not the day-one brochure number. And when something does not look right after install, one phone call brings Gus back, in writing, under our 90-Day Done Right Promise.
We work in Lakeway regularly, which means we already know what the PEC interconnection queue looks like this month, which HOA design-review boards want panel layouts drawn a certain way, and how much shade a mature live oak on the west side of a 1970s lot will actually cost you in annual production. That knowledge goes into your design before we ever put a ladder on your roof. It is not the kind of thing a door-knocker with a tablet and a one-size-fits-all proposal can replicate.
We are locally owned and owner-operated. Our technicians are background-checked, uniformed, and they are our own crew, not a subcontractor we met last week. If you want a second opinion on a written estimate from another company, we will give you one free. Bring us a bill, we will bring you the math.
Our Solar Panel Installation Services in Lakeway
Every home we serve in 78738 gets a system built around its actual roof, its actual shade, and its actual utility rate structure. That means the services below are not add-ons. They are where the real work happens. For the full picture of how we approach projects, see our Solar Panel Installation process.
Rooftop Solar Installation
Most Lakeway roofs are hipped, multi-gabled, or steeply pitched metal and tile, which means panel layout is a custom job every time. We design around vent stacks, cupolas, chimneys, and the six-plane rooflines common in Rough Hollow and Serene Hills instead of pretending every roof is a simple rectangle. The install itself is clean, flashed properly at every penetration, and walked with you before we call it done.

Solar System Design & Permitting
This is where Lakeway projects win or lose. We model your production per-parcel using actual LIDAR shade data, not a city-wide average, because an east-facing slope off Lakeway Boulevard produces very differently than a west-facing ridge lot. Then we handle the Lakeway permitting package and the PEC application in the right sequence so your approval timeline does not stall the whole project. If a design will not pencil out under PEC’s current excess-generation credit rate, we tell you that before you spend a dollar.

Solar Panel Replacement
If you bought a home in Lakeway that already has solar, or if your original installer is no longer answering the phone, we replace panels, inverters, and monitoring hardware on existing systems. We work with the major brands your system is likely built on, including Enphase, SolarEdge, and Tesla equipment. And because we are local, we can usually be on your roof within a few days, not a few weeks.

Roof-Mount & Tile Roof Solar
Tile roofs show up a lot in Lakeway’s custom Mediterranean builds, especially around Rough Hollow. They require a different mounting approach than composition shingle, and a crew that has only ever drilled into asphalt can crack tiles and walk away. Our installers have done enough tile-roof work in this area to know how to lift, mount, and reseat without leaks. Same goes for standing-seam metal roofs, which we see on a growing number of newer Hill Country homes.

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 Lakeway
We install and service systems built on equipment from Tesla, Enphase, SolarEdge, Qcells, and FranklinWH. For Lakeway homeowners, that matters because PEC’s interconnection process and time-of-use rate structure make microinverter-based systems from Enphase particularly attractive on shaded or multi-plane roofs, while FranklinWH batteries pair well when you want whole-home backup that does not depend on PEC’s buyback rate. We stock common replacement parts locally and do not make you wait on a distributor three states away when a microinverter fails.
Common Solar Panel Installation Problems We See in Lakeway Homes
- Designing for Austin Energy’s Value of Solar tariff instead of PEC’s rate. A system sized for Austin net metering will leave real money on the table in Lakeway. We run your payback on PEC’s actual current excess-generation credit, not a number from a different utility’s territory.
- Underestimating shade from mature live oaks and cedar. The original 1970s-80s resort-era lots around the lake have forty or fifty years of tree growth. A south-facing array with a morning oak shadow is not a small problem; it can cut annual production by 15 to 25 percent. We model that per-parcel before quoting.
- Getting an HOA design-review rejection in Rough Hollow or Serene Hills. These communities want to see panel layouts that match their elevation requirements, and a generic permit drawing usually gets bounced. We prepare design-review submittals that anticipate what those boards ask for, so you are not refiling for another month.
- Waiting on PEC’s interconnection queue because paperwork was staged late. This one is pure process. If your installer files the application after the panels are on the roof, you sit idle for weeks. We pre-stage the paperwork before install so the queue runs concurrent with construction, and you start producing the day the system is approved.
Pricing for Solar Panel Installation in Lakeway, TX
A typical rooftop solar installation on a Lakeway home runs $24,500 to $48,000 before the 30% federal tax credit, depending on system size, roof complexity, and whether you add battery storage. As a reference point: a 10 kW system on a straightforward composition roof in 78738 usually lands around $27,000 to $32,000. A 14 kW system with a tile roof, microinverters, and a FranklinWH battery might run $42,000 to $48,000.
What moves the number in Lakeway specifically: multi-plane rooflines that require more racking and engineering time, tile-roof mounting, steep pitches that need additional fall protection, and any main panel upgrade your 1970s-era home may need before interconnection. We give you a written quote with those line items visible, then we tell you to take two weeks. Think about it. The price will be the same.
We also offer a Senior and Veteran 10% discount that never expires, and $40 off any repair over $200. If another company has given you a written estimate, bring it to us for a free second opinion. Call (877) 550-6892 to get started.
We Also Serve Cities Near Lakeway
Our crews work throughout the Hill Country west of Austin. In addition to Lakeway, we regularly install solar for homeowners in Bee Cave, Lago Vista, Shady Hollow, and Austin. If you are in one of those areas and want the same straightforward math on your own utility bill, call us and we will come out.
Serving Lakeway, TX - Our Local Coverage Area
We’re based in the Lakeway 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 Lakeway
PEC runs its own interconnection queue, and it is slower than Austin Energy’s. The cooperative also pays a lower excess-generation buyback rate for the energy your system sends back to the grid, which directly affects your true-up math and your payback period. We pre-stage PEC applications before panel work begins so the queue runs while we build, and we size your system for PEC’s rate structure, not Austin’s. Call (877) 550-6892 and we will show you the difference on your own bill.
Yes, but it requires per-parcel modeling, not a city-wide average. East-facing slopes in Lakeway’s Hill Country terrain can lose meaningful morning or afternoon production depending on the ridge line and tree canopy, and hipped metal roofs constrain panel layout. We use LIDAR shade data and your actual roof geometry to produce an estimate that reflects your lot, not a Google Earth screenshot. If the numbers do not work, we will tell you that before you spend anything.
Rough Hollow’s design-review board wants to see panel layouts drawn against your home’s elevation views, with equipment locations, conduit runs, and sometimes color matching specified. We prepare the submittal in the format the board expects, handle the back-and-forth, and do not start construction until you have written approval. In our experience, the rejections come from generic permit drawings that do not address elevation aesthetics at all. We do not file those.
Shade. The single biggest variable for original resort-era Lakeway homes is not panel efficiency or inverter brand; it is how many hours of direct sun your roof actually gets after fifty years of live oak and cedar growth. We measure that before quoting, and if the shading is severe enough to kill your payback, we will recommend fewer panels, different placement, or sometimes waiting until a tree comes down. A straight answer is worth more than a signed contract.
In most Lakeway homes, yes. PEC’s excess-generation credit rate means you get less value for energy you export than you would under Austin Energy’s Value of Solar tariff, so storing your midday production for evening use changes your economics meaningfully. A FranklinWH or Tesla Powerwall paired with a properly sized array typically improves your true-up outcome and gives you backup during Hill Country storm outages. We run both scenarios on your bill before you choose, and the battery quote is a line item, not a pressure pitch. Call (877) 550-6892 for an exact system quote built off your real usage.
Contact Gus’s Solar in Lakeway
We just finished a rooftop solar install on a custom Mediterranean in Rough Hollow where the roof had six separate planes: two hipped, one gabled, plus a tile section over the casita. Our crew laid out a Qcells array with Enphase microinverters to work around three vent stacks and a cupola, then we pre-staged the PEC interconnection paperwork three weeks before the panel work started, so the homeowner never lost a day of production waiting on the cooperative’s queue. That is how we build every Lakeway project: plan the logistics, respect the roof, and file the paperwork early.
If you want a solar quote built off your actual PEC bill, your actual roof, and your actual trees, call (877) 550-6892. A live person answers. Bring us a bill, we will bring you the math. And take two weeks to think about it. The price will be the same.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Lakeway and the surrounding Hill Country since 2011.






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