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 Las Vegas
A rooftop solar system in Las Vegas typically costs $22,000 to $34,000 before the federal tax credit, and the payback math here is different from anywhere else in the Southwest. NV Energy credits surplus power at the avoided-cost rate, roughly 75% below retail, which means a 6 kW array in Las Vegas takes 12 to 14 years to pay back instead of the 6 to 8 years you’d see in Phoenix or LA. That reality changes everything about how we design systems here.
Gus Petrakis has been doing this long enough to quote the year-25 output, not the day-one brochure number. If you live in Summerlin, Centennial Hills, or any neighborhood across the valley and want straight answers about whether solar actually pencils out on your bill, call (877) 550-6892. Bring me a bill, I’ll bring you the math.
We’re a locally owned, owner-operated shop serving Las Vegas. Not a door-knocking crew. Not an out-of-state outfit that disappears after the paperwork clears. Gus’s name is on the truck, the license number is published, and a live person answers the phone 24/7.
Key Takeaways:
- Las Vegas payback periods run 12 to 14 years due to NV Energy’s avoided-cost net metering rate
- Battery storage is what makes solar financially viable here, not panels alone
- Older flat-roofed stucco ranches across 89101 through 89110 need load assessments and special flashing work
- Thermal derating on 160°F panels cuts output 20 to 25% during summer peak hours
- Free second opinion on any written estimate. Take two weeks. The price will be the same.
Why Gus’s Solar Is Las Vegas’s Preferred Solar Panel Installation Company
We’ve been doing Solar Panel Installation across the valley long enough to know things that out-of-state crews never figure out. Like how the older neighborhoods along the 89104 corridor have flat-roofed stucco ranches with original rolled roofing hidden under concrete tile. Or how NV Energy’s current net metering tariff structure changes the entire ROI conversation compared to what a Phoenix installer would tell you.
Gus Petrakis founded this company in 2011 and still answers his own phone. Not a call center. Not a ticketing portal. When you call about a system in Las Vegas, you’re talking to the guy whose name is on the building. His crew does the install. Background-checked, uniformed, and they flash every roof penetration properly. No subs.
Every solar job carries the 90-Day Done Right Promise in writing. If it’s not right, one call brings Gus back. That’s the Local roots, Accountable, and Loyal part of how we operate. On time, Community first. That’s the L.O.C.A.L. code we run on.
We also offer a Senior and Veteran 10% discount that never expires, $40 off any repair over $200, and no trip charge inside our own county. If a salesman needs an answer tonight, the answer is no. We’re not going anywhere, and we don’t need you to sign tonight.
Our Solar Panel Installation Services in Las Vegas
Solar System Design & Permitting
Most Las Vegas solar proposals we review are modeled wrong. They use retail net metering assumptions from five years ago instead of the current avoided-cost tariff, and they undersize systems for the heat. We model your actual utility bill, your real usage pattern, and the thermal derating curve for a 160°F rooftop in July. Then we handle the permits, the engineering stamps, and the NV Energy interconnection paperwork. You should not have to learn tariff codes to get an honest quote.

Rooftop Solar Installation
Rooftop solar in Las Vegas looks different than it does in Seattle. We’re mounting panels on low-slope desert rooflines, often single-story stucco ranches built between the 1950s and 1980s with wood-frame construction. Before any racking goes up, we walk the roof, check the structure, and make sure the system we’re installing will hold through the afternoon heat and the occasional monsoon gust. Gus’s crew does the work. Not a sub. Not a rotating cast of installers from three states over.

Roof-Mount & Tile Roof Solar
This is where Las Vegas installs get tricky. Many of the older homes in 89101 through 89106 were re-roofed with lightweight concrete tile laid directly over original rolled roofing. That leaves no room for standard penetration flashings without tearing back layers. We pulled a failed SunPower system off a 1963 stucco ranch in the 89104 corridor where exactly that problem existed. Our techs cut back two layers, installed a new penetration system with Enphase microinverters, and re-tiled the transition so the roof stayed watertight through a summer thunderstorm. That’s not brochure work. That’s what we do.

Solar Panel Replacement
If your existing array is underperforming, don’t assume you need a full replacement. Sometimes the panels are fine and the inverter is shot. Sometimes the racking was never flashed properly and water has been getting in. We do Free Second Opinion on Any Written Estimate, and we’ll tell you what actually needs fixing. A panel replacement in Las Vegas typically runs $3,500 to $8,000 depending on system size and whether we’re upgrading microinverters at the same time.

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.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Las Vegas
We work with the industry’s leading equipment brands, and we stock parts locally for Las Vegas customers. Qcells and REC panels handle high-temperature derating better than most, so those are common choices for valley rooftops. We also install and service SunPower and Panasonic systems, plus Enphase microinverters and Tesla battery storage. Fast turnaround on replacement parts, because your system shouldn’t sit dark while someone waits for a shipment from California.
Common Solar Panel Installation Problems We See in Las Vegas Homes
- Thermal derating on 160°F panels: When ambient air hits 110°F in July, panel surfaces routinely exceed 160°F, cutting output 20 to 25% precisely during peak afternoon grid demand. Systems that look correctly sized on paper fall short of their kWh offset promises because nobody modeled the heat.
- Soiling losses from caliche and gypsum dust: Las Vegas gets about 4 inches of rain per year, which means panels never get a natural rinse. Fine desert dust accumulates month after month, quietly eating into production. We recommend specific cleaning intervals based on your location in the valley, not a generic annual plan.
- Interconnection delays with NV Energy: A finished system can sit unconnected for weeks while the utility processes your net metering application. That’s lost production you shouldn’t have to eat. We track every application and push when things stall.
- Improper flashing on older tile roofs: Out-of-town crews drill through concrete tile and call it good. The first real rain finds the leak. We cut back layers, install proper penetration flashing, and re-tile so the transition is watertight for decades.
Pricing for Solar Panel Installation in Las Vegas, NV
A complete rooftop solar installation in Las Vegas typically runs $22,000 to $34,000 before the 30% federal tax credit, depending on panel count, roof condition, and whether you’re adding battery storage. Solar battery storage and backup adds $8,500 to $15,000 on top of that. Panel replacement alone runs $3,500 to $8,000. System design and permitting typically costs $1,200 to $2,500 when done as a standalone service.
What moves the number most in Las Vegas is roof work. If we have to cut back old rolled roofing under concrete tile to flash penetrations properly, that’s labor hours an out-of-state quote never includes. We quote the real number up front. No-hassle upfront pricing means the number you see is the number you pay. Call (877) 550-6892 for a free estimate. Free second opinion on any written estimate, too. If a competing quote looks too good, bring it to us and we’ll show you what they’re missing.
We Also Serve Cities Near Las Vegas
Our crews work throughout the valley, including Winchester, Paradise, Spring Valley, and Whitney. If you’re just outside the city limits, we’re likely already working in your neighborhood. The same local knowledge we bring to Solar Panel Installation in Las Vegas applies across the entire metro area, and the same avoided-cost net metering math drives every quote we write.
Serving Las Vegas, NV - Our Local Coverage Area
We’re based in the Las Vegas 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 Las Vegas
Because NV Energy credits surplus solar at the avoided-cost rate, which is roughly 75% below retail, and any proposal that models retail net metering is inflating your savings by a huge margin. A 6 kW system in Las Vegas takes 12 to 14 years to pay back under the actual tariff structure. If your quote shows a 6-year payback, the math is wrong. Call (877) 550-6892 and we’ll run your real bill through the real numbers.
We cut back the concrete tile and the rolled roofing layers down to bare decking, install a new penetration system with proper flashing, then re-tile the transition so it’s watertight. This is exactly the kind of detail work that catches out-of-state crews off guard. Gus’s crew does it routinely on homes across 89101 through 89106. It adds hours to the install, but it’s the only way to keep a roof watertight through a Las Vegas thunderstorm.
East-west orientations work fine in Las Vegas, especially with the high solar irradiance we get here, roughly 6.5 peak sun hours per day. A single south-facing pitch is not required. In fact, east-west spreads often match your actual usage pattern better, capturing morning and late-afternoon sun when you’re running the AC. We design around your roof, not a brochure diagram.
Expect to lose 20 to 25% of rated output when panel surfaces hit 160°F during summer afternoons. Panels with lower temperature coefficients handle heat better, and Qcells and REC both make strong options for hot desert rooftops. This is the Mojave Desert paradox: the sunniest, hottest days produce less power than expected. We size your system with that derating baked in. Call (877) 550-6892 and we’ll show you the adjusted production curve for your specific roof.
A true-up statement is the annual reconciliation NV Energy sends showing how much energy you used, how much your system produced, and how much you owe or are credited for the year. Under avoided-cost net metering, the credit on that statement is significantly lower than under the old retail rate structure, which extends your payback period. We walk every Las Vegas customer through what their first true-up will look like before they sign anything. Take two weeks. Think about it. The price will be the same.
Call Gus’s Solar for Solar Panel Installation in Las Vegas
If you want a solar quote built off your actual utility bill, your actual roof, and the actual NV Energy tariff, call (877) 550-6892. Gus’s own crew handles every install, every roof penetration gets flashed properly, and every job carries the 90-Day Done Right Promise in writing. A live person answers 24/7. No pressure, no signature tonight, no disappearing act after the system goes live. Just straight numbers from a local shop that’s been here since 2011 and isn’t going anywhere.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Las Vegas since 2011.






Before
After
Before
After
Before
After