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.
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AfterFast, Reliable Solar Panel Installation Across Pomona
Solar panel installation in Pomona runs $14,500 to $28,000 before incentives for a typical 6 to 9 kW rooftop system, and most Pomona homeowners we quote recover the cost in five to seven years thanks to the city’s exceptional sun exposure. That payback window is shorter than almost anywhere else in LA County. If you’re in the 91767 or 91768 flatlands or up in Phillips Ranch, call Gus’s Solar at (877) 550-6892 and we’ll send someone out to look at your roof, your meter, and your actual SCE bill before we quote a single number.
We know Pomona’s housing stock because we work in it every week. The 1950s ranch homes south of Holt, the 1980s hillside builds above the 60, the string of early-1900s bungalows near downtown. Each has different roof pitch, different rafter spacing, different panel constraints. Our Solar Panel Installation crew plans around those specifics instead of treating your house like a stock photo.
Why Gus’s Solar Is Pomona’s Preferred Solar Panel Installation Company
Gus Petrakis started this company in 2011, and he still answers his own phone. That’s not a line on a website. When you call (877) 550-6892, you get a live person, day or night. No ticket queue. No call center across the country. Gus publishes his name and license number and expects you to check them both.
That matters in Pomona, where plenty of homeowners have been burned by door-to-door solar crews that quote one number on the porch and a different one after the contract is signed. We hear those stories at kitchen tables all over the 91767. Our rule is simple: the price we quote is the price you pay. Bring me a bill, I’ll bring you the math. And if a salesman needs an answer tonight, the answer is no.
We don’t hand your install to a sub. The crew on your roof is Gus’s crew, background-checked, uniformed, and trained on the exact flashing and sealing details that matter on Pomona’s older composition shingle roofs. One trip, done right, with the 90-Day Done Right Promise in writing on every job.
Our Solar Panel Installation Services in Pomona
Rooftop Solar Installation
Most Pomona roofs we install on are either original 1950s-1970s composition shingle or 1980s-era tile up in Phillips Ranch. Both handle solar fine when the penetrations are flashed correctly. The problem we see repeatedly is crews that rush the flashing and leave Pomona homeowners with leaks during the first hard winter rain. We don’t rush that step. A typical rooftop install in Pomona takes one to two days, and we stay until your system is producing and your app shows live data.
Solar System Design & Permitting
Permitting in Pomona has a specific friction point we plan around from the first visit: the building department requires 200-amp service before it signs off on almost any solar array. Homes across the 91766 and 91767 flatlands were built with 100-amp panels as standard in the 1960s. If you’re in one of those tract homes and nobody has upgraded your panel yet, the $1,500 to $3,000 service upgrade isn’t optional. We pull the meter and photograph the panel during our first site visit so that cost is on the table from day one, not buried in a change order the week before install.
Solar Panel Replacement
If you already have panels that are underperforming, cracked, or decades old, we can assess whether replacement makes sense against your current SCE rate plan. Pomona’s heat accelerates degradation on older panels, especially ones mounted flat on low-slope flatland roofs where heat doesn’t dissipate well. If your production has dropped off noticeably from what the original installer promised, call us. We’ll test the array, pull the production logs, and give you a straight answer about whether you’re better off replacing panels, adding capacity, or waiting.
Roof-Mount & Tile Roof Solar
Tile roofs in Phillips Ranch and the newer subdivisions north of the 10 need a different mounting approach than composition shingle. We use tile hooks and standoffs that don’t crack the tile, and we keep spare tiles on the truck in case any break during the lift. If you’re in an older Craftsman near downtown Pomona with original rafter spacing, we’ll confirm the roof can handle the additional load before we ever submit the permit.
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 Pomona
We install and service the equipment that holds up in Pomona’s inland heat. That means Enphase microinverters on most residential jobs because they don’t have a single point of failure, and they derate far less than string inverters when your south-facing wall hits 105°F. We also work with Tesla and FranklinWH for battery backup, and we carry Qcells and REC panels for homeowners who want to maximize year-25 output on Pomona’s long, clear summer days. If you already have a brand you’re committed to, we’ll work with it. I quote the year-25 output, not the day-one brochure number.
Common Solar Panel Installation Problems We See in Pomona Homes
- Surprise 100-amp panel upgrades. This is the number one issue we see in the 91766 and 91767 flatlands. The 1960s tract homes were built with 100-amp service, and Pomona’s building department won’t sign off on solar without a 200-amp upgrade. We factor it into the quote from day one. Most national outfits don’t find it until permit review, and then the homeowner gets a surprise change order.
- Heat-related inverter derating. String inverters mounted on a south-facing wall in Pomona’s 100°F+ summers lose real output because the unit can’t cool itself. We spec microinverters or place the string inverter on a shaded north wall when the layout allows. It’s a small design decision that adds production every single summer.
- Roof leaks from poorly sealed penetrations. Pomona doesn’t get much rain, which means when a storm does come through, any bad flashing gets exposed fast. On original 1950s-1970s composition shingles, we double-flash every penetration and replace the underlayment around the mounts. The last thing your older Pomona roof needs is a hurried install that opens it to water.
- Shading from mature trees in older neighborhoods. The flatlands around Ganesha Park and Lincoln Park have big, mature shade trees. A roof that looks perfect from the street might have partial shade from a neighbor’s tree by 4 p.m. We model your actual roof with shade measurements, not a satellite guess, before we finalize the design.
Pricing for Solar Panel Installation in Pomona, CA
Here’s what we’re actually quoting in Pomona right now. A 6 kW rooftop system on a composition shingle roof in the 91767 flatlands runs $14,500 to $18,500 before the federal tax credit. A 9 kW system, which makes sense for a Pomona home running central AC through 100°F summers, runs $21,000 to $27,000. Tile roof adds $1,500 to $3,500 depending on the mounting system. And if your home still has 100-amp service, add $1,500 to $3,000 for the panel upgrade to 200-amp. Those numbers include the panels, Enphase microinverters, racking, permitting, and install. Free estimate, no pressure. Take two weeks. Think about it. The price will be the same.
Solar Panel Removal & Reinstall runs $1,800 to $3,500 for a typical Pomona roof, depending on whether you’re replacing the roof under an existing array or removing panels permanently. It’s a one-trip job for our crew, and we coordinate directly with your roofer so the whole thing moves in sequence.
We Also Serve Cities Near Pomona
While this page is focused on Pomona, our crew regularly runs routes through San Dimas, La Verne, Charter Oak, and Diamond Bar. The same inland valley climate and housing patterns apply in most of these neighboring communities, and we apply the same no-surprise pricing and 90-Day Done Right Promise everywhere we work. If you’re just over the Pomona line, you still get the full Pomona level of care and local knowledge.
Serving Pomona, CA - Our Local Coverage Area
We’re based in the Pomona 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 Pomona
Pomona sits far enough inland that the marine layer, the “June Gloom” that hugs the coast and suppresses solar production across much of LA County, almost never reaches here. The same valley geography produces more full-sun hours annually than the LA Basin average. Our crew recently installed a 9.6 kW REC Alpha Pure-R system with Enphase microinverters on a 1960s ranch in the 91767 flatlands, and the system is modeling an estimated 14,400 kWh in year one. That’s materially higher than the same array would produce in Long Beach or Redondo. Call (877) 550-6892 and we’ll model your roof with Pomona’s actual irradiance data, not a regional average.
Yes, in almost every case. The 1960s tract homes in the 91766 and 91767 zip codes were built with 100-amp service as standard, and Pomona’s building department will not sign off on a solar permit without a panel upgrade to 200-amp. That’s a $1,500 to $3,000 line item that many out-of-town installers don’t discover until permit review, which means delays and an unexpected change order. We pull your meter and photograph your panel during the first site visit so the full cost is in your quote from the start. For an exact number on your home, call (877) 550-6892.
Yes, summer AC load in Pomona is heavy, and even a well-sized solar array rarely covers 100% of a 105°F day. What solar does in Pomona is dramatically shrink the most expensive portion of your SCE bill: the 4 p.m. to 9 p.m. time-of-use window when electricity rates are highest and your AC is still running. A 9 kW system on a Pomona ranch home will typically offset 70 to 85% of annual usage, with the remaining bill concentrated in the hottest weeks. We size the system to your actual usage pattern, not a generic formula. Bring me a bill, I’ll bring you the math.
Heat is the enemy of string inverters. Mounted on a south-facing wall in Pomona’s 100°F+ summers, a string inverter can derate output noticeably because the unit can’t dissipate heat fast enough. That’s why we spec Enphase microinverters on nearly every Pomona residential install. Each panel gets its own inverter mounted on the rack, shaded by the panel itself, and the result is more consistent production through the summer. For battery backup or larger systems, we’ll explain the tradeoffs between Enphase, SolarEdge, and FranklinWH during the quote. Call (877) 550-6892 to talk through your specific roof and layout.
First, check whether the panel warranty covers performance degradation year by year or just guarantees a single threshold at year 25. Pomona’s sun intensity and heat accelerate normal degradation, so you want a panel with a published degradation rate of 0.5% per year or better. Second, confirm the installer’s labor warranty covers roof penetrations. Panel manufacturers cover the glass and cells, but they don’t cover a bad flashing job that leaks into your Pomona living room. Our 90-Day Done Right Promise is in writing on every job, and it applies to the install work, not just the equipment. For help evaluating an existing quote or a new one, call (877) 550-6892 and get a free second opinion.
If you’re in Pomona and you’re ready for a straight answer about solar, call Gus’s Solar at (877) 550-6892. We’ll come out, look at your roof, your panel, and your SCE bill, and give you a number you can take two weeks to think about. The price will be the same. No signature tonight, ever.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Pomona since 2011.