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 Compton
Solar panel installation in Compton, CA typically runs $15,000-$28,000 before incentives for a standard rooftop system on one of the city’s many 1940s-1960s single-family homes. Most installations take two to four days on-site, with the full process from design to utility approval running six to ten weeks. If you live in the 90220, 90221, 90222, or 90223 ZIP codes and want straight numbers built off your actual SCE bill, call Gus’s Solar at (877) 550-6892. We’ve worked Compton’s older housing stock long enough to know what the permit office will flag before you do.
Why Gus’s Solar Is Compton’s Preferred Solar Panel Installation Company
Gus Petrakis founded this company in 2011 and put his own name on the truck. That’s not a marketing line. When a Compton homeowner calls about a Federal Pacific panel that SCE just flagged during pre-interconnection testing, the person who picks up the phone can tell you exactly what that means and what it costs to fix. We’re an owner-operated shop, not a door-knocking crew that disappears after the contract clears. Gus’s crew does the install themselves. No subs. No hand-offs. If something isn’t right, the 90-Day Done Right Promise covers it in writing, and one call brings Gus back.
Compton homeowners repeatedly tell us the same thing: a national outfit quoted them a brochure number over the phone, then changed it at the door. We don’t do that. The price we quote is built off your actual utility bill and your actual roof. Bring me a bill, I’ll bring you the math. Take two weeks to think about it. The price will be the same. If a salesman needs an answer tonight, the answer is no. That’s how we’ve operated for years, and it’s why our Compton customers refer their neighbors.
We answer the phone 24/7 with a live person. Not a voicemail. Not a ticketing portal. When you call about an installation in the 90220 ZIP off Long Beach Boulevard or a design question near Compton High School, you get a real person who knows the area. Our scheduling team coordinates from the Los Angeles office and our crews serve Compton locally, so response times are measured in hours, not days.
Our Solar Panel Installation Services in Compton
Every Solar Panel Installation we handle in Compton starts with a real roof inspection and a real bill analysis. Here’s what we do most often for homeowners in this city.
Rooftop Solar Installation
Most Compton homes have low-pitch composition shingle roofs on wood-frame construction from the late 1940s through early 1970s. Those roofs need a different flashing approach than the tile roofs you see in newer South Bay developments. Gus’s crew has installed on hundreds of these exact roofs. We flash every penetration properly, torque every mount to spec, and don’t rush the waterproofing on a 60-year-old deck just to hit a deadline. A typical Compton rooftop install takes two to three days, depending on panel count and whether SCE requires additional work first.

Solar System Design & Permitting
Compton’s permit office reviews every solar application against current building code, and older homes bring older problems. We handle the full design and permitting package, including the structural calculations your specific roof needs. If you’ve got a Federal Pacific Stab-Lok or Zinsco panel in a 1950s bungalow in the 90221 ZIP, our design accounts for that service upgrade before we ever submit. That saves you a permit rejection and three weeks of delay. We know what the City of Compton will ask for, and we file it the first time.

Solar Panel Replacement
Compton’s inland heat and occasionally heavy Santa Ana winds take a toll on older panels. If your existing array is underproducing or a panel has failed, we replace it with current-generation equipment from Qcells or REC, matched to your existing inverter and racking where possible. We also handle full-array replacements when the original installation was done poorly or the equipment has hit end of life. A straightforward panel swap in Compton typically runs $400-$900 per panel including labor, while a full replacement lands in the range above.

Roof-Mount & Tile Roof Solar
On a 1960s Compton home with composition shingles, we use a standard rail-mounted racking system with properly flashed roof penetrations. That’s proven. On homes that have been re-roofed with tile, the mount and flashing system changes completely. We don’t guess at this. Gus’s crew has installed on both, and we quote the racking system that matches your roof, not the one that’s cheapest in the warehouse. If your decking shows dry rot once we lift shingles, we stop and show you. Hidden deck damage is common on Compton homes this age, and you should know about it before the panel goes on top of it.

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 Compton
We install and service equipment from Qcells, SunPower, and Panasonic, among others. These are panels and inverters we’ve watched perform over years, not whatever a distributor is clearing out this quarter. For Compton homeowners, that matters because our parts familiarity means faster turnaround when something needs warranty replacement. We don’t have to wait on a distributor three states away to tell us what’s wrong. We know these systems. If you’re comparing quotes in Compton and one installer won’t tell you the specific panel model until after you sign, call us instead at (877) 550-6892.
Common Solar Panel Installation Problems We See in Compton Homes
- Original 60-100 amp electrical panels. Homes built in the 1940s through 1960s out here often still run on original service panels that SCE will not approve for solar interconnection. We quote the 100-to-200-amp upgrade as part of the job, not as a surprise change order three weeks in.
- Federal Pacific Stab-Lok and Zinsco panels. These show up constantly in the 90220 and 90221 ZIP codes. Both brands are flagged by SCE and the City of Compton as failing pre-connection safety tests. If your panel is one of these, the utility will not energize your solar until it’s replaced. We handle the panel swap, the permit, and the inspection coordination.
- Dry rot hidden under aging shingles. Compton’s roof decks have been soaking up heat and the occasional heavy rain for 50 to 70 years. Once we lift shingles for rack mounts, we sometimes find decking that won’t hold a lag bolt. That adds partial redecking to the scope, and we’d rather tell you upfront than pretend it won’t happen.
- Utility interconnection delays from incomplete paperwork. SCE’s interconnection queue in this part of Los Angeles County moves slowly, and a missing line diagram or a panel mismatch stalls the whole job. We’ve filed hundreds of these applications for Compton addresses, and we know what the utility reviewers reject and what sails through.
Pricing for Solar Panel Installation in Compton, CA
A typical rooftop installation in Compton runs $15,000-$28,000 before the federal tax credit and any DAC-specific rebates, depending on system size, panel brand, and whether your service panel needs an upgrade. Here’s what to expect line by line:
| Line Item | Typical Range in Compton |
|---|---|
| Rooftop solar installation (5-8 kW system) | $15,000-$24,000 |
| 100-to-200-amp electrical panel upgrade | $2,500-$4,500 |
| Partial roof decking repair before racking | $800-$2,500 |
| System design, permitting, and interconnection filing | $1,500-$3,000 |
| Solar panel replacement (per panel, installed) | $400-$900 |
These are real numbers from jobs we’ve done in Compton, not national averages. Your final figure depends on your roof condition, panel choice, and SCE’s requirements for your service address. Estimates are free. Call (877) 550-6892 and we’ll build the math off your actual bill, not a brochure.
We Also Serve Cities Near Compton
In addition to Solar Panel Installation in Compton, our crews regularly work in East Rancho Dominguez, West Rancho Dominguez, Carson, and Gardena. Same ownership. Same crew. Same no-pressure quoting. If you’re just across the city line and wondering whether we cover your street, call and ask. Chances are we were on your block last month.
Serving Compton, CA - Our Local Coverage Area
We’re based in the Compton 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 Compton
SCE requires a panel upgrade because many Compton homes still run on original 60-100 amp panels, or on Federal Pacific Stab-Lok and Zinsco panels that fail modern safety testing. These panels cannot safely handle the load changes that a grid-tied solar system introduces, and SCE’s interconnection standards will not approve a system tied to one. The fix is a service upgrade to 200 amps, which we quote as part of the original job whenever the panel age or brand makes it likely. Call (877) 550-6892 for a free look at what you’ve got.
Yes. Compton sits roughly 12-15 miles inland from the coast, past the zone where the summer marine layer reliably suppresses solar production in cities like Torrance, El Segundo, and Redondo Beach. That means more annual peak sun hours and a stronger bill-offset case for the same size system. It also means more summer AC load from the LA Basin’s urban heat-island effect, which pairing solar with battery storage turns into a bigger savings opportunity. Your SCE bill tells the real story. Bring it to us and we’ll show you the production math for Compton specifically.
Compton qualifies as a Disadvantaged Community under California’s CalEnviroScreen criteria, which unlocks the SASH rebate through GRID Alternatives for income-qualified single-family homeowners. That program does not exist in Lakewood. Compton homeowners can also access elevated SGIP battery storage adders through SCE, again because of DAC status. For a city with a largely low-to-moderate-income ownership base, these programs are often what closes the gap between a solar quote and a signed contract. We know these programs. We’ll walk your specific household through what you qualify for.
Because the housing stock is old. Most Compton homes were built between the late 1940s and early 1970s, and the original roof decks have been through 60 to 70 years of heat, dry rot, and occasional heavy rain. When we lift composition shingles to mount racking, we sometimes find decking that won’t hold a lag bolt securely. If that happens, partial redecking is not optional, it’s structural. We show you what we found, tell you what it costs, and fix it before the panels go on. That’s the right order.
SCE’s time-of-use rates make the hourly shape of your production matter as much as the total. Compton’s inland heat drives heavy afternoon AC load, which is exactly when summer TOU rates peak. A well-designed solar array offsets those peak-rate hours directly. But the panel orientation and the decision to add battery storage change how much of that value you capture. We size your system to your actual usage curve, not a flat average. Call (877) 550-6892 for an exact quote built off your last 12 months of SCE usage.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Compton since 2011.






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