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 Repair Across San Diego
Solar panel repair in San Diego usually falls into one of three buckets: a dead inverter, corroded wiring, or a roof leak around the mounts. Most repairs run $200 to $1,800 depending on what failed, and we can typically get a technician to your door within 48 hours. If your system is down and you’re losing production against SDG&E’s brutal upper-tier rates, this is not the week to wait. Call (877) 550-6892 and we’ll talk through what you’re seeing before we even schedule the truck.
We work the coastal ZIPs from Point Loma to Ocean Beach, the canyon neighborhoods of Mission Hills and North Park, and everything between. We know which houses have clay S-tile roofs, which ones still run 100-amp panels, and which inverters fail first when the salt fog rolls in. That local knowledge changes what gets fixed, what gets replaced, and what gets caught before it strands you with a dead array and a true-up bill that makes you wince.
Why Gus’s Solar Is San Diego’s Preferred Solar Panel Repair Company
Gus Petrakis founded this company in 2011 and his name is still on the building, the truck, and every invoice. When a San Diego homeowner calls about a solar panel repair, they talk to a live person. Not a voicemail. Not a ticketing portal. Not a call center three states away. If it’s 11 p.m. and your inverter is throwing an arc fault code, you get a person. That’s been true since day one.
Our Solar Panel Repair team is background-checked, uniformed, and in-house. We don’t hand work off to subcontractors. The same crew that installed your neighbor’s system in Kensington will be the one on your roof in Mission Hills. That consistency matters when you’re trusting someone to re-flash penetrations on a 1930s Spanish Colonial roof.
Every repair we do in San Diego carries the 90-Day Done Right Promise in writing. If it’s not right, Gus comes back and makes it right. One call. No escalation flowchart. That promise applies whether we’re replacing a corroded MC4 connector in Ocean Beach or rebuilding a SolarEdge inverter in La Playa.
We’ve spent over 14 years building a local reputation one roof at a time. San Diego homeowners know they can verify our license, find our published address, and see Gus at the hardware store. That’s not a marketing line. That’s how this business runs.
Our Solar Panel Repair Services in San Diego
Inverter Repair & Replacement
String inverter failures account for roughly a third of the repair calls we take in San Diego, and the pattern is predictable: a 2016-2019 SolarEdge or SunPower inverter runs fine for years, then starts throwing ground fault or arc fault codes and drops the entire array offline. In coastal neighborhoods like Point Loma and Ocean Beach, the root cause is often corroded DC connections rather than the inverter itself. We diagnose before we quote. A string inverter replacement in San Diego typically runs $1,200 to $3,000 installed, depending on model and roof access.

Microinverter Replacement
A single dead microinverter under an Enphase or SunPower array silently kills one panel’s production while the rest keep humming. Most homeowners never notice because the remaining panels mask the loss. We see this constantly in San Diego where arrays were installed 8 to 12 years ago and the monitoring portal was never checked. Microinverter replacement runs $350 to $600 per unit including labor in San Diego’s market. We typically batch replacements so you’re not paying multiple truck rolls.

Wiring & Connector Repair
Within a mile of the coast in ZIP codes 92106, 92107, and 92109, salt air chews through standard aluminum racking and bare copper terminations faster than anyone expects. We routinely replace corroded MC4 connectors with marine-rated equivalents on homes in Point Loma and Ocean Beach where an inland-spec install lasted barely five years. Arc faults and intermittent ground faults are the telltale symptoms. Wiring and connector repair in San Diego runs $200 to $800 depending on how many junction boxes and terminations need rework.

Panel Replacement After Damage
Hail is rare in San Diego, but flying debris from Santa Ana winds, tree branches, and the occasional golf ball from a canyon-adjacent course all claim panels. A damaged panel might still produce, but a cracked backsheet is a moisture and arc hazard waiting to become a bigger problem. Panel replacement runs $450 to $950 per panel installed in San Diego, and we match replacement panels to your existing array’s wattage and brand where possible, including Qcells, REC, and Panasonic.

Roof Leak Repair Around Mounts
This is the repair San Diego homeowners most often misdiagnose. A water stain on the ceiling under a 1920s bungalow’s clay S-tile roof in Mission Hills or North Park usually traces back to degraded sealant at the solar mount points, not a panel failure. Re-flashing and resealing mounts requires specialized flashing kits for S-tile and flat-tile profiles. We do this without removing the entire array. Roof leak repair around solar mounts in San Diego runs $400 to $1,500 depending on the number of penetrations and tile profile.
We also take over orphaned systems from installers who went dark. If your original solar company no longer answers the phone and your array sits dead, we’ll assess, repair, and get you monitoring again.

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 San Diego
We service and repair systems built on SunPower, SolarEdge, Enphase, REC, Qcells, Panasonic, and other major brands. We stock common replacement parts for San Diego customers: Enphase IQ microinverters, SolarEdge power optimizers and inverters, marine-rated MC4 connectors, and S-tile flashing kits. We also keep the diagnostic hardware to read fault codes from all these platforms, which means we show up with the answer instead of a guess. If you have a monitoring portal that hasn’t been checked in years, give us your Enphase or SolarEdge login and we’ll tell you honestly what’s working and what died quietly.
Common Solar Panel Repair Problems We See in San Diego Homes
San Diego’s housing stock and coastal climate create a specific set of failure patterns. Here’s what actually brings us out:
- Salt-corroded MC4 connectors and racking. In Point Loma (92106), Ocean Beach (92107), and around Mission Bay (92109), salt fog accelerates corrosion on standard aluminum extrusions and copper terminations. The result: arc faults and ground faults that trip the inverter, usually within three to five years of an inland-spec install.
- Dead optimizers or microinverters on older SunPower and SolarEdge arrays. A 10-year-old system in North Park or Kensington may have several panels silently producing nothing. The monitoring portal shows it clearly, but nobody ever opens the app. This is lost money against SDG&E rates every single month.
- Roof leaks around mount penetrations on clay S-tile roofs. The 1920s-1950s bungalows and Spanish Colonials in Mission Hills, North Park, and Point Loma have tile profiles that demand specific flashing techniques. Original sealant breaks down after a decade, and water finds the fastener penetrations. We see this misdiagnosed as “solar panels are leaking” when the roof sealant is the real culprit.
- Inverters tripping on ground fault after night rain or morning fog. Coastal condensation in Ocean Beach and Point Loma seeps into degraded junction boxes, causing intermittent faults that only appear when the morning marine layer burns off. Intermittent faults are the hardest to diagnose, which is why we watch these systems over a 24-hour cycle rather than swapping parts blindly.
Pricing for Solar Panel Repair in San Diego, CA
We quote upfront and the number you see is the number you pay. No signature wanted tonight. No surprise line items. Here are the ranges we’ve tracked across San Diego residential jobs:
- Diagnostic visit: Free inside our own county; no trip charge within San Diego County.
- Wiring and connector repair: $200 to $800
- Microinverter or optimizer replacement: $350 to $600 per unit
- String inverter replacement: $1,200 to $3,000 installed
- Panel replacement: $450 to $950 per panel installed
- Roof leak repair around mounts: $400 to $1,500
If you have a written estimate from another company, bring it in. We’ll give you a free second opinion. And if you’re 65 or older or a veteran, take 10% off any repair, no expiration. Call (877) 550-6892 for an exact quote on your system. Bring me a bill, I’ll bring you the math.
We Also Serve Cities Near San Diego
Our repair crews cover the full San Diego metro area, including Lemon Grove, La Mesa, Coronado, and National City. If your home sits in one of those surrounding communities, the same team handles your repair with the same 90-Day Done Right Promise. Call us and we’ll confirm next-day availability for your address.
Serving San Diego, CA - Our Local Coverage Area
We’re based in the San Diego 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 Repair in San Diego
Yes, if you’re within a mile of the water in Ocean Beach (92107), Point Loma (92106), or Pacific Beach (92109), we strongly recommend marine-rated MC4 connectors and anodized or stainless racking hardware on any repair that touches exposed conductors or mounting points. Standard aluminum and copper components corrode fast enough in that environment that inland-spec repairs fail within three to five years. Marine-rated parts add modest cost but eliminate the repeat-service cycle. Call (877) 550-6892 if you’re seeing corrosion on your connectors or racking and we’ll tell you whether replacement makes sense now.
It means one panel hasn’t produced a watt in months or years, and against SDG&E’s upper-tier rates, that’s a quiet but real drain on your payback math. A single dead microinverter on a 20-panel array drops your system output by roughly 5%, often without any visible symptom. We replace the bad unit, verify the rest of the string, and get your monitoring dashboard accurate again. Microinverter replacement in San Diego runs $350 to $600 including labor. Call us and we’ll check your Enphase or SolarEdge portal before we even send a truck.
In most cases, yes. We lift or unbolt only the affected panels over the failing mounts, remove the degraded sealant, re-flash the penetrations with S-tile or flat-tile appropriate flashing kits, and reseat everything. Removing the entire array is almost never necessary for a mount-point leak on a 1920s-1950s San Diego bungalow. This repair runs $400 to $1,500 depending on how many penetrations are involved. Call (877) 550-6892 and we’ll inspect the affected area.
On many 1920s-1950s San Diego homes in Mission Hills, North Park, and Kensington, the original 100-amp main panel limits what you can add without a service upgrade. We can absolutely repair your existing solar array without touching the panel. Adding battery storage, however, often triggers an electrical panel upgrade as a prerequisite. We’ll verify your specific panel and load calculation during the estimate and tell you upfront if an upgrade is required, with a real price attached. No surprises after the fact.
June Gloom, the marine layer that sits over coastal San Diego in late spring and early summer, suppresses morning production in Point Loma (92106), Ocean Beach (92107), and Pacific Beach (92109) far more than sites just 8-10 miles inland. When we diagnose underproduction on a coastal system, we model expected output with a derate factor for that fog pattern before concluding something is broken. Inland homes in Mission Hills or North Park don’t see the same suppression, so the same production number can mean very different things depending on your ZIP code.
If your system is acting up, your true-up bill is climbing, or you simply haven’t looked at your monitoring portal in years, call (877) 550-6892. A live person answers, we’ll talk through what’s happening, and we’ll schedule a time to come out. Free estimates inside San Diego County. Take two weeks to think about it. The price will be the same.
Written by Gus Petrakis, Owner at Gus’s Solar, serving San Diego since 2011.






Before
After
Before
After
Before
After