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Fast, Reliable Solar Panel Repair Across Claremont
Solar panel repair in Claremont typically runs $180-$1,400 depending on whether you’re dealing with a failed microinverter, a roof leak around mounts, or a damaged panel. Most repairs are done same-day or next-day when parts are on the truck. Gus’s Solar has been handling solar panel installation in Claremont and repairs since long before the national installers started knocking on doors in the Village. We know the rooftops, the tree canopy, the 100°F summers, and the particular way solar systems degrade when they’re fighting partial shade. Call (877) 550-6892 and you’ll get Gus or one of his crew on the phone, not a call center.
Why Gus’s Solar Is Claremont’s Preferred Solar Panel Repair Company
Most of the repair work we do in Claremont starts the same way: a homeowner notices a production dip on their monitoring app, then calls the company that installed the system, and finds out that company no longer exists or won’t return calls for a repair smaller than a full re-install. That’s where we come in. Gus’s Solar is an Solar Panel Repair company that actually shows up.
We’re locally owned and owner-operated since 2011. Gus Petrakis’s name is on the truck and the work. When a Claremont customer calls with a failed inverter or a leaking roof penetration, the person who answers the phone is the person who understands what happened to their system. Not a dispatch queue. Not a ticket number. The team knows the 91711 zip code, the foothill streets near the Claremont Wilderness Park, the Craftsman bungalows by the Village, and the mid-century ranches in between. Crews come out in uniform, background-checked, and the price quoted over the phone is the price on the invoice. Every job is covered by the 90-Day Done Right Promise. If it’s not done right, Gus makes it right, in writing, and one call brings him back.
Our Solar Panel Repair Services in Claremont
Claremont’s systems tend to fail in specific, predictable ways. The protected tree canopy, the foothill morning shade, and the age of the housing stock all push failures toward particular components. We carry parts for the brands most common on Claremont roofs and we stock local inventory for fast turnaround, including Claremont solar battery storage & backup components when systems need them.
Microinverter Replacement
Microinverters on east-facing roof planes in Claremont fail early far more often than they should. The San Gabriel foothills block morning sun, so when sunlight finally clears the ridge at mid-morning, the microinverters cycle hard to catch up. Years of that thermal stress cooks the capacitors. We replace failed Enphase and SolarEdge units with exact-matching revisions, then re-terminate the connectors and verify production per-panel, not just system-wide. A typical single-microinverter replacement in Claremont runs $280-$450 including the part.

Inverter Repair & Replacement
String inverters in Claremont die for two main reasons: heat and age. The 100°F+ summer days bake inverters mounted on south walls, and many original installs are now 8-12 years old, which is when string inverters start failing. We test the input voltage, check for arc faults, and replace whole units when a repair won’t hold. A string inverter replacement in Claremont typically runs $1,200-$1,800 for a residential unit, installed and configured.

Wiring & Connector Repair
Squirrels, tree sap, and the constant thermal expansion of Claremont’s hot days and cool nights all take a toll on connectors and wiring. Rodent damage on roof conduit runs is common. Pinched connectors from poor original installs show up within five years. We re-pull damaged wire, crimp new MC4 connectors, and re-flash every penetration. Wiring and connector repair in Claremont runs $150-$350 for a typical service call with parts.

Panel Replacement After Damage
Fallen branches from protected oaks, wind-driven debris, and the occasional hail event all damage panels in Claremont. We source replacement panels that match your array’s existing wattage and dimensions, or we re-string and reconfigure if your original panel model is discontinued. Standard panel replacement in Claremont runs $350-$650 per panel installed, depending on racking compatibility and roof access.

Roof Leak Repair Around Mounts
Leaks around solar mounts in Claremont happen more than in neighboring cities because the protected street trees drop leaves and sap that sit on the roof, clog drainage, and hold moisture against the flashing. Add years of thermal cycling and you get failed sealant. We locate the leak, remove the compromised flashing, re-flash properly, and reseal with commercial-grade sealant. Roof leak repair around mounts in Claremont runs $250-$500 per penetration area.

Orphaned-System Takeover
More than a few Claremont homeowners bought systems from companies that no longer exist. We take over orphaned systems, document what’s salvageable, quote the repair based on what’s actually failing, and get the system back into production. We’ll also help you regain access to your monitoring portal if you’ve lost the original installer’s login credentials. This is one of the most common calls we get from Claremont residents, and we’d rather repair a five-year-old system than sell you a new one you don’t need.

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 Claremont
We work on equipment from Enphase, Tesla, SolarEdge, and FranklinWH. Claremont’s shade-heavy lots mean microinverter systems are extremely common here, and we keep Enphase and SolarEdge microinverters stocked for same-day swaps. If we need a specific Tesla or FranklinWH part, we can typically source it within 1-2 business days through our supply chain. We don’t push a new inverter brand on you just because it’s what we sell; we repair or replace with what your system actually needs.
Common Solar Panel Repair Problems We See in Claremont Homes
- Overworked microinverters under partial shade. Claremont’s City of Trees ordinance protects mature oaks and jacarandas, so panels can sit under filtered shade for years. The panel may test fine, but the microinverter underneath has been cycling hard for a decade trying to squeeze kWh from a canopy-filtered azimuth. That’s the part that fails.
- Clogged drainage channels from leaf litter and sap. Protected street trees drop leaves and sap directly onto panels, especially on homes near the Village and along Indian Hill Boulevard. The debris collects in drainage channels, holds moisture, and creates hot spots that degrade cells faster in Claremont’s summer heat.
- Interconnection limits on older Craftsman homes. Many of the pre-WWII Craftsman bungalows near the Village still have 100-amp electrical panels. When a repair requires a new inverter, the upgrade can hit the limits of the service panel, which means a panel upgrade has to happen before the repair can be completed.
- Failed roof penetrations from original installs. We regularly see original installers flash penetrations with cheap tar-based sealant that dries out in Claremont’s heat. Five years later, water is in the attic and the homeowner thinks the panels caused the leak. It was the flashing, not the glass.
Pricing for Solar Panel Repair in Claremont, CA
Here’s what we charge in Claremont. Real numbers, not a range pulled from a national average. A microinverter replacement runs $280-$450. Wiring and connector repair is $150-$350. A full string inverter replacement is $1,200-$1,800. Panel replacement after damage runs $350-$650 per panel. Roof leak repair around mounts is $250-$500. A diagnostic service call to identify the problem is free when you proceed with the repair. We offer $40 off any repair over $200, a free second opinion on any written estimate, no trip charge inside our own county, and a senior and veteran 10% discount that never expires. The price quoted is the price charged. We don’t re-quote on the roof. Call (877) 550-6892 for an exact quote, and we’ll build the math off your actual utility bill, not a brochure estimate.
We Also Serve Cities Near Claremont
While this page is written for Claremont, our crews also handle solar panel repair in Claremont-area neighbors: Montclair, La Verne, Upland, and Pomona. If you’re just over the city line, the same team, pricing, and warranty apply. Call (877) 550-6892 and we’ll confirm your address and schedule.
Serving Claremont, CA - Our Local Coverage Area
We’re based in the Claremont 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 Claremont
Your panels likely didn’t stop producing - the microinverters or power optimizers underneath them did. In Claremont, protected oaks and jacarandas grow slowly but steadily, and by year five or six the panel that used to get full sun is now in filtered shade. The panel itself is usually fine. The inverter has been working harder to extract power from a weakened signal, and that thermal stress is what kills it. We test each panel individually so we’re not replacing glass when we should be replacing the brain underneath. Call (877) 550-6892 for a per-panel diagnostic.
Sometimes, but not always. If the repair is a failed microinverter or a wiring fix, the 100-amp panel usually doesn’t need to change. If the repair requires a new string inverter that draws more current than your existing service can handle, then your panel becomes the bottleneck. We’ll tell you honestly whether the panel upgrade is required for code compliance or just recommended. Either way, the repair quote won’t change after we start. Call (877) 550-6892 and we’ll assess it.
Claremont’s protected tree canopy drops leaves and sap onto roofs, which is why Claremont solar panel cleaning matters - those organic layers trap moisture against the mount flashing. Add the city’s 100°F summer cycles expanding and contracting the sealant, and you get failures faster than in treeless parts of Pomona or Ontario. The fix is removing the old flashing, cleaning the penetration, and re-flashing with proper materials, not smearing more caulk over the failure. We do this on Claremont roofs almost every month.
If you’re on a legacy NEM 2.0 agreement, repairing your existing system almost always beats replacing it, because your export rates are locked in and replacing the array can trigger a new interconnection agreement under less favorable NEM 3.0 terms. We walk Claremont homeowners through their true-up statements and show them the real payback math before they spend money. Call (877) 550-6892 and we’ll pull your bill and walk through it with you.
Yes. Orphaned-system takeover is one of the most common calls we get in Claremont. We document the system, identify what’s actually failing, match the existing equipment, and get it back into production without pressure to replace everything. If you’ve lost access to your monitoring portal, we’ll help you recover it or set up a new monitoring path. Call (877) 550-6892 and we’ll schedule a diagnostic.
Call Gus’s Solar for Solar Panel Repair in Claremont, CA
If your system is underproducing, leaking, or just dead, call (877) 550-6892. You’ll get a live person, 24/7. We’ll quote the repair off your actual production data and your actual bill. Take two weeks to think about it - the price will be the same. If a salesman needs an answer tonight, the answer is no. Gus’s Solar serves Solar Panel Repair in Claremont and surrounding Inland Empire cities from the Los Angeles-area office, with local crews who know the rooftops, the tree ordinance, and the foothill climate. Estimates are free.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Claremont and the surrounding communities since 2011.






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