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 Agoura Hills
Solar panel repair in Agoura Hills usually runs $180 to $340 for a diagnostic and standard component fix, and most jobs are completed the same week we come out. That’s the honest number, and it’s the number Gus’s Solar quotes before we ever set foot on your roof. If your system isn’t producing what it should, if an inverter threw a fault code after the last Santa Ana, or if you bought a home with panels the previous owner never really maintained, call us at (877) 550-6892. We’ll send a real technician, not a salesperson, to look at what’s actually wrong.
We’ve been working on Agoura Hills rooftops long enough to know the difference between a Fountainwood tract home built in 1987 and a post-Woolsey rebuild off Kanan Road. That local knowledge changes how we diagnose problems, what parts we carry on the truck, and how fast we can get your system producing again. The Solar Panel Repair work we do here isn’t one-size-fits-all.
Why Gus’s Solar Is Agoura Hills’s Preferred Solar Panel Repair Company
Gus Petrakis founded this company in 2011 and put his own name on the truck. That’s not marketing. When you call, a live person answers, 24/7, and if something goes sideways two weeks after a repair, the same crew that did the work comes back. No ticketing portal. No call center three states away. Every job carries our 90-Day Done Right Promise in writing: if it isn’t right, Gus makes it right.
We’re the crew other Agoura Hills homeowners call when their original installer stopped picking up. Orphaned-system takeovers are a big part of what we do in the 91301 and 91376 ZIPs. Out-of-state companies that sold systems here during the solar boom often have no local service presence left, and homeowners are stuck with a dead array and a stack of paperwork. Gus’s Solar steps in, documents the existing system, diagnoses the fault, and gets it running again. We also offer a Free Second Opinion on Any Written Estimate, so if another company gave you a repair quote, bring it to us. We’ll tell you straight if it’s fair, and our Senior and Veteran 10% discount never expires.
We’re easy to check before you commit. Gus publishes his name, address, and license number. Our technicians are background-checked and uniformed, so you know who’s on your roof before they climb the ladder. No subcontractors. Ever. The person who diagnoses your repair is the person who fixes it.
Our Solar Panel Repair Services in Agoura Hills
Inverter Repair & Replacement
A failed inverter is the single most common reason an Agoura Hills system goes dark. String inverters on older 2010-era installs in Old Agoura and Fountainwood are reaching end-of-life now, and most homeowners don’t realize the inverter warranty ran out two years ago. Inverter repair in Agoura Hills typically runs $250 to $450 for component-level fixes (fans, capacitors, DC disconnect replacement), while a full replacement ranges $1,400 to $2,800 depending on brand and capacity. We stock common replacements for SolarEdge and Enphase systems so a repair often happens in a single visit.

Microinverter Replacement
If one panel in your array is underproducing while the rest are healthy, the microinverter under that panel is the prime suspect. Microinverter replacement in Agoura Hills runs $300 to $550 per unit installed, including the Enphase or SolarEdge part, roof access, and re-commissioning through your monitoring portal. We replaced three microinverters on a hillside array off Mulholland Highway last spring where Santa Ana-driven uplift had fatigued the trunk cable connections. Each panel tested fine; each microinverter was dead.

Wiring & Connector Repair
This is where the marine layer does its work. Agoura Hills sits close enough to the coast that morning marine air pushes inland through Malibu Canyon, and salt-laden moisture settles on exposed MC4 connectors, junction boxes, and inverter enclosures. We see intermittent ground faults on otherwise healthy systems, and standard production estimates miss them entirely. Wiring and connector repair in Agoura Hills runs $150 to $400 depending on how many roof penetrations and junction boxes need attention. We replace corroded MC4 connector bodies, re-torque terminal blocks, and reseal every entry point with proper strain reliefs.

Panel Replacement After Damage
Santa Ana winds funneling through the Conejo Grade corridor can pick up roofing tiles, branches, and debris. We’ve replaced panels struck by flying clay tile in Old Agoura and a REC panel cracked by a falling limb off a mature oak on a Fountainwood property. Panel replacement after damage in Agoura Hills runs $350 to $700 per panel including removal, disposal of the damaged unit, installation of a matching or compatible replacement, and integration with your existing racking. If the array was installed before 2015, we may recommend matching wattage and spec rather than an identical panel, since original models are often discontinued. We carry Qcells, REC, and Panasonic replacements.

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 Agoura Hills
Your repair should use parts that match your existing system, not whatever’s on sale at a big-box distributor. We service and stock components for Enphase, SolarEdge, Tesla, SunPower, and FranklinWH systems. For panel replacements, we typically work with Qcells, REC, and Panasonic modules because they hold up well to the UV exposure and wind loading Agoura Hills rooftops see. Gus has been in this trade since 2011, and he specs parts for year-25 performance, not day-one brochure numbers. That’s why we stock local parts for Agoura Hills customers and can usually complete a standard repair without waiting for a shipment.
Common Solar Panel Repair Problems We See in Agoura Hills Homes
- Corroded MC4 connectors from marine-layer salt. The morning marine layer that rolls through Malibu Canyon isn’t just fog. It carries salt that settles on rooftop electrical connections, and over years it causes pitting, resistance, and intermittent ground faults. We replace connector bodies with sealed, dielectric-greased units.
- Racking fasteners loosened by Santa Ana winds. The Conejo Grade and Malibu Canyon channels focus wind energy. Bolts and roof attachment hardware gradually work loose on hillside arrays, leading to panel lift, microinverter wiring fatigue, and edge-clamp wear. We torque every fastener to the high end of the manufacturer’s uplift spec.
- Original 100-150A panels on 1970s-1990s tract homes. Fountainwood and north Old Agoura homes built before 1995 often carry electrical panels that were sized for gas appliances and a 1990s family’s load. A routine panel replacement can expose insufficient service capacity, requiring a service upgrade before the array is safely back online.
- Orphaned systems with locked-out monitoring. Homeowners who bought a house with existing solar often don’t have access to the original monitoring portal. The previous installer is gone, the Enphase or SolarEdge account is registered to an unknown email, and nobody knows the system’s production history. We rebuild the monitoring account, document every component, and commission the system under your ownership.
Pricing for Solar Panel Repair in Agoura Hills, CA
Here’s what Agoura Hills homeowners can expect to pay for the most common repairs. Diagnostic visits run $90 to $120, and that fee is credited toward the repair if you proceed. Inverter repair runs $250 to $450; full inverter replacement $1,400 to $2,800. Microinverter replacement runs $300 to $550 per unit. Wiring and connector repair runs $150 to $400. Panel replacement after damage runs $350 to $700 per panel. Roof leak repair around mounts runs $200 to $600 depending on the number of penetrations. A 100A-to-200A panel upgrade, when required, typically falls between $3,200 and $5,500 including materials, labor, and permit. Every quote is built off your actual system and your actual roof, not a brochure estimate. Call (877) 550-6892 for a free estimate. And take two weeks to think about it. The price will be the same.
We Also Serve Cities Near Agoura Hills
If you’re in Agoura Hills, we’re already on the road. Our crews also run calls in Agoura, Westlake Village, Oak Park, and Thousand Oaks. When a system goes down in the 91301 ZIP, we’re typically on site within one to two business days. Bring us a bill and we’ll bring you the math, wherever in the Conejo Valley you are.
Serving Agoura Hills, CA - Our Local Coverage Area
We’re based in the Agoura Hills 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 Agoura Hills
Homes rebuilt in Agoura Hills after the Woolsey Fire under California’s Title 24 mandate often include 200-225A upgraded panels and conduit stubs terminating at the roofline. You’ll see a capped metal or PVC pipe near your roofline or a labeled conduit in the main panel area. What this means for a repair call is simple: your home may have never-energized solar infrastructure, and the first repair technician to check those stubs and panel busbars can determine whether you need a simple component repair or a full energization and commissioning. Call (877) 550-6892 and we’ll check it during a free estimate.
Almost never. When Santa Ana winds blow through the Malibu Canyon and Conejo Grade corridors, they stress the racking, not the panels themselves. Loose fasteners allow panel up-lift, which tugs on microinverter wiring and trunk cables. The inverter sees an arc fault or ground fault and trips. The fix is usually mechanical and electrical: re-torque the entire array to the high end of the manufacturer’s uplift spec, replace any fatigued or corroded MC4 connectors, and test every microinverter for degradation. We’ve done exactly this on rebuilt homes in Old Agoura. Call (877) 550-6892 to schedule an inspection.
Agoura Hills has some of the best solar insolation in Los Angeles County, so a shortfall usually points to a hardware fault, not the sun. Intermittent ground faults from salt-corroded MC4 connectors are a top culprit, followed by microinverter failures and inverter derating from heat. A system with a single failed microinverter can lose more production than the one panel’s share because string-level or branch-level monitoring flags the whole branch. We diagnose the actual fault and fix it rather than telling you the system is “acting normal.” Estimates are free.
Yes, and it’s one of the most common calls we get in the 91301 and 91376 ZIPs. We document the existing system, identify every component, rebuild the monitoring account under your name, and perform a full safety and production audit. Then we repair what’s wrong and stand behind it with our 90-Day Done Right Promise. If you have a written estimate from another company, bring it in for a Free Second Opinion. Gus will tell you if it’s honest.
Usually, yes, if the repair requires a new branch circuit or if the array’s load calculations exceed the existing panel’s capacity. Fountainwood homes from the 1970s through the early 1990s frequently still carry original 100-150A panels sized for a pre-solar era. Even if your existing system was approved years ago, adding or replacing panels may require bringing the service up to code. We’ll tell you during the estimate whether a panel upgrade is required and what it will cost. Call (877) 550-6892 for a straight answer.
What Post-Woolsey Rebuilds Taught Us About Solar Repair in Agoura Hills
Agoura Hills is the only city in the Conejo Valley where a meaningful share of the current housing stock was rebuilt from the ground up between 2019 and 2023 under Title 24. That means hundreds of homes in the 91301 ZIP carry 200-225A panels and pre-run conduit stubs that were never energized because the original buyer deferred activation, the builder never scheduled commissioning, or the property changed hands before the system went live. A Solar Panel Repair crew here is frequently the first to inspect and energize a never-commissioned system. That condition is almost absent in neighboring Thousand Oaks or Westlake Village.
We saw this pattern clearly after a Santa Ana event tore a section of racking loose on a rebuilt home in Old Agoura. Our tech found the Enphase microinverters still within degradation tolerance, but two MC4 connectors were heavily corroded by salt-laden morning marine layer. We replaced the connector bodies, re-torqued the entire array to the high end of the manufacturer’s uplift spec, and restored full kWh offset without triggering a rapid shutdown fault. That single repair required understanding both the wind loading from the Malibu Canyon corridor and the corrosion pattern from inland-moving coastal air. It’s the kind of knowledge you only get from working across Agoura Hills rooftops year after year.
If your system is down, if your inverter is throwing a fault, or if you’ve never really trusted the last company that touched your panels, call Gus’s Solar at (877) 550-6892. We’ll tell you what’s wrong, what it costs, and take the time to explain it. No signature tonight. No pressure. Just a real local crew that answers the phone.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Agoura Hills since founding the company in 2011.






Before
After
Before
After
Before
After