What a repair visit sorts out, and who may do it
A repair visit finds which part has failed, whether a panel, a string of panels, the inverter, the wiring or the monitoring connection, and fixes or replaces it. CSLB's Solar Smart page describes the C-46 Solar class as covering work to install, modify, maintain and repair thermal and photovoltaic systems, and the C-10 Electrical class as covering solar projects that generate, transmit, transform or use electrical energy. Heating-only classes (C-4, C-36, C-53) don't appear among the PV classes. CSLB warns against hiring a contractor whose license doesn't cover solar work, so look up the number and class on CSLB's license lookup first.
California repair visit prices, and what a visit leaves out
Our model puts a solar repair at $370 to $1,250 per repair visit. It starts from one national range, widened 15 percent each side, and applies California's installer wage ratio of 1.09; no permit fee is added and no federal credit comes off. Treat it as an estimate; no company has quoted it.
The model doesn't cover replacement equipment, roof work or a second visit. Ask whether the diagnostic is credited toward the repair and what the warranty covers after the fix.
| Item | Figure | What it is |
|---|---|---|
| Estimated range, not a quote | $370 to $1,250 per repair visit | Built from one national published range, adjusted by the California solar installer wage ratio (1.09). Before any incentive: there is no federal credit for a system installed in 2026. Basis: no California company price for this job, so the national estimate stands. |
| Solar photovoltaic installer wage, California mean | $30.42 an hour | BLS OEWS, May 2025: what a technician earns, not what a repair visit costs. |
Estimated range. Built from national published ranges (1 source), adjusted by California's solar installer wage ratio to the US (1.09, BLS May 2025), plus the city solar permit fee where the city publishes one. Not a quote. One California installer publishes its own quoted range (per watt and per battery), too few to build a range from; the others print blog averages, which we do not count. We have no California company price for this job, so the range is our national estimate alone. Full method. Prices as of Oct 23, 2026.
The installer, the warranty and the contract come first
Before you book a stranger, find the original contract and the equipment warranties and call the company that installed the system. A California contract for a residential solar installation carries a cover-page disclosure under B&P 7169, so the papers you signed should show the total cost and how to complain.
For a complaint about the original installer, the disclosure form names three routes: CSLB's website (search "complaint form"), 800-321-CSLB (2752), or P.O. Box 26000, Sacramento, CA 95826. Under B&P 7170 CSLB reviews solar complaints and reports them each year by number, type, ZIP code and outcome on its own and the CPUC's websites.
If the system is leased or on a power purchase agreement, you don't own it. CSLB's supporting-information form asks whether the deal is a lease or PPA, and that contract decides who pays for a repair.
Put the repair on paper. CSLB's contract page requires a written contract for every home improvement project over $500, with any changes in writing, so ask whether the company writes the repair up that way. CSLB's pages don't set a statutory warranty for solar repairs, so have the company name its labor and parts warranty in the contract, as CSLB advises.
An emergency visit can be different. CSLB says a "Service and Repair" contract for emergency repairs you request on short notice is an exception to the three-day right to cancel. The contract should say it's a service and repair agreement, and the total for labor and materials must be under $750. Since 2021, buyers 65 and older have had five days to cancel service and repair contracts as well as home improvement ones (AB 2471).
Replacement parts, the CEC lists and written claims
The California Energy Commission says it doesn't require equipment to be on its solar equipment lists as a condition of installing it in California, though some utilities and local governments use the lists in interconnection or permit applications. Rule 21 certification is where they count. The joint PG&E, SCE and SDG&E instruction sheet (version 6/5/2025) accepts an application through the CEC route only with a "Y" in the list's UL 1741 SB, 3rd Edition column and a "Y" or "Y*" in its CSIP conformance column. The same sheet asks for UL 61730 on panels and UL 1973 on batteries, so get the replacement part's make and model on the quote.
A repair pitch that promises a production figure is a claim to get in writing, as Solar Smart advises for every savings and production claim.
When a repair changes what your utility approved
Under Rule 21, a request to make a Material Modification to an existing system is itself an interconnection request. SCE's tariff sheet defines a Material Modification as one with "a material impact on cost or timing" of any interconnection request with the same or a later queue priority date, or a change in the point of interconnection. A change in ownership isn't one.
Form 79-1211 is PG&E's worksheet. It covers inverter-based systems that already have permission to operate, and it "is not required" when a part is replaced with the "exact same equipment type (i.e. same make and model)". For a different panel, the form's like-for-like test is a certified module with the same CEC-AC rating of the system or smaller; for a battery, the same or lower kWh and kW rating and the same operating profile. Inverters have their own tiers, set out on the inverter replacement page.
SCE's FAQ lets a "qualified like-for-like equipment replacement, where the system output does not exceed what was originally approved by SCE" go ahead on Form 14-987, emailed to SCE, with no new application and no SCE approval. Raising output by more than 10 percent of the original net output capacity or 100 kW, whichever is less, takes a new application and SCE's approval. Keep a copy of the form.
SDG&E's NEM application, Form 142-02773, carries a request to modify an existing interconnection agreement "due to modifications (e.g., adding photovoltaic panels or changing inverters/turbines)" for a system that already has permission to operate. SDG&E also lists a material modification worksheet, Form 117-2300. Ask which one the company will file.
A production dip, your bill and the tariff you're on
Under net billing, the CPUC credits exports at hourly Avoided Cost Calculator values that are usually lower than import rates. Read the exports line on your utility bill, compare it with the monitoring app before you call, and tell the company what each shows, with dates.
Customers on NEM 2.0 may stay on that tariff for 20 years from the date they interconnected, and NBT customers keep theirs for nine years. Have the permission-to-operate letter ready if the repair changes equipment the utility approved.
Repair, swap the inverter, or take the array down
If the visit finds an inverter failure, the inverter replacement page has its own estimate rows. A roof that needs work sends you to the panel removal and reinstall page covers taking the array off and putting it back. Ask the company to price each fix as a separate line, so you can compare it with a replacement.
When solar trouble can't wait
- If the inverter, panels or wiring are smoking, burning or giving off a burning smell, call 911 before anything else.
- Output has fallen off but nothing is smoking or burning.
- The monitoring app is offline.
- A panel has cracked but is not smoking or burning.
Check these before you send the form.
- Smoke, a burning smell or fire at the inverter, the panels or the wiring? Call 911.
- Will the roof need replacing while the panels are on it? Taking panels off and putting them back is its own job with its own cost, so the quote isn't worth getting yet.
- Is most of the roof shaded for much of the day? Then hold off, because heavy shade is a reason a quote isn't worth getting yet.
- Does a pitch promise no electric bill, free solar or no upfront cost? Ask for the total price including financing in writing, and don't sign before you have it.
- None of those, and you want a price for panels, a battery or a repair? The normal form is fine, and the quote guide lists what to compare.
A yes to the first question means calling 911 first. If it's the second or third, settle the roof or the shade first, and if it's the fourth, ask for the total price in writing before you agree to anything.
What to check from the ground and the app
- Read the inverter display or the monitoring app and note any message or error code exactly as shown.
- Look at the exports line on the latest utility bill.
- Gather the contract, the disclosure page and the warranty papers.
Does a repair need a permit
The city PV fee rows that print a price are written for new systems, so ask your building department whether the work found needs an electrical permit. Ask the company, too, who tells PG&E, SCE or SDG&E if equipment changes; the interconnection and permits page covers their review times and application fees.
PG&E's modification worksheet says the customer remains responsible for any approval the local building department requires.
Ask for the company's contractor license number and look it up with your state's licensing board before you sign.
Questions people ask
Who can repair a solar system in California?
A contractor in a class CSLB names for PV work, such as C-46 or C-10. Solar Smart's C-46 description covers work to install, modify, maintain and repair PV systems, so look up the number and class on CSLB's lookup.
Does a solar repair need a permit?
Ask your city's building department once the work is known. Our model adds no permit fee to a repair visit.
What if my installer is out of business?
CSLB receives solar complaints and reports them every year. Reach it at 800-321-CSLB (2752), and bring the contract and warranties to whichever company you hire next.
Do replacement parts have to be on the CEC list?
Not as a condition of installing them, the CEC says. A PG&E, SCE or SDG&E interconnection does check equipment against the CEC listing or the utility's own list under Rule 21, so ask for the part's make and model before the repair is booked.
How much does a solar repair cost in California?
The model range is $370 to $1,250 per repair visit, an estimate rather than a quote. It's built from one national figure, widened 15 percent each side, and adjusted for California wages.
- U.S. Bureau of Labor Statistics, OEWS May 2025: Solar photovoltaic installers (SOC 47-2231), California statewide, mean hourly wage Read Oct 23, 2026.
- U.S. Bureau of Labor Statistics, OEWS May 2025: Solar photovoltaic installers (SOC 47-2231), United States (national), mean hourly wage Read Oct 23, 2026.
- SolarPanelMatch: how we estimate costs, California (editorial policy) Read Oct 23, 2026.
- BLS Public Data API (OEWS series OEUS060000000000047223101..13, OEUN000000000000047223101..13) Read Oct 23, 2026.
- CSLB Solar Smart Read Oct 23, 2026.
- CSLB Licensing Classifications Read Oct 23, 2026.
- B&P Code 7169 (leginfo) Read Oct 23, 2026.
- B&P Code 7170 (leginfo) Read Oct 23, 2026.
- CSLB Solar Energy System Disclosure Document (13L-6) Read Oct 23, 2026.
- CSLB Solar Energy System Supporting Information Read Oct 23, 2026.
- CEC Solar Equipment Lists Program Read Oct 23, 2026.
- CPUC Net Energy Metering and Net Billing Read Oct 23, 2026.
- PG&E tariff form 79-1211 (Advice 6155-E-A, June 2021; D.19-03-013; Res. E-5035) Read Oct 23, 2026.
- SCE, Net Energy Metering FAQ Read Oct 23, 2026.
- SCE Electric Rule 21, Generating Facility Interconnections (tariff text) Read Oct 23, 2026.
- SDG&E, Form 142-02773; NEM Documents page Read Oct 23, 2026.
- PG&E/SCE/SDG&E joint Instruction Sheet, Rule 21 equipment certification (6/5/2025) Read Oct 23, 2026.
- CSLB, What Is A Contract? Read Oct 23, 2026.
- CSLB, Home Improvement Contracts: Warnings and Exceptions Read Oct 23, 2026.