Solar Installation San Diego

Solar works well in San Diego. A lot of sun. High power bills. But the roof has to be right first. Solar installation should never be rushed or treated like an add-on. We handle it the same way we handle roofing. Carefully.

  • Free, No-Pressure Estimates

  • 40+ years in business

  • Licensed & Insured

GET A FREE QUOTE!

We design solar around the roof it sits on. Because we hold roofing (C-39) and electrical (C-10) on one license, the same company checks the underlayment, sets the mounts, and does the interconnection with SDG&E. Under net billing, exported power earns little, so most systems we size today pair panels with storage rather than chasing the biggest array that fits.

Next: roof before solar · battery storage

When Solar Installation Makes Sense

Solar installation makes sense when the roof is in good shape, and the home gets solid sun exposure. South and west facing roofs usually work best, but every house is different. Shade, pitch, and age of the roof all matter.

We see plenty of homes around Spring Valley, La Mesa, El Cajon, and Chula Vista that are great candidates, but only after the roof is looked at first. If the roof won’t last, solar shouldn’t go on it yet.

What Solar Installation Includes

Solar installation includes layout planning, mounting, wiring, inverter setup, and tying everything into the electrical system. Panels are placed where they’ll actually perform, not just where they fit.

Roof penetrations are sealed properly and flashed the right way. That part gets skipped too often. Because we’re also a roofing contractor, the roof side of the install gets the same attention as the electrical side.

How Long Solar Installation Takes

Most residential solar installations take a few days once work starts. Some are quicker. Some take longer depending on system size and roof type.

Tile roofs take more time than shingle. Older electrical panels can add steps. We walk through timing before anything begins so there are no surprises once crews are on-site.

San Diego-specific solar considerations

Sun exposure is great here, but heat matters too. Equipment needs to be rated for constant UV and high temperatures. Panel placement affects performance more than people think.

We also see a lot of older homes with roofing and electrical systems that weren’t designed with solar in mind. That doesn’t mean solar won’t work. It just means the install has to account for real conditions, not just ideal ones. Learn about NEM 3.0 here

Roofing and solar need to work together

This is where problems usually happen. Solar installed on a roof that’s near the end of its life. Leaks later. Panels come off. Everyone points fingers.

We handle solar installation, roof repair, and roof replacement together. If the roof needs work first, that gets handled before panels go on. One company. One plan. No confusion later.

Permits and inspections

Solar installation in San Diego requires things like both permits and inspections. We handle that process and coordinate with the city and utility.

This takes time but it’s part of doing the job right. Skipping steps causes issues later, especially if the home is sold or the system needs service.

Common questions about solar installation in San Diego

How long does a solar installation take?

Once work starts, most residential installs take a few days on the roof. Tile roofs take longer than shingle, and an older electrical panel can add a step. The longer part is permitting and utility interconnection, which we manage with the city and SDG&E — we walk you through the whole timeline before anything begins.

Is my roof in good enough shape for solar?

That is the first thing we check, because we are the roofer as well as the solar contractor. If the roof has years of life left, we install with attachment points and flashing done properly. If it does not, we tell you, and you can pair a roof replacement with the solar install so one company is responsible for both.

Is solar still worth it in San Diego under NEM 3.0?

It can be, but the math changed. Under NEM 3.0 the credit for power you export is small, so a well-designed system today pairs solar with a battery so you use your own power in the evening peak instead of selling it cheap. We size the system to how your home actually uses electricity, not to the biggest array that fits. Financing is available.

My original solar installer went out of business. Can you service the system?

Yes. We service systems from installers that have closed — SunPower, Titan, Sunnova, SolarCity and dozens of others — for diagnostics, repairs, inverter and panel replacement, and battery add-ons. Find your installer in our closed contractor directory. We are not affiliated with any of them; we are a local licensed contractor, CSLB #1130793.

GET A FREE QUOTE!

Request A Free Solar Installation Quote

San Diego Location

Serving San Diego County

If your home is in San Diego County, there’s a good chance we’ve worked on a project nearby.

Not sure whether we service your location, just ask!

McKay Roofing and Solar

San Diego Office

9520 Padgett St, Suite 107, San Diego, CA 92126

Licensed & Insured

License #1130793

Contact Information

Hours

Mon - Fri: 7am - 4:30pm

Sat: Closed

Sun: Closed