Coastal or inland load profile?
Marine-layer neighborhoods and hotter inland communities can have very different cooling and production patterns. The proposal should use the home's address and electric use—not a citywide average.
Tesla Powerwall Premier Certified· BBB A+· Google 4.8★ (400+)· CSLB #1023627

San Diego County · Solar, batteries & service
From our La Jolla office, we serve San Diego County with solar and batteries designed around SDG&E service. Compare your daytime generation, evening electricity use and backup priorities before deciding how much storage your home needs.
Your home. Your numbers. Your pace.
You shouldn't have to sit through a sales presentation to see a design and a price. Build your instant quote online, then use a site audit to check the details that a roof model can't see.
Get My Instant Solar Quote →No sales call required. Prefer a person? Call our team.
Enter your address and electricity bill. Compare a solar design and battery options around your home, not a generic package.
Eligible Southern California addresses can book online. We inspect the roof, electrical equipment and installation conditions to verify the proposed scope.
Understand the confirmed scope, any pricing changes and the next agreement step. Our sales and customer-service teams are available when you want help.
San Diego · Solar designed around the whole day
A useful San Diego proposal should connect roof production, evening electricity use, battery priorities, and the City and SDG&E approval path before asking you to choose equipment.
Licensed California contractor · CSLB #1023627 · No obligation

Three answers before equipment
The recommendation should explain the home and its daily energy pattern, not just list panels and batteries. These are the decisions we want resolved before you compare a final design.
Marine-layer neighborhoods and hotter inland communities can have very different cooling and production patterns. The proposal should use the home's address and electric use—not a citywide average.
Clay tile, concrete tile, composition shingle, and low-slope roofs need different mounting, flashing, access, and layout decisions. Roof condition belongs in the first design conversation.
Evening energy shifting and outage backup are different jobs. Name the essential circuits, desired backup duration, and daily use case before choosing capacity.
Part of 6,373 projects & service calls OC Solar has handled across Southern California since 2016, per company records as of June 2026. The count demonstrates local experience; each home still receives its own roof, usage, and backup evaluation.

Two verified San Diego project paths
These published project records show two different ways a San Diego home can pair solar generation with evening storage. The right path depends on the existing roof, the loads, and whether the project is a solar installation or a complete roof replacement.
Verified local project
~7.7 kW solar · Tesla Powerwall 3
On SDG&E — among the highest time-of-use rates in the country — a battery-anchored design where storing daytime solar for the evening peak drives the savings.
View the complete project →Verified local project
~9.2 kW Tesla Solar Roof · 2× Tesla Powerwall 3
A ~9.2 kW Tesla Solar Roof with two Powerwall 3 batteries and a Tesla Backup Switch for a San Diego home on SDG&E, built to store daytime solar and carry the home through the evening peak.
View the complete project →Already have solar?
OC Solar works on existing systems in San Diego—including equipment installed by another company. We assess panel and battery additions, diagnose failures, and review projects an installer left unfinished.
For San Diego homeowners planning around outages or fire-season shutoffs, we review a battery's backup configuration, the circuits it can support and the runtime those loads need. If your tile roof needs work, ask us to review panel removal, tile condition, flashing and reinstallation together before the roofing schedule is set.
Compare the complete project
A panel count and a monthly payment aren't enough. Bring a recent bill, any existing solar plans, and your priorities for backup power. These are the details worth comparing before choosing an installer.
For San Diego, start with SDG&E and confirm that City of San Diego is the correct permitting authority for your property. A mailing city alone is not enough to verify jurisdiction.
Compare an existing solar quote →Check the local rules at the source
Program references checked September 2026. Your existing tariff and any community-choice generation provider may change the comparison; current utility terms control.
San Diego savings
Start with your address and bill to explore a roof-modeled design and estimated pricing. No sales call required; the site audit verifies installation details before pricing is confirmed.
Browse real Southern California installations and verified homeowner reviews.
What we install
Why San Diego chooses OC Solar
Manufacturer certifications


1 of 12 installersAwards & recognition
2024

#1 in California2026
Best Equipment2026
Best Installation2026Ratings, license & partnership
Since 2017
Team partnershipSan Diego solar FAQ
Yes. OC Solar serves San Diego in San Diego County with custom solar panels, battery storage and Tesla Solar Roof, plus assessment of existing-system upgrades, repairs and unfinished projects. We confirm the property's address, equipment and project scope before scheduling the work.
San Diego is served by SDG&E. We handle interconnection and Permission to Operate (PTO) with them end-to-end so you don't have to.
Yes. We confirm the property's permitting authority, prepare the solar and battery permit package for City of San Diego, and coordinate inspection and utility interconnection. HOA or historic-design review may be a separate step where it applies. Permit approval and utility Permission to Operate are different milestones; neither is guaranteed by an online estimate or audit booking.
For new solar on SDG&E's NEM 3.0 Solar Billing Plan, a battery can improve savings by storing daytime solar for use during expensive evening hours. If you already have solar, we check your existing NEM agreement before recommending an expansion. A battery configured for backup can also power selected home circuits during an outage, within its capacity.
There's no honest single San Diego price — cost is driven by your system size (kW), your roof's layout and condition, the equipment you choose, and any electrical work like a main-panel upgrade. Your exposure to SDG&E rates and whether you pair a battery under your current NEM or Solar Billing Plan drive the value side. See our guide to California solar cost by system size for what moves the number, use our savings calculator to model your bill, and we'll price your actual roof with a free, itemized estimate.
Yes. Start with your address and electricity bill at ocsolar.com to explore a roof-modeled design and estimated pricing without a sales call. Eligible Southern California addresses can book an available site-audit appointment online. The audit checks the roof, electrical equipment and installation conditions before pricing is confirmed. If your address or project needs an individual review, our team can help; you do not have to commit to an installation to request an estimate.
An online model cannot inspect roof condition, concealed wiring, the main electrical panel or the final battery location. Roof repairs, electrical upgrades, access constraints or a change to the equipment and backup scope can affect the final price. Ask for an itemized scope that identifies any changes from the online estimate, the equipment models, permit and interconnection responsibilities, and exclusions before you decide. We check the requirements for City of San Diego and the utility serving your property as part of that review.
Yes. We review battery additions and panel expansions, including systems installed by another company. For your San Diego property, we check the existing inverter, electrical panel, usable roof space, system ownership and utility agreement before recommending equipment. A battery retrofit and a panel expansion can have different interconnection implications; we do not assume adding equipment preserves an existing NEM tariff. Bring the original plans or equipment details and a recent bill from the provider serving your address.
Yes. OC Solar assesses solar repairs and unfinished projects in San Diego, including systems whose installer closed or stopped responding. Share the equipment details, original contract, permit status and any inspection or utility notices so we can identify what remains. We confirm compatibility, access, documentation and the work we can take on before quoting. Taking over service does not automatically transfer the previous installer's workmanship warranty or make every manufacturer claim eligible.
The City of San Diego participates in an instant online permitting program (built on the SolarAPP+ platform) for qualifying residential solar and battery storage systems, which can issue an approved permit the same day instead of waiting on manual plan review. We handle that submittal for you, and because SDG&E's time-of-use rates make storage valuable here, we typically permit solar and a battery together so the system is inspection-ready in one pass.
Want exact numbers for your home? Get a free, itemized estimate.
Keep researching
The cost, worth-it, NEM 3.0, and battery guides behind every honest California solar decision.
The 2026 per-watt cost picture and what moves the number.
The honest 2026 worth-it analysis, utility by utility.
The net-billing rules that decide your savings.
When storage pays under NEM 3.0 — and when it doesn't.

Refer & earn
Know someone tired of rising utility bills? Send them our way. When your friend or family member goes solar with OC Solar, we'll thank you with $500.
Send their info
Share your friend's name and a way to reach them — takes a minute.
They go solar
We design, install, and power on their system, start to finish.
You get $500
Paid after their system is installed. Refer as many as you like.
Or call 949-427-8817 to refer someone. Terms apply.
Design it online and compare modeled pricing—no sales call required. Eligible Southern California addresses can also book a free site audit. Prefer help? Our local team is available.
Already a customer? Refer a friend & get $500 · See all OC Solar reviews
Licensed, Bonded & Insured · CSLB #1023627