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.
San Diego County · Local office
Solar & Battery Installation in San Diego, CA
From our La Jolla office, we serve San Diego County under SDG&E — the utility with some of the highest time-of-use rates in the country, which makes battery storage essential.
San Diego · Solar designed around the whole day
Use the roof at noon. Plan the home for 4–9 PM.
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.
- 1. Model the actual roofMap each usable roof plane, shade pattern, material, and coastal or inland exposure instead of treating every San Diego home alike.
- 2. Plan the evening loadShow how daytime solar, 4–9 PM use, battery capacity, and backup priorities fit together before sizing storage.
- 3. Own the approval pathCoordinate City permitting, inspection, SDG&E interconnection, and Permission to Operate on one accountable timeline.
Licensed California contractor · CSLB #1023627 · No obligation
Three answers before equipment
What a San Diego solar proposal should make clear
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.
What does the roof require?
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.
What should the battery do?
Evening energy shifting and outage backup are different jobs. Name the essential circuits, desired backup duration, and daily use case before choosing capacity.
51
Verified San Diego projects & service calls
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
Compare real solar-plus-storage and Solar Roof work
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
Solar + Battery in San Diego
~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
Tesla Solar Roof + Powerwall in San Diego
~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 →San Diego savings
See your San Diego solar estimate
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What we install
Our services in San Diego
Why San Diego chooses OC Solar
Local crews, verified track record
10+
Years serving SoCal
Founded 2016
30+
MW installed
across Southern California
6,373+
Projects & service calls
by in-house crews
4.9★
Google rating
400+ reviews · BBB A+
Manufacturer certifications
1 of 12 installers- EnphaseInstaller NetworkStorage-certified · IQ Battery
- QcellsQ.PARTNERAuthorized installer
- RECCertified Solar ProfessionalProTrust warranty program
- SolarEdgeCertified Installer
- Owens CorningRoofing Preferred Contractor
Awards & recognition
2024- Solar Power WorldTop Solar Contractor2025#203 nationally
- PanasonicTop Residential Installer of the Year2023Southern California
- EY (Ernst & Young)Entrepreneur Of The Year — Finalist2025Pacific Southwest
- Orange County Business JournalExcellence in Entrepreneurship Award2026
- HouzzBest of Houzz2022
- AngiSuper Service Award2024
#1 in California2026- Best Equipment2026
- Best Installation2026
Ratings, license & partnership
Since 2017- Yelp4.7★ rating451 reviews
- Google4.9★ rating400+ reviews
- EnergySage5.0★ rating25 reviews
- CSLBLicense #1023627Licensed · Bonded · Insured
Team partnership
San Diego solar FAQ
Common questions in San Diego
Yes — we serve San Diego (San Diego County) with solar, battery storage, the Tesla Solar Roof, and HVAC. We have a local OC Solar office here.
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 prepare and submit all permits through City of San Diego and track each one, with weekly status updates until your system is switched on.
Under California's NEM 3.0, a battery is usually what makes solar pay off — it stores your cheap daytime solar to use during the expensive 4–9 PM peak on SDG&E's time-of-use rates, and keeps your home powered during outages.
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 NEM 3.0 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.
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
Solar research for San Diego homeowners
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.
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Licensed, Bonded & Insured · CSLB #1023627