The 2026 per-watt cost picture and what moves the number.
Orange County · We serve this area
Solar & Battery Installation in Tustin, CA
Tustin sits minutes from our Irvine headquarters — from Old Town to Tustin Ranch — close enough for some of the fastest solar-plus-battery turnarounds in Orange County, with City of Tustin permits and SCE interconnection handled end-to-end.
What going solar looks like in Tustin
Tustin homes are served by Southern California Edison (SCE), and permits run through City of Tustin. We manage both for you. Under NEM 3.0, the smart play here is solar sized to charge a battery, so you run your home on stored solar during the expensive evening peak instead of buying power at top rates.
See how solar works for Southern California Edison customers →
- Permits handled through City of Tustin
- Southern California Edison (SCE) interconnection & PTO managed end-to-end
- Custom, roof-first design for your home
- One company for solar, battery, Tesla Solar Roof & HVAC
Local to Tustin
Solar designed around Tustin
We design and install across Tustin — including Old Town Tustin, Tustin Ranch, Tustin Legacy, Tustin Meadows, Columbus Square, and Greenwood at Tustin Legacy.
Climate & energy use
Tustin sits inland in central Orange County, where warm, dry summers push afternoon cooling loads high while winters stay mild, so air-conditioning is the dominant electric demand much of the year. That summer peak pairs well with adding a battery to a solar system, letting homeowners on SCE's time-of-use rates store midday production and lean on stored power through the late-afternoon and evening peak-price window.
Roofs & housing stock
Tustin's housing stock ranges from Old Town's older Craftsman, bungalow, and Spanish-revival homes to the mid-century tract houses of Tustin Meadows and the newer master-planned homes of Tustin Ranch and Tustin Legacy. That mix means our crews work across concrete and clay tile, composition shingle, and the occasional flat or low-slope section, and older Old Town roofs sometimes warrant a condition check before panels go on.
HOA & design review
Many Tustin homes, especially in Tustin Ranch and the Tustin Legacy villages like Columbus Square and Greenwood, sit within HOAs or master-planned communities with architectural-review requirements, and we prepare and handle those submittals for you.
Already have solar?
Battery backup & solar repair in Tustin
Yes — we handle more than new installs in Tustin. Our in-house crews add battery backup to existing solar systems, diagnose and repair arrays regardless of who installed them, and remove and reinstall panels when a roof needs replacing.
A battery added to an existing Tustin system does double duty: it stores your cheap daytime solar to use in the evening, and keeps essentials powered through outages. And if a re-roof is coming, the tile roofs described in the notes above are why panel removal and reinstallation here is careful, flashing-first work — we detach, store, and reset your system and bring it back online.
Tustin by the numbers
111
projects & service calls in Tustin
That's part of the 6,373 projects & service calls OC Solar has handled across Southern California since 2016. Per our company records as of June 2026.
Tustin savings
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Recent install in Tustin
Solar + Powerwall in Tustin
~9 kW solar · Tesla Powerwall 3
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What we install
Our services in Tustin
Why Tustin 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
- CSLBLicense #1023627Licensed · Bonded · Insured
Team partnership
Tustin solar FAQ
Common questions in Tustin
Yes — we serve Tustin (Orange County) with solar, battery storage, the Tesla Solar Roof, and HVAC. We serve it from a nearby OC Solar office.
Want exact numbers for your home? Get a free, itemized estimate.
Keep researching
Solar research for Tustin homeowners
The cost, worth-it, NEM 3.0, and battery guides behind every honest California solar decision.
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