The 2026 per-watt cost picture and what moves the number.

San Bernardino County · We serve this area
Solar & Battery Installation in Rialto, CA
Rialto sits in the heart of the San Bernardino Valley, an Inland Empire city where long, hot summers and abundant sun make rooftop solar work hard year-round. We design systems here for Southern California Edison territory and pull permits through the City of Rialto, which participates in SolarAPP+ for streamlined residential solar and battery approvals.

What going solar looks like in Rialto
Rialto homes are served by Southern California Edison (SCE), and permits run through City of Rialto Building & Safety Department. 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 Rialto Building & Safety Department
- 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 Rialto
Solar designed around Rialto
We design and install across Rialto — including Las Colinas, El Rancho Verde, Renaissance, North Rialto, and Downtown Rialto.
Climate & energy use
Rialto lies directly below the Cajon Pass, one of the Inland Empire communities that bears the brunt of Santa Ana wind events, with advisories commonly bringing 35-45 mph winds and 50+ mph gusts. We spec attachment layouts and racking for wind uplift accordingly. Summers are hot and dry with minimal marine-layer influence, so production stays strong while air-conditioning drives some of the region's biggest summer bills.
Roofs & housing stock
Rialto's housing stock is mostly single-family detached homes spanning two eras: postwar ranch-style tracts from the 1950s-60s in central and south Rialto, typically with composition-shingle roofs that take standard flashed penetrations, and newer stucco homes in north Rialto (Las Colinas, Renaissance) with concrete tile roofs that call for tile hooks or comp-out sections to mount cleanly.
HOA & design review
Most of Rialto's established neighborhoods have no HOA, so approval is usually just city permitting. Newer gated communities in north Rialto — notably Renaissance, the Lewis-Hillwood master-planned community — do have HOAs with architectural review; California's Solar Rights Act limits them to reasonable conditions, and we handle the paperwork where it applies.
Rialto by the numbers
10
projects & service calls in Rialto
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.
Rialto savings
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What we install
Our services in Rialto
Why Rialto chooses OC Solar
Local crews, verified track record
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★ rating462 reviews
- Google4.8★ rating400+ reviews
- EnergySage5.0★ rating25 reviews
- CSLBLicense #1023627Licensed · Bonded · Insured
Team partnership
Rialto solar FAQ
Common questions in Rialto
Yes — we serve Rialto (San Bernardino County) with solar, battery storage, the Tesla Solar Roof, and HVAC. We serve it from a nearby OC Solar office.
Rialto is served by Southern California Edison (SCE). 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 Rialto Building & Safety Department 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 Southern California Edison (SCE)'s time-of-use rates, and keeps your home powered during outages.
There's no honest single Rialto 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 Southern California Edison (SCE) 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 Rialto Building & Safety Department is the permitting authority, and the city is integrated with SolarAPP+ for electronic review of residential solar and solar-plus-battery projects — the contractor submits the design through SolarAPP+, then finalizes the permit through the city's Online Permitting Center. Main panel upgrades require a separate city permit, the city issues only one active solar permit per property at a time, and interconnection goes through Southern California Edison. We manage the full process for you.
Want exact numbers for your home? Get a free, itemized estimate.
Keep researching
Solar research for Rialto 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