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

San Bernardino County · We serve this area
Solar & Battery Installation in Rancho Cucamonga, CA
Served from our nearby Ontario office, Rancho Cucamonga homes get fast, in-house solar and battery installs.

What going solar looks like in Rancho Cucamonga
Rancho Cucamonga homes are served by Southern California Edison (SCE), and permits run through City of Rancho Cucamonga. 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 Rancho Cucamonga
- 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 Rancho Cucamonga
Solar designed around Rancho Cucamonga
We design and install across Rancho Cucamonga — including Alta Loma, Etiwanda, Terra Vista, Victoria, Cucamonga, and Red Hill.
Climate & energy use
Rancho Cucamonga sits on the alluvial plain below the San Gabriel Mountains, so it runs a hot-summer Mediterranean climate with long, dry summers and heavy daytime cooling loads that often peak well after the sun has dropped. Pairing solar with a battery lets that production carry a home's late-afternoon and evening air-conditioning instead of buying it back from the grid at peak prices, and it keeps essentials running during the fall Santa Ana wind events that periodically threaten the foothill, wildland-urban-interface neighborhoods with outages and fire weather.
Roofs & housing stock
Much of the city's housing stock is Mediterranean-inspired tract and master-planned homes from the late 1970s through the 1990s, so concrete and clay "S" tile roofs with stucco exteriors are very common, alongside composition shingle on newer and infill builds. Tile calls for tile-specific flashing and hooks and careful handling to avoid breakage, while the foothill hillside lots up in Alta Loma can add slope and shading factors we account for in the layout.
HOA & design review
Many Rancho Cucamonga homes sit in master-planned communities like Terra Vista and Victoria with active HOAs and architectural review, and we handle those submittals and approvals as part of the install.
Rancho Cucamonga by the numbers
54
projects & service calls in Rancho Cucamonga
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.
Rancho Cucamonga savings
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What we install
Our services in Rancho Cucamonga
Why Rancho Cucamonga 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★ rating451 reviews
- Google4.9★ rating400+ reviews
- EnergySage5.0★ rating25 reviews
- CSLBLicense #1023627Licensed · Bonded · Insured
Team partnership
Rancho Cucamonga solar FAQ
Common questions in Rancho Cucamonga
Yes — we serve Rancho Cucamonga (San Bernardino County) with solar, battery storage, the Tesla Solar Roof, and HVAC. We serve it from a nearby OC Solar office.
Rancho Cucamonga 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 Rancho Cucamonga 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 Rancho Cucamonga 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.
It's strongly recommended. As an SCE customer your system falls under the current net billing rules, which credit power you export to the grid at much lower avoided-cost rates than the retail price you pay for electricity, especially during the costly evening peak. Because Rancho Cucamonga's hot summers push the biggest air-conditioning demand into the late afternoon and evening, a battery lets you store your midday solar and use it when rates are highest instead of selling it back cheaply, which is where most of the savings now come from. Your permit is pulled through the City of Rancho Cucamonga building department, and we coordinate the SCE interconnection so the system can be switched on once it passes inspection.
Want exact numbers for your home? Get a free, itemized estimate.
Keep researching
Solar research for Rancho Cucamonga 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