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Los Angeles County · We serve this area
Solar & Battery Installation in Monrovia, CA
Monrovia is one of Los Angeles County's oldest foothill cities, set against the San Gabriel Mountains at the top of the San Gabriel Valley. It's also one of the smoother places in the valley to permit a standard rooftop system — the city runs residential solar permits through the automated SolarAPP+ platform, and electricity here is delivered by SCE with generation through Clean Power Alliance. We've worked on homes across Monrovia, from Old Town-area bungalows to hillside properties in the north foothills.

What going solar looks like in Monrovia
Monrovia homes are served by Southern California Edison (SCE) / Clean Power Alliance, and permits run through City of Monrovia — Community Development, Building Division. 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 Monrovia — Community Development, Building Division
- Southern California Edison (SCE) / Clean Power Alliance interconnection & PTO managed end-to-end
- Custom, roof-first design for your home
- One company for solar, battery, Tesla Solar Roof & HVAC
Local to Monrovia
Solar designed around Monrovia
We design and install across Monrovia — including Old Town Monrovia, North Monrovia (Foothills), Wildrose, Gold Hills, and Highland Place.
Climate & energy use
Monrovia sits against the San Gabriel Mountains, far enough inland that the coastal marine layer rarely reaches it, so summers are hot and reliably sunny. The tradeoff is fire exposure on the north side: the 2020 Bobcat Fire put the city under evacuation warnings and burned into the Hillside Wilderness Preserve, and Santa Ana wind events bring elevated fire weather with potential SCE Public Safety Power Shutoffs — battery backup is worth weighing for foothill homes.
Roofs & housing stock
Monrovia incorporated in 1887 and kept much of its early housing stock: Craftsman bungalows, Victorians, and Spanish and Tudor Revival homes from the 1880s to 1940 fill the central neighborhoods. Most carry composition shingle today — straightforward mounting — though century-old framing can warrant structural review, and clay tile on Spanish Revival roofs calls for tile hooks or a comp-out. Mid-century ranches sit south of Old Town; custom hillside homes climb the north foothills and Gold Hills.
HOA & design review
Most of Monrovia's single-family neighborhoods have no HOA. The review layer that actually matters here is the city's Historic Preservation program: designated Historic Landmarks and Mills Act homes need exterior changes approved through the Historic Preservation Commission, and we plan array placement with that in mind. Condo and townhome complexes handle standard HOA review, bounded by California's Solar Rights Act.
Monrovia by the numbers
16
projects & service calls in Monrovia
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.
Monrovia savings
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What we install
Our services in Monrovia
Why Monrovia 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
- CSLBLicense #1023627Licensed · Bonded · Insured
Team partnership
Monrovia solar FAQ
Common questions in Monrovia
Yes — we serve Monrovia (Los Angeles County) with solar, battery storage, the Tesla Solar Roof, and HVAC. We serve it from a nearby OC Solar office.
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Solar research for Monrovia 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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