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

Los Angeles County · We serve this area
Solar & Battery Installation in Whittier, CA
Whittier sits against the Puente Hills about 15 miles inland from the coast, with housing that ranges from Craftsman and Spanish Colonial Revival homes in the historic districts around Uptown and Whittier College to the 1950s-60s ranch tracts of Friendly Hills, Murphy Ranch, and East Whittier. Roughly two-thirds of the city's homes were built between 1940 and 1969, and the whole city is served by Southern California Edison. Warm inland summers and older electrical-era housing make panel-and-solar upgrades a common pairing here.

What going solar looks like in Whittier
Whittier homes are served by Southern California Edison (SCE), and permits run through City of Whittier Community Development Department, Building & Safety 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 Whittier Community Development Department, Building & Safety Division
- 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 Whittier
Solar designed around Whittier
We design and install across Whittier — including Uptown Whittier, Friendly Hills, East Whittier, Michigan Park, Murphy Ranch, Leffingwell Ranch, College Hills, Hadley-Greenleaf, Central Park, and Starlite Estates.
Climate & energy use
About 15 miles inland, Whittier runs hotter than coastal LA County, with summer highs regularly in the upper 80s to 90s that drive real air-conditioning load into SCE's 4-9 p.m. time-of-use peak — exactly the window a battery covers. Hillside streets along the Puente Hills near Rideout and Turnbull Canyon fall within High and Very High Fire Hazard Severity Zones on the state's updated 2025 hazard maps, and Santa Ana wind events in this corridor are the conditions under which SCE weighs Public Safety Power Shutoffs, so backup power is a practical consideration for hillside homes, not a hypothetical.
Roofs & housing stock
About two-thirds of Whittier's housing was built between 1940 and 1969, so composition-shingle mid-century ranch roofs dominate the tracts of East Whittier, Friendly Hills, Murphy Ranch, and Leffingwell Ranch, while the pre-war historic districts around Uptown carry Craftsman shingle and Spanish Colonial Revival clay tile. Tile roofs call for tile-hook or comp-out mounting to avoid cracked pieces, and roofs of this vintage often warrant a sheathing and, in some cases, re-roof evaluation before panels go on — we assess that during the site survey.
HOA & design review
Most of Whittier's mid-century neighborhoods have no HOA, but The Groves — the Brookfield/Lennar master-planned community on the former Fred C. Nelles site — and the city's condo and townhome complexes do have associations with architectural review. California's Solar Rights Act sharply limits what an HOA can deny, and we prepare and submit the design-review paperwork when it applies.
Whittier by the numbers
50
projects & service calls in Whittier
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.
Whittier savings
See your Whittier solar estimate
Enter your address and bill for an instant, roof-modeled estimate — no email, no obligation.
We also serve nearby
See our work
Browse real Southern California installations and verified homeowner reviews.
What we install
Our services in Whittier
Why Whittier 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
Whittier solar FAQ
Common questions in Whittier
Yes — we serve Whittier (Los Angeles 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 Whittier 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.

Refer & earn
Refer a friend.
Know someone tired of rising utility bills? Send them our way. When your friend or family member goes solar with OC Solar, we'll thank you with $500.
- 1
Send their info
Share your friend's name and a way to reach them — takes a minute.
- 2
They go solar
We design, install, and power on their system, start to finish.
- 3
You get $500
Paid after their system is installed. Refer as many as you like.
Or call 949-427-8817 to refer someone. Terms apply.
Get a free solar estimate in Whittier
A local advisor will build you an honest, itemized proposal from your real roof and usage.
Already a customer? Refer a friend & get $500 · Leave us a review
Licensed, Bonded & Insured · CSLB #1023627