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

Los Angeles County · Solar, batteries & service
Solar & Battery Installation in Hawthorne, CA
Hawthorne sits in southwestern Los Angeles County's South Bay, just a few miles inland from Santa Monica Bay, and it's one of the more solar-friendly cities we work in: the city has adopted SolarAPP+ automated permitting for residential rooftop systems, and homes here get power delivered by Southern California Edison with Clean Power Alliance as the default generation provider.
Your home. Your numbers. Your pace.
See what solar could look like on your Hawthorne home.
You shouldn't have to sit through a sales presentation to see a design and a price. Build your instant quote online, then use a site audit to check the details that a roof model can't see.
Get My Instant Solar Quote →No sales call required. Prefer a person? Call our team.
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Explore your design and estimated price
Enter your address and electricity bill. Compare a solar design and battery options around your home, not a generic package.
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Choose an available site audit
Eligible Southern California addresses can book online. We inspect the roof, electrical equipment and installation conditions to verify the proposed scope.
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Review the findings before deciding
Understand the confirmed scope, any pricing changes and the next agreement step. Our sales and customer-service teams are available when you want help.

What going solar looks like in Hawthorne
Hawthorne homes are served by Southern California Edison (SCE) / Clean Power Alliance, and permits run through City of Hawthorne Building & Safety Division. We manage both for you. For new solar on SCE's NEM 3.0 Solar Billing Plan, storing daytime solar can reduce evening grid purchases. We design around your actual usage and rate plan, and check any existing NEM agreement before adding panels or storage.
See how solar works for SCE customers →
- Permits handled through City of Hawthorne Building & Safety Division
- Southern California Edison (SCE) / Clean Power Alliance interconnection & PTO managed end-to-end
- Custom, roof-first design for your home
- Solar, battery storage and existing-system support
Local to Hawthorne
Solar designed around Hawthorne
We design and install across Hawthorne — including Hollyglen, ThreeSixty at South Bay, Fusion South Bay, Bodger Park, Holly Park, Moneta Gardens, Ramona, and North Hawthorne.
Climate & energy use
Hawthorne sits on the flat South Bay coastal plain a few miles inland from Santa Monica Bay, so spring and early-summer marine layer ("May Gray/June Gloom") brings morning overcast that typically burns off by midday. The trade-off is a mild, sunny Mediterranean climate that keeps panels running cool year-round, and this flat, fully urbanized part of SCE territory sits well away from the foothill high-fire-threat areas that drive PSPS shutoffs elsewhere in the region.
Roofs & housing stock
Most of Hawthorne's single-family housing is postwar stock — modest 1950s–60s ranch homes and bungalows on compact lots — typically carrying low-slope composition shingle roofs that make for straightforward penetrating flush mounts. Roof decking and original electrical services from that era should be evaluated up front, and the newer townhome-style communities on the west side (Fusion, mid-2000s; ThreeSixty, mid-2010s) require HOA coordination before rooftop work.
HOA & design review
Most Hawthorne neighborhoods are older, non-HOA single-family streets, so architectural review is rarely a factor here. The exceptions are the gated master-planned communities west of the 405 in the Hollyglen area — ThreeSixty at South Bay and Fusion South Bay — where we handle HOA approval before installation; California's Solar Rights Act limits how far any HOA can go in restricting a solar system.
Already have solar?
Add, repair, or finish a solar project in Hawthorne
OC Solar works on existing systems in Hawthorne—including equipment installed by another company. We assess panel and battery additions, diagnose failures, and review projects an installer left unfinished.
For Hawthorne homeowners planning around outages or fire-season shutoffs, we review a battery's backup configuration, the circuits it can support and the runtime those loads need. If a re-roof is coming, we can review panel removal and reinstallation alongside the roofing schedule.
Hawthorne by the numbers
16
projects & service calls in Hawthorne
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.
Compare the complete project
What a good Hawthorne solar quote should answer
A panel count and a monthly payment aren't enough. Bring a recent bill, any existing solar plans, and your priorities for backup power. These are the details worth comparing before choosing an installer.
An LA County address does not automatically mean LADWP or LADBS. Your meter identifies the utility; your property's jurisdiction identifies the permitting authority. Check both before comparing savings or timelines.
Compare an existing solar quote →- How much energy will it make—and when?
- Compare annual production in kWh, the usage history behind the design, shading assumptions and any future EV or cooling load. System size in kW alone does not tell you how much of your bill it can cover.
- What will the battery actually back up?
- Ask which circuits are included, the usable storage, the output needed to start larger appliances and the assumptions behind runtime. Bill savings and whole-home backup are different design goals.
- What is included in the final price?
- Match equipment models, roof work, electrical upgrades, permits, interconnection, financing terms and exclusions. Make sure any site-audit changes are explained before signing.
- Who is accountable after installation?
- Separate manufacturer coverage from the installer's workmanship terms. Know how monitoring, service requests and equipment faults will be handled—and verify the contractor's license and reviews.
Check the local rules at the source
Program references checked September 2026. Your existing tariff and any community-choice generation provider may change the comparison; current utility terms control.
Hawthorne savings
See your Hawthorne solar estimate
Start with your address and bill to explore a roof-modeled design and estimated pricing. No sales call required; the site audit verifies installation details before pricing is confirmed.
We also serve nearby
See our work
Browse real Southern California installations and verified homeowner reviews.
What we install
Our services in Hawthorne
Why Hawthorne 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
Hawthorne solar FAQ
Common questions in Hawthorne
Yes. OC Solar serves Hawthorne in Los Angeles County with custom solar panels, battery storage and Tesla Solar Roof, plus assessment of existing-system upgrades, repairs and unfinished projects. We confirm the property's address, equipment and project scope before scheduling the work.
Hawthorne is served by Southern California Edison (SCE) / Clean Power Alliance. We handle interconnection and Permission to Operate (PTO) with them end-to-end so you don't have to.
Yes. We confirm the property's permitting authority, prepare the solar and battery permit package for City of Hawthorne Building & Safety Division, and coordinate inspection and utility interconnection. HOA or historic-design review may be a separate step where it applies. Permit approval and utility Permission to Operate are different milestones; neither is guaranteed by an online estimate or audit booking.
For new solar on SCE's NEM 3.0 Solar Billing Plan, a battery can improve savings by storing daytime solar for use during expensive evening hours. If you already have solar, we check your existing NEM agreement before recommending an expansion. A battery configured for backup can also power selected home circuits during an outage, within its capacity.
There's no honest single Hawthorne 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) / Clean Power Alliance rates and whether you pair a battery under your current NEM or Solar Billing Plan 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.
Yes. Start with your address and electricity bill at ocsolar.com to explore a roof-modeled design and estimated pricing without a sales call. Eligible Southern California addresses can book an available site-audit appointment online. The audit checks the roof, electrical equipment and installation conditions before pricing is confirmed. If your address or project needs an individual review, our team can help; you do not have to commit to an installation to request an estimate.
An online model cannot inspect roof condition, concealed wiring, the main electrical panel or the final battery location. Roof repairs, electrical upgrades, access constraints or a change to the equipment and backup scope can affect the final price. Ask for an itemized scope that identifies any changes from the online estimate, the equipment models, permit and interconnection responsibilities, and exclusions before you decide. We check the requirements for City of Hawthorne Building & Safety Division and the utility serving your property as part of that review.
Yes. We review battery additions and panel expansions, including systems installed by another company. For your Hawthorne property, we check the existing inverter, electrical panel, usable roof space, system ownership and utility agreement before recommending equipment. A battery retrofit and a panel expansion can have different interconnection implications; we do not assume adding equipment preserves an existing NEM tariff. Bring the original plans or equipment details and a recent bill from the provider serving your address.
Yes. OC Solar assesses solar repairs and unfinished projects in Hawthorne, including systems whose installer closed or stopped responding. Share the equipment details, original contract, permit status and any inspection or utility notices so we can identify what remains. We confirm compatibility, access, documentation and the work we can take on before quoting. Taking over service does not automatically transfer the previous installer's workmanship warranty or make every manufacturer claim eligible.
The City of Hawthorne Building & Safety Division is the permitting authority, and Hawthorne has adopted SolarAPP+, the automated online permitting platform, for standard residential rooftop solar. We obtain the SolarAPP+ approval and pull the permit through the city's online Citizen Self Service portal. The city has also adopted an expedited, streamlined review process for small residential rooftop systems under the state Solar Rights Act, with fire department review of panel placement and roof access pathways.
Want exact numbers for your home? Get a free, itemized estimate.
Keep researching
Solar research for Hawthorne 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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Or call 949-427-8817 to refer someone. Terms apply.
Build your solar estimate in Hawthorne
Design it online and compare modeled pricing—no sales call required. Eligible Southern California addresses can also book a free site audit. Prefer help? Our local team is available.
Already a customer? Refer a friend & get $500 · See all OC Solar reviews
Licensed, Bonded & Insured · CSLB #1023627