Free bill analysis - bring a power bill, get the production math for your actual roof, panel brands like Qcells and REC compared side by side
If the pitch starts at your door and ends with "sign tonight for the special," sleep on it. The sun will still be there tomorrow; so will we.
Fast, Reliable Commercial Solar Installation Across Los Angeles
Getting commercial solar installed in Los Angeles means dealing with two approval tracks at once: LADBS building permits and LADWP interconnection review. That dual workflow trips up out-of-town installers every single week. We know it cold. A typical commercial rooftop array in Los Angeles runs $85,000 to $240,000 before incentives, depending on system size and roof conditions, and most projects take 4 to 9 months from signed agreement to permission to operate. Need a straight answer about your building? Call (877) 550-6892 and talk to a live person who actually works in Los Angeles.
Why Gus’s Solar Is Los Angeles’s Preferred Commercial Solar Installation Company
Gus Petrakis founded this company in 2011, and his name is on every truck, every quote, and every job we finish in Los Angeles. He publishes his address and license number. He answers his own phone. When a commercial client in Koreatown calls about a monitoring alert, Gus is the one who picks up, not a call center in another state. That’s the difference between a local owner-operator and the national outfits that vanish after the paperwork clears.
We’ve worked commercial rooftops across 90015, 90016, 90017, and 90018 for years. Flat roofs on 1960s warehouse buildings in South LA. Sloped metal roofs on 1970s auto shops near Echo Park. Tight setbacks and alley-load clearances everywhere. Our crew knows which LADBS inspectors want what, which LADWP application screens cause the most delays, and how to sequence the permit and interconnection filings so the project doesn’t stall mid-stream.
We also hold the line on no-pressure. Bring us a bill, we’ll bring you the math. Take two weeks. Think about it. The price will be the same. If a salesman needs an answer tonight, the answer is no. That’s how Gus runs every commercial solar job in Los Angeles, and it’s why property owners keep calling us back for maintenance and battery add-ons years later.
Our Commercial Solar Installation Services in Los Angeles
Commercial Rooftop Solar
Flat commercial roofs dominate the warehouse and retail stock across Los Angeles, and they’re our bread and butter. We do ballasted and mechanically attached arrays on EPDM, TPO, and modified bitumen roofs, and we flash every penetration properly. Panels from Qcells, REC, or SunPower paired with Enphase microinverters are standard on our commercial jobs. In the South LA flatlands east of the coastal marine layer, these systems routinely out-produce similar arrays on the Westside by a measurable margin, which matters when you’re sizing against LADWP’s tiered commercial rate schedules.

Warehouse & Industrial Solar
Large industrial buildings in ZIPs like 90015 and 90017 often have the roof square footage to offset 60 to 80 percent of annual load with a correctly sized array. We start every industrial estimate with a structural review, because many 1960s and 1970s buildings were never engineered for added roof load. Gus’s crew handles the full permit package, including the LADBS structural sign-off and the LADWP interconnection application, so you’re not juggling two agencies yourself.

Solar Carport Installation
Carports make sense for commercial lots across Los Angeles where usable roof space is limited or shaded. A commercial carport array in the $120,000 to $300,000 range typically pays for itself through LADWP’s commercial net metering credits over 6 to 9 years. We handle the full design, engineering, and dual-permit workflow. Property owners near Silver Lake and Echo Park often pair carport solar with EV charging stations, and we install both.

Commercial Battery Storage
Commercial battery storage in Los Angeles is becoming a no-brainer for businesses that lose revenue during rolling outages. We install FranklinWH and Enphase battery systems sized to your actual load profile, not a generic template. In LADWP territory, where time-of-use windows and demand charges can eat into solar savings, a correctly sized battery shifts discharge into peak windows and cuts demand charges. We quote year-25 output, not the day-one brochure number, so you know what the storage system will actually do for you a decade from now.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Los Angeles
We work with the equipment brands that hold up under Los Angeles sun, heat, and smog residue. Qcells and REC modules are our go-to for most commercial rooftops; we also install SunPower and Panasonic where the project calls for premium efficiency. All of our commercial battery work uses Enphase or FranklinWH. We stock replacement microinverters, optimizers, and monitoring components locally, so a service call in 90016 doesn’t wait on a shipment from a distribution center in Nevada. When a monitoring alert flags an underperforming panel on a warehouse in 90018, we can usually be on the roof within 48 hours.
Common Commercial Solar Installation Problems We See in Los Angeles
- Panel upgrades on 1920s-1950s buildings: Most commercial buildings in this stock still run on original 100-amp or sub-100-amp services. A new solar array plus rapid shutdown and inverter load will fail inspection unless the panel is upgraded first. We assess this on day one and price the upgrade into the quote, not as a surprise change order.
- LADWP interconnection queue delays: LADWP’s interconnection process has historically taken two to four times longer than SCE’s. Teams that assume SCE-style 4-6 week approvals blow project timelines and trigger client escalation. We file the LADWP application the same week the LADBS permit is submitted, and we track both approvals in parallel.
- Oil field encumbrances in 90008: The Baldwin Hills-Inglewood Oil Field sits directly beneath parts of this ZIP. Surface-rights encumbrances or subsurface easements held by Legacy Oil can surface during title review and stall LADBS permit issuance. We pull a full preliminary title report before scheduling any site assessment in this area.
- Dense apartment-building complexity in Koreatown: The 1960s-1970s 2-to-8-unit apartment buildings that blanket Koreatown come with shared roofs, multiple meters, and tenant-occupied units. That means the design has to account for virtual net metering or common-area load allocation, and the permitting gets layered. We’ve done enough of these to know what LADWP will accept without months of back-and-forth.
Pricing for Commercial Solar Installation in Los Angeles, CA
Commercial rooftop solar in Los Angeles typically runs $2.20 to $2.80 per watt installed, meaning a 50 kW system lands between $110,000 and $140,000 before the federal tax credit and LADWP incentives. Solar carports run higher, usually $3.00 to $4.00 per watt because of the steel structure. Commercial battery storage adds $700 to $1,100 per kWh of capacity, depending on the battery chemistry and sizing. What actually moves the number on a Los Angeles commercial job: panel upgrade requirements, roof condition and remaining life, structural reinforcement on older warehouses, and whether the building is in LADWP’s fast-track interconnection zone or the slow queue. We quote off your actual utility bill and your actual load profile, not a brochure estimate. Call (877) 550-6892 and we’ll walk the property and give you a number you can hold us to.
We Also Serve Cities Near Los Angeles
Our commercial crews work throughout the neighborhoods around Los Angeles daily, including Koreatown, Echo Park, Silver Lake, and View Park-Windsor Hills. For a fuller picture of what our Commercial Solar Installation work involves, visit the service hub page. And if you’re in one of those nearby neighborhoods, our Commercial Solar Installation in Los Angeles coverage area includes your block. Call (877) 550-6892 and we’ll confirm your project location in one conversation.
Serving Los Angeles, CA - Our Local Coverage Area
We’re based in the Los Angeles area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Commercial Solar Installation in Los Angeles
LADWP’s process runs through its own interconnection queue with separate rate schedules and application steps, and it has historically taken two to four times longer than SCE’s. In Los Angeles, every commercial project must clear LADBS building permits and LADWP interconnection review at the same time, a dual-approval workflow that doesn’t exist in SCE territory like Culver City or Torrance. We manage both tracks in parallel and build realistic timelines around LADWP’s actual queue, so you’re not calling your installer every week asking what’s stalled. For an exact schedule on your building, call (877) 550-6892.
Almost certainly yes. A 100-amp or sub-100-amp service on a 1920s-1950s building can’t support the rapid shutdown equipment and inverter load that modern commercial solar requires, and the system will fail LADBS final inspection until the panel is upgraded. We assess the service on the first site visit and price the upgrade into the original quote, so there’s no surprise change order. Call (877) 550-6892 and we’ll check your panel before we ever quote the array.
Yes. Parts of 90008 sit directly above the active Baldwin Hills-Inglewood Oil Field, and some parcels carry surface-rights encumbrances or subsurface easements held by Legacy Oil. These surface during title review and can stall LADBS permit issuance for weeks or months if nobody caught them early. We pull a full preliminary title report before we schedule a site assessment on any commercial property in 90008, specifically so an easement doesn’t blindside you mid-project. That pre-check has saved clients months of delay.
Inland South LA commercial systems typically pay back 1.5 to 2.5 years faster than comparable Westside systems. The inland neighborhoods east of the marine layer get measurably more annual sun, so the same size array produces more kilowatt-hours against the same LADWP rate schedule. A well-designed 50 kW commercial system in 90016 or 90018 can hit breakeven in 5 to 7 years, where a Santa Monica building with the same roof space might need 7 to 9. We’ll quote year-25 output for your specific building, not a generic regional average.
LADWP’s net metering program uses tiered rate schedules, and where your building sits in the tier structure changes what each exported kilowatt-hour is worth. A commercial building in Koreatown with a different rate class than one in Silver Lake will see different credit values even with identical roof sizes and identical production. Add in the marine layer difference between inland and coastal neighborhoods, and two similar buildings can have credit spreads of 20 percent or more. We reconcile all of this against your actual bill before we quote, so the payback math matches reality. Call (877) 550-6892 for a free estimate built off your real usage.
Key Takeaways
- Commercial solar in Los Angeles requires dual approval: LADBS permits plus LADWP interconnection, and the LADWP queue is historically 2-4x slower than SCE’s.
- Panel upgrades are common on the 1920s-1950s commercial stock across 90015-90018, and we price them into the quote upfront.
- Commercial rooftop systems in Los Angeles run $2.20-$2.80 per watt installed; carports run $3.00-$4.00 per watt; battery storage adds $700-$1,100 per kWh.
- Inland South LA commercial arrays out-produce Westside systems by a measurable margin, cutting payback periods by 1.5 to 2.5 years.
- We pull preliminary title reports on 90008 projects to catch Legacy Oil easements before they stall LADBS permits.
- Gus Petrakis answers his own phone, his crew does the install, and the 90-Day Done Right Promise is in writing on every commercial job.
Get a Straight Answer on Commercial Solar in Los Angeles
Call (877) 550-6892 and you’ll get Gus or a member of his team on the line, not a voicemail. Bring us a utility bill from your commercial property in 90015, 90016, 90017, 90018, or anywhere in Los Angeles, and we’ll bring you the math. No signature tonight. No salesman pushing a deadline. Just honest numbers from a locally owned company that’s been doing this work since 2011. Take two weeks. Think about it. The price will be the same.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Los Angeles commercial property owners since 2011.






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