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 Koreatown
Commercial solar installation in Koreatown almost always starts with a question most contractors never ask: what size electrical service does your building actually have? We work in 90005 every week, and we can tell you straight: most of the pre-war courtyard apartments and 1960s walk-ups we see are running 60 to 100 amp panels. That single fact shapes every quote, every timeline, and every payback number. If you’re a building owner on Wilshire, in the Normandy corridor, or anywhere near the 110, and you want an honest read on whether solar pencils out for your property, call (877) 550-6892. We’ll look at your bill, check your panel, and tell you the truth.
Why Gus’s Solar Is Koreatown’s Preferred Commercial Solar Installation Company
Gus Petrakis has had his own name on the truck since 2011, and in a neighborhood like Koreatown that matters. This is not a market where a door-knocker from a national outfit lasts long. Building owners here have seen too many out-of-state crews quote one number on the phone and a different one at the door. Gus quotes year-25 output off your actual utility bill, not a brochure estimate. Bring me a bill, I’ll bring you the math. That is the whole approach.
Commercial Solar Installation in Koreatown means working under LADWP, not SCE. The interconnection review process here runs slower and more paperwork-heavy than the SCE territory that starts just east of the city limits. Contractors who cut their teeth in single-family suburbs routinely underestimate how long a multi-family project takes in 90005. We do not. Our Commercial Solar Installation team builds an extra three to four week buffer into every Koreatown timeline for utility approval, so the go-live date we give you is a date we actually hit.
We answer the phone 24/7. Not a voicemail. Not a ticketing portal. A live person. When you call about a panel upgrade question or an inspection delay in Koreatown, someone picks up. That is how Gus has run the company for 29 years, and it is not changing.
Our Commercial Solar Installation Services in Koreatown
Koreatown’s commercial solar work is not a suburban roof-pitch story. It is flat roofs, ballasted racking, common-area meters, and electrical services that predate the Korean War. Here is what we actually do in 90005.
Commercial Rooftop Solar
Most commercial buildings in Koreatown have flat or low-slope roofs, which sounds easy until you factor in the 60 to 100 amp service feeding the building. We design rooftop arrays around the loads that actually matter to a landlord: hallways, elevators, laundry rooms, parking area lighting. A 1940s courtyard apartment near Normandie might need a 200-amp panel upgrade before it can host any meaningful array. We tell you that upfront. The price quoted is the price charged.

Warehouse & Industrial Solar
The stretch of Koreatown along the 110 and down toward Pico has its share of one-story commercial and light industrial buildings, and they are often the easiest solar wins in the neighborhood. Big flat roof, straightforward structural loads, and a meter that is already large enough for a real system. If your building sits in one of these blocks, the math is cleaner. We model the year-25 output, not the day-one brochure number, so you see what the system produces after actual panel degradation, not a lab test.

Solar Carport Installation
Parking is scarce in Koreatown, and the lots that exist are usually tight, gated, and fully used. If your building has a surface lot or a rooftop parking deck, a solar carport can offset common-area loads while shading ten or fifteen spaces. We engineer for the wind and seismic loads that apply in the LA basin, and we pull the permits properly. This is not a bolt-and-go job.

Commercial Battery Storage
Solar Battery Storage & Backup in Koreatown is the piece that changes the LADWP conversation. A multi-family building in Koreatown cannot export much under net metering when the roof only serves house meters, but a battery lets you shift usage away from peak afternoon rates. We install Tesla Powerwall and FranklinWH units sized to the building’s actual load profile. Combined with Qcells or REC panels, you get a system that stores what it makes and uses it when rates are highest. Many Koreatown landlords find the battery is what makes the payback work.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Koreatown
We stock and install Qcells, REC, and Panasonic panels, and we pair them with SolarEdge and Enphase inverters depending on the roof and shading conditions. For Koreatown customers, we keep common replacement parts staged at our Los Angeles office so a failed microinverter or monitor on a dingbat walk-up near Vermonth does not mean a week of downtime. If you already have a system with one of these brands and it needs repair or maintenance, call us. We service what we install, and we service a lot of what other companies installed and then walked away from.
Common Commercial Solar Installation Problems We See in Koreatown Homes
Here is what actually goes wrong on Koreatown commercial solar projects, based on what our crew sees in the field.
- The panel is too small, and nobody said so. Nearly every multi-family building in 90005 is running 60 to 100 amp service from the 1940s or 1960s. A contractor who does not flag the required panel upgrade in the first quote is setting the building owner up for a surprise bill and a permit rejection from LADWP. We include the service upgrade in the initial estimate so the payback math is real.
- The LADWP timeline kills the go-live date. Interconnection review for multi-family solar in Koreatown runs slower than SCE territory to the east. Contractors who promise a fourteen-day approval and a six-week install miss both. We pad the schedule with an extra buffer so tenants are not calling the landlord asking where the promised savings went.
- Rooftop heat eats panel output. Koreatown sits inland in the LA basin, and summer heat events push rooftop temperatures far above ambient. That reduces panel efficiency. We model for real-world operating temperatures, not the lab rating, so your year-one production estimate is honest.
- The roof membrane gets treated like an afterthought. A pre-WWII courtyard apartment in Koreatown often has a roof that has been patched for decades. Flashing penetrations properly matters. Gus’s own crew does the install, and every roof penetration is flashed and sealed by people whose names you know.
Pricing for Commercial Solar Installation in Koreatown, CA
A typical commercial rooftop solar system on a Koreatown multi-family building runs $35,000 to $85,000 before incentives, depending on system size and whether a panel upgrade is required. A 200-amp panel and service upgrade in 90005 typically adds $4,000 to $8,500 to the project. Solar carports in Koreatown start around $60,000 for a 20-space lot and go up from there based on steel and engineering. Commercial battery storage typically runs $12,000 to $28,000 per unit installed, with most Koreatown buildings needing one to three units. Every estimate we write comes off your actual LADWP bill, not a square-footage guess. The price we quote is the price you pay. Estimates are free, and there is no trip charge inside our own county.
We Also Serve Cities Near Koreatown
Our Koreatown crews regularly work in the neighborhoods that ring the 90005 ZIP, including Commercial Solar Installation projects in Los Angeles proper, Echo Park, Silver Lake, and Hollywood. If your building sits just outside Koreatown but still under LADWP, the same crew, the same pricing, and the same upfront panel-upgrade honesty applies. Call (877) 550-6892 and tell us the cross streets.
Serving Koreatown, CA - Our Local Coverage Area
We’re based in the Koreatown 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 Koreatown
Under LADWP’s net metering, a roof array on a multi-family building in Koreatown can offset the common-area meter: hallways, elevators, parking lights, laundry, and any other house loads. The produced kilowatt-hours are credited against that meter at the retail rate, but a system cannot be sized larger than the common-area load it serves, which is why load modeling matters so much in 90005. If the building’s house meter only draws 800 kWh in a summer month, you cannot install a system that produces 3,000 kWh and expect full credit. Call (877) 550-6892 and we’ll walk you through your specific building’s usage.
Because the building stock in Koreatown is largely pre-WWII courtyard apartments and 1960s stucco walk-ups that still run on 60 to 100 amp service, far below the 200-amp minimum LADWP typically requires for a solar interconnection. The utility will not approve a system that overloads the existing service, so the panel and service upgrade has to happen first. We quote the upgrade alongside the solar, so there is no surprise change order later. A 200-amp upgrade in 90005 typically runs $4,000 to $8,500.
Koreatown sits inland enough that the marine layer burns off by midday, and summer rooftop temperatures here run hotter than the coastal ZIPs just a few miles west. At 120 to 140 degrees on the roof surface, a panel can lose 10 to 15 percent of its rated output compared to a mild day, which is why Solar Panel Cleaning in Koreatown matters for keeping output high. We model production using LA basin weather data, not the manufacturer’s standard test condition, so the year-one number we quote is what you will actually see on your LADWP true-up statement.
Yes, and we do it regularly. Flat roofs on Koreatown’s 1920s and 1930s courtyard buildings are actually good candidates for ballasted racking systems that do not require penetrating the existing membrane. In some cases a full roof recoat or repair is needed first, and we will tell you that before we quote the solar. Gus’s own crew does the install, and every penetration, when one is required, is flashed and sealed properly. We do not hand the work off to a sub.
A typical 20 to 30 kW rooftop system on a Koreatown dingbat walk-up, sized to offset common-area loads, pays back in 6 to 9 years after incentives. The panel upgrade adds cost and slightly extends the payback, which is why including it in the initial quote is the only honest way to model the deal. LADWP’s net metering, combined with peak-rate battery storage and Koreatown EV Charger Installation for buildings adding electric vehicle infrastructure, can pull that payback closer to 5 years for buildings with heavy afternoon common-area loads. Every estimate we write includes a line-item payback model based on your actual bill, and we tell you to take two weeks before you sign anything. The price will be the same.
If you own a commercial or multi-family building in Koreatown and you want a solar quote that includes the panel upgrade, the LADWP timeline, and the real year-25 production number, call (877) 550-6892. Gus will answer. Bring a bill. We’ll bring the math.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Koreatown since 2011.






Before
After
Before
After
Before
After