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 Northridge
Commercial solar in Northridge comes down to three things: knowing the roofs, knowing LADWP, and knowing what 110-degree heat does to panel output. We’ve been handling all three since before most national installers had a Northridge mailing address. If you own a warehouse, office building, or retail property in 91324, 91325, or 91326, we’ll give you a straight answer on cost, timeline, and whether your roof needs work before panels go up. Call Gus at (877) 550-6892 and he’ll talk you through it, no script and no pressure.
Key takeaways for Northridge commercial property owners:
- Northridge’s post-1994-quake commercial roofs are aging out in a wave, making roof assessment the first step on most jobs.
- All Northridge ZIP codes fall under LADWP, not SCE, which changes interconnection timelines and net metering math.
- Summer panel derating is real here. We spec modules with low temperature coefficients for Valley heat.
- Every quote is built from your actual LADWP bill and your actual roof, not a brochure.
Why Gus’s Solar Is Northridge’s Preferred Commercial Solar Installation Company
Gus Petrakis started this company in 2011 and put his own name on the truck. That matters more in Northridge than most places, because commercial property owners here have been through enough with fly-by-night contractors since the ’94 earthquake rebuild. You want the person who quotes the job to be the person who answers when something goes wrong three years later. That’s Gus. One call brings him back, not a ticket number.
We’ve worked on commercial rooftops along Corbin Avenue, Tampa Avenue, and Nordhoff Street, on buildings that went up in the 1950s and on buildings rebuilt in the late ’90s. Crews are background-checked and uniformed. The price quoted is the price charged. And every job comes with the 90-Day Done Right Promise in writing. If it’s not right, Gus makes it right.
Our Commercial Solar Installation team handles everything from structural load assessments to LADWP paperwork. Take two weeks. Think about it. The price will be the same.
Our Commercial Solar Installation Services in Northridge
Commercial Rooftop Solar
Most Northridge commercial buildings fall into one of two camps: original 1950s-1970s composition shingle or post-quake concrete tile from 1994-1998. We assess the roof before we quote the array. If your concrete tile has micro-cracks from two and a half decades of Valley heat cycling, panel racking can turn those into leaks. A typical commercial rooftop array in Northridge runs $2.40-$3.10 per watt before incentives, depending on roof condition and system size.

Warehouse & Industrial Solar
Flat-roof warehouses in the industrial pockets off Plummer Street and the 91324 corridor are some of the best solar candidates in Los Angeles County, but they come with a catch: ponding water under ballasted arrays. We spec drainage-aware layouts and elevated racking where needed. For a 100-200 kW warehouse system, expect $220,000-$580,000 gross, with LADWP net metering and federal depreciation shaping your actual payback.

Solar Carport Installation
If your Northridge property was built in the 1960s, your parking lot may be the best place for solar. Carports avoid roof issues entirely and give employees and tenants shaded parking, which matters when it’s 108 in August. Carport systems run $3.10-$3.80 per watt due to steel and foundation work, and they require LADWP’s standard interconnection review. We’ll tell you in the first visit whether your lot layout makes carports worth it or whether rooftop is the better dollar.

Commercial Battery Storage
With LADWP’s time-of-use rates and Northridge’s summer grid strain, commercial batteries are increasingly penciling out. We install FranklinWH and Tesla commercial storage paired with Enphase or SolarEdge inverters. A 30-60 kWh commercial battery bank in Northridge typically runs $28,000-$55,000 installed. For properties with refrigeration, medical equipment, or server rooms, backup power isn’t a luxury. It’s the difference between staying open and losing inventory.

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.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Northridge
We work with Tesla, Enphase, SolarEdge, and FranklinWH, and we stock common replacement parts locally for Northridge customers. If an inverter drops offline on your building off Roscoe Boulevard, we don’t wait a week for a part from a distribution center in Nevada. We spec what’s right for Northridge heat: modules with temperature coefficients below -0.35%/°C, optimizers where partial shading from neighboring buildings is a factor, and battery chemistry that tolerates Valley temperature swings.
Common Commercial Solar Installation Problems We See in Northridge Homes
- Post-quake concrete tile micro-cracks. Buildings re-roofed between 1994 and 1998 now have tile that’s 25-30 years into a 30-40 year life. Racking penetrations expose hairline fractures that leak months later. We flag these in the load assessment before any panel goes up.
- Legacy electrical panels from the rebuild era. Panels installed in the ’90s often lack busbar capacity for modern inverter backfeed. LADWP will stall your approval until the panel is upgraded, and out-of-area contractors routinely miss this until week six of the queue.
- Ponding water on old flat roofs. Original 1950s-1970s composition shingle on flat warehouse roofs traps water under ballasted arrays, degrading the membrane and soiling panels from below. We address drainage before installation.
- Underestimated LADWP timelines. Northridge ZIP codes run through LADWP’s interconnection queue, not SCE’s. LADWP moves slower. Contractors unfamiliar with the Valley don’t pad their timelines, and property owners get surprises. We pad ours.
Pricing for Commercial Solar Installation in Northridge, CA
Commercial solar in Northridge runs $2.40-$3.80 per watt installed, depending on system type, roof condition, and whether structural reinforcement or reroof is needed. A 50 kW rooftop array on a small office building typically lands between $115,000-$150,000 gross. A 100 kW warehouse system with battery storage runs $250,000-$600,000 before tax credits. Carports cost more per watt than rooftop; ground-mounts on open land in the 91327 corridor fall in the middle. We quote the year-25 output, not the day-one brochure number. Bring us your LADWP bill and we’ll bring you the math. Estimates are free, and the price won’t change after you’ve had two weeks to think about it. Call (877) 550-6892.
We Also Serve Cities Near Northridge
Beyond Northridge, we regularly handle commercial solar projects in North Hills, Chatsworth, Canoga Park, and Encino. If your building sits near the Northridge Fashion Center, along Reseda Boulevard, or just across the 118 from Porter Ranch, you’re in our service area. The same crew, the same pricing, and the same 90-Day Done Right Promise apply across Northridge and every neighboring community we serve.
Serving Northridge, CA - Our Local Coverage Area
We’re based in the Northridge 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 Northridge
LADWP’s commercial interconnection queue typically runs 4-8 weeks slower than SCE’s for comparable systems in Northridge, mostly due to internal review bottlenecks and legacy panel inspection requirements. We pad our project timelines by 4-6 weeks from day one so you’re not surprised. Call (877) 550-6892 for a timeline built around your specific building and project size.
If your building was re-roofed between 1994 and 1998 with concrete tile, you should strongly consider reroofing before solar. Those tiles are 25-30 years old, and Northridge’s heat cycling has created micro-cracks that become leaks once racking penetrations are added. We do a structural load assessment before any quote, and we’ll tell you honestly if a reroof is needed or if reinforcement will do. Call (877) 550-6892 for a free roof and solar assessment.
We spec modules with low temperature coefficients, below -0.35%/°C, because Northridge routinely hits 105-112°F in summer and panel output drops as heat rises. Qcells, REC, and certain SunPower lines perform measurably better here than cheaper modules with higher coefficients. We’ll show you the year-25 production differences between brands, not just the day-one sticker numbers.
Most Northridge commercial systems pay back in 5-8 years under LADWP’s net metering program, depending on your rate schedule, system size, and whether you add battery storage. Warehouses with high daytime loads on Corbin Avenue and Tampa Avenue often see the faster end of that range. We build your quote from your actual LADWP bill so the payback math is real, not a brochure estimate.
Yes, and many 1960s-era Northridge properties are ideal carport candidates because the roof is either too old or too shaded to carry a full array. Carports require steel foundations and LADWP’s standard interconnection review, but they avoid roof work entirely and add shaded parking. Expect $3.10-$3.80 per watt for carport systems. Call (877) 550-6892 and we’ll come out to look at your lot.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Northridge commercial properties since 2011.






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