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.
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AfterFast, Reliable Commercial Solar Installation Across Temple City
Commercial solar in Temple City works differently than it does ten miles west. You’re in Southern California Edison territory, not LADWP, which changes the financial math on every kilowatt-hour your building produces. We’ve been designing and installing commercial systems across the 91780 zip code long enough to know which questions the City’s building department asks, which roof types need specialized mounting, and which legacy electrical panels will stall a permit. Call (877) 550-6892 and you’ll reach a live person who can tell you straight what your building needs.
Why Gus’s Solar Is Temple City’s Preferred Commercial Solar Installation Company
Gus Petrakis puts his own name on the truck. That’s not a slogan; it’s the operating model. When you call, you get a real person, 24/7, not a voicemail tree. And when something goes wrong on a Temple City rooftop, Gus is the one who comes back to fix it, not a subcontractor you’ve never met.
Temple City business owners tend to do their homework. Many have already talked to a door-knocker or an out-of-state installer who quoted one number on the phone and another at the site visit. We hear that story a lot. Our approach is quieter: bring us your SCE bill, we’ll build the year-25 output numbers off your actual usage, and we’ll tell you to take two weeks before you sign anything. The price will be the same.
We’ve done commercial work across Temple City, from the storefronts along Las Tunas Drive to the industrial buildings near Rosemead Boulevard. We know the permitting rhythm, we know the roof stock, and we know how smog derates panel output in the San Gabriel Valley. That local knowledge shows up in the design, not just the sales pitch.
Every job is backed by the 90-Day Done Right Promise, in writing. If it’s not done right, Gus makes it right. That’s been the standard since 2011, and it’s why Temple City businesses keep our number saved.
Our Commercial Solar Installation Services in Temple City
Commercial Rooftop Solar
Temple City’s commercial rooftops run heavy on concrete and clay tile from the post-WWII building boom, and a lot of them have been re-roofed once or twice since. Mounting racking on tile takes specialized hooks and flashings, not the asphalt shingle brackets a coastal crew might grab by default. That’s a labor line some installers underprice, then come back to renegotiate. We scope tile-roof mounting correctly from day one, because we’ve done it here for years. Our Commercial Solar Installation team specs each roof’s mounting hardware before the bid goes out, not after the permit is pulled.
Warehouse & Industrial Solar
The industrial district near Rosemead Boulevard has flat-roof warehouses from the 1950s and 1960s, many with aging electrical service hiding in the back office. We recently scoped a commercial roof-mount on one of those buildings: newer tile roof, clean interior, but still an original 100-amp Zinsco panel tucked behind a filing cabinet. Our tech caught it before the permit went to the City. We upgraded the panel, paired the array with an Enphase battery, and the client hit their true-up goal under NEM 3.0. That’s the kind of field catch that only comes from walking Temple City roofs regularly, not from a satellite image and a phone script.
Solar Carport Installation
Parking lots in Temple City get hot from late spring through October. A solar carport gives you shaded spaces for employees and customers while the structure generates billable power. We design carports to match your existing lot layout and electrical service, and we handle the structural engineering the City requires. Given SCE’s current export rates, carport arrays make the most sense when paired with battery storage so the power you generate at noon gets used after the lunch rush, not sold back for pennies.
Commercial Battery Storage
Here’s the truth about Temple City commercial solar in 2026: selling power back to SCE under NEM 3.0 barely pays. If your building generates more than it uses at 2 p.m. on a Tuesday, that surplus export credit is a fraction of what you’ll pay SCE for grid power that evening. Pairing your array with battery storage changes that equation entirely. FranklinWH and Tesla Powerpack systems let you shift your solar production to peak demand windows, which is where the real savings live in Temple City. We design storage around your building’s actual load curve, not a generic guess.
What happens when you call
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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 Temple City
We install and maintain equipment from the brands that hold up under San Gabriel Valley conditions: Enphase microinverters, Tesla Powerwall and Powerpack storage, SolarEdge inverters, and FranklinWH battery systems. When a Temple City customer’s system needs a part, we don’t wait on a slow regional distributor; our service truck carries the common replacement inventory for the systems we’ve installed across the 91780 zip code. That means faster turnaround when a production issue shows up on the monitoring dashboard.
Common Commercial Solar Installation Problems We See in Temple City Homes
- Tile roof underpricing. A contractor from Venice or Long Beach bids the job at asphalt-roof rates, then finds Temple City’s concrete and clay tile requires specialized hooks, extra flashings, and more labor per panel. The price jumps mid-job. We quote tile correctly from the start because we’ve handled hundreds of these roofs.
- Hidden legacy electrical panels. A renovated storefront or warehouse can still run on an original 60- or 100-amp Federal Pacific or Zinsco panel buried in a storage room. The City will not approve a commercial solar permit on that service. We inspect the panel during the first site visit and scope the upgrade before you’re committed to a contract.
- Smog derate not figured into production estimates. Temple City sits in the LA Basin inversion layer. Particulate matter and photochemical smog shave a measurable percentage off panel output compared to the coast. A generic production model overpromises, and the client sees a true-up bill they weren’t expecting. We factor the derate into our kWh projections and spec higher-efficiency monocrystalline panels when the numbers say it’s worth the delta.
- NEM 3.0 export rate miscalculated. SCE’s current net metering rules cut export credits sharply compared to the old NEM 2.0 structure, and some sales quotes still use outdated assumptions. If you’re in Temple City, you’re in SCE territory, and the battery-less design that worked for a LA DWP customer in San Gabriel won’t pencil the same way for you.
Pricing for Commercial Solar Installation in Temple City, CA
Commercial rooftop solar in Temple City typically runs $2.60 to $3.60 per watt before incentives, so a 50 kW system on a mid-size warehouse lands between $130,000 and $180,000. Smaller commercial rooftops in the 10-20 kW range usually fall between $26,000 and $72,000. Solar carport structures run higher due to steel and engineering, often $3.50 to $5.00 per watt. Commercial battery storage, depending on capacity and brand, adds $15,000 to $80,000 for a FranklinWH or Tesla system sized for a typical Temple City storefront or warehouse. We scope every job off your actual SCE bill and your building’s interval data, so the quoted number is the number you pay. Bring me a bill, I’ll bring you the math. Call (877) 550-6892 for a free, no-pressure estimate, and take two weeks to think about it if you want. The price will be the same.
We Also Serve Cities Near Temple City
Our crews serve Temple City and the surrounding San Gabriel Valley communities including Rosemead, San Gabriel, Arcadia, and East San Gabriel. If your building sits just over the city line, the same local knowledge applies. See our full Temple City coverage for details on response times and service areas.
Serving Temple City, CA - Our Local Coverage Area
We’re based in the Temple City 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 Temple City
Being in SCE territory under NEM 3.0 typically means a longer payback period than LADWP customers see unless you pair the array with battery storage, because SCE’s export credits are sharply reduced. A battery-shifted system in Temple City usually pencils out to a 5 to 8 year payback, while a battery-less system can stretch past 10 years depending on your load curve. Call (877) 550-6892 and we’ll run your actual bill through the model, so you’re deciding on real numbers, not a brochure estimate.
Yes, the particulate layer that sits over the San Gabriel Valley reduces panel output by roughly 3 to 7 percent annually compared to coastal LA locations, which is why we spec higher-efficiency monocrystalline panels for many Temple City jobs. The derate is real, measurable, and should be built into your production estimate from the start. If a quote doesn’t mention it, the quote is probably optimistic, and you’ll feel it at annual true-up time.
In most cases, yes, we can mount on tile without re-roofing by using tile replacement hooks and proper flashing at each penetration point, but the old panel is a different story. A 60- or 100-amp Federal Pacific or Zinsco panel will not pass the City’s permit review for a commercial solar system, so the panel upgrade becomes part of the scope. We identify both during the first site visit and price them before you sign anything.
Yes, current code requires module-level rapid shutdown for commercial rooftop systems, and microinverters or DC optimizers from Enphase or SolarEdge meet that requirement while improving output on partly shaded roofs. On a flat commercial roof, we often pair microinverters with a ballasted racking system that avoids roof penetrations entirely. The system gets designed to Temple City’s adopted code cycle, which we pull permits for every day.
SCE’s NEM 3.0 structure credits exported solar at a much lower rate than the retail price you pay for grid power, which means you get the most value by using your solar production on-site, especially during mid-peak and on-peak windows. For Temple City businesses, that usually means pairing solar with battery storage so afternoon generation carries into the evening demand period. We’ll show you the avoided-cost math on your own SCE bill before you commit to a design.
Thinking about commercial solar for your Temple City building? Call (877) 550-6892 for a free estimate. Gus’s crew handles every install, a live person answers the phone, and the 90-Day Done Right Promise covers every job in writing. Take two weeks to decide if you want. We’ll be here.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Temple City with local, owner-operated solar installation since 2011.