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 East Pasadena
Commercial solar installation in East Pasadena comes with a catch most installers miss: every address in the 91107 ZIP runs through Pasadena Water and Power, not Southern California Edison. That one fact changes the interconnection paperwork, the approval timeline, and the net metering math. If your installer files SCE forms by habit, your project stalls before it starts. We know the PWP process cold, and we’re a phone call away at (877) 550-6892.
Why Gus’s Solar Is East Pasadena’s Preferred Commercial Solar Installation Company
Gus Petrakis has been putting his own name on solar work since 2011, and that name carries weight in East Pasadena because we actually show up when something goes wrong. We’re not a sales crew that hands your project to a subcontractor. Gus’s own background-checked, uniformed team does the install, and a live person answers the phone 24/7. No voicemail tree. No ticket portal. You call, a human picks up.
Commercial property owners in Hastings Ranch and the surrounding 91107 neighborhoods keep calling us for a simple reason: we understand PWP’s municipal utility process. Most installers in the San Gabriel Valley cut their teeth on SCE territory because that’s what surrounds East Pasadena on every side. We’re the ones who re-file the paperwork correctly the first time. Our Commercial Solar Installation team has handled enough PWP interconnections to know exactly what their portal asks for and how long their approval queue runs.
When you work with us in East Pasadena, you get the no-pressure approach Gus built the company on. Bring us a bill, we’ll bring you the math. Take two weeks to think about it. The price will be the same.
Our Commercial Solar Installation Services in East Pasadena
Commercial Rooftop Solar
Most commercial rooftops in East Pasadena’s 91107 ZIP sit on 1950s to 1970s construction, with flat concrete tile or Spanish S-tile dominating the older buildings. Those roofs cannot take generic flash-mount brackets without cracking tiles and voiding the roof warranty. We use tile-hook mounting systems designed to transfer weight without drilling through the tile face. A typical commercial rooftop installation in East Pasadena runs $2.40 to $3.10 per watt before incentives, so a 100 kW system lands between $240,000 and $310,000 before the federal tax credit and PWP’s commercial solar incentives.
Warehouse & Industrial Solar
Warehouses along Colorado Boulevard and near the Sierra Madre Villa corridor tend to have low-slope roofs with plenty of open square footage, which makes them solid candidates for high-density commercial arrays. On a flat concrete-tile roof in the Hastings Ranch area, our crew installed a 120 kW rooftop array for a light-industrial warehouse, using tile-hook mounts and a SolarEdge inverter. The owner’s previous installer had submitted an SCE interconnection application, so we had to re-file the entire package through PWP’s portal, adding two weeks to the timeline before we could get the rapid shutdown system approved. That’s the kind of mistake we catch early.
Solar Carport Installation
Carport solar in East Pasadena makes sense for properties where roof space is limited or where the roof is too old to carry additional load. Carport structures also provide shade for employee and customer parking, which matters in a city where summer temperatures routinely run 15 to 20 degrees hotter than coastal LA. Expect carport solar to run $3.10 to $3.80 per watt depending on structural requirements and whether you need custom engineering for wind loads.
Commercial Battery Storage
PWP’s commercial time-of-use rates are different from SCE’s, and battery storage can shift your demand charges in ways that meaningfully cut the bill. For East Pasadena businesses, we typically pair commercial arrays with FranklinWH or Tesla commercial storage units sized to cover evening peak periods and avoid demand spikes. A mid-size commercial battery system for a warehouse or retail building in 91107 generally runs $45,000 to $120,000 before incentives, depending on capacity.
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 East Pasadena
We work with equipment East Pasadena business owners can trust for the long haul: Qcells, REC, and SunPower panels are the ones we quote most often for commercial projects in this ZIP because they hold up under San Gabriel Valley heat and perform well on low-slope commercial roofs. We keep common components stocked locally so panel-level maintenance and inverter replacements don’t mean waiting on a freight shipment from Texas. If you have an existing commercial system with a brand we don’t install, we’ll still service it and tell you honestly whether it’s worth keeping.
Common Commercial Solar Installation Problems We See in East Pasadena Homes
- Cracked flat tile from wrong mounting hardware. Installers who usually work SCE cities like Arcadia or San Marino bring the same flash-mount brackets to East Pasadena’s 1950s-1970s tile roofs. The brackets crack tiles, water gets in, and the roof warranty is void. We use tile-hook systems on every tile roof in 91107, no exceptions.
- Interconnection filings sent to the wrong utility. PWP is a small municipal utility, and crews that file SCE paperwork by habit will get rejected. Their portal has a different document checklist, a different approval queue, and a different net metering rate structure. If you’re stuck at this step, we can re-file correctly and get the project moving.
- Santa Ana wind uplift flagged in PWP inspections. Warehouses at the base of the San Gabriels get hit harder by Santa Ana winds than lower-valley sites. Racking designed without wind-uplift calculations for this foothill exposure fails PWP’s field inspection. We engineer every commercial racking system for the specific wind zone of your East Pasadena address.
- Demand charges eating savings that should be going to ROI. PWP’s commercial rates include demand charges that surprise owners who expected SCE-style billing. A well-sized battery or a smarter array orientation can cut those charges substantially, but only if the installer understands PWP’s rate book. We do.
Pricing for Commercial Solar Installation in East Pasadena, CA
We Also Serve Cities Near East Pasadena
Beyond East Pasadena, we serve commercial properties in Sierra Madre, San Marino, Pasadena, and Arcadia. Fair warning: those cities are all SCE territory, so the utility paperwork is actually simpler there. East Pasadena’s PWP process is the one most installers get wrong. That’s why East Pasadena business owners call us first.
Serving East Pasadena, CA - Our Local Coverage Area
We’re based in the East Pasadena 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 East Pasadena
How does PWP’s net metering differ from SCE’s for a commercial solar system in East Pasadena 91107?
PWP’s net metering credits your excess generation at PWP’s own avoided-cost rate, which is lower than SCE’s retail-rate credit in neighboring cities, and PWP applies commercial demand charges that SCE’s small commercial net metering does not have in the same way. The practical result is that the payback math is different, and you need an installer who builds the ROI off your actual PWP bill, not an SCE template. Call (877) 550-6892 and we’ll walk through your specific rate schedule.
Can we install solar on a flat concrete tile roof of a 1960s commercial building in Hastings Ranch?
Yes, and we do it regularly in Hastings Ranch. The key is using tile-hook mounting hardware rather than generic flash-mount brackets, which crack the old concrete tiles. We’ll assess your roof structure first, because 1960s commercial trusses sometimes need reinforcement to carry modern array weight. The fix is usually straightforward, and we’ll tell you if your roof has life left in it before we put panels up.
Why did our previous installer’s commercial solar project in East Pasadena stall at the utility step?
Almost certainly because they filed SCE interconnection paperwork instead of PWP’s. East Pasadena’s 91107 ZIP is uniquely inside Pasadena Water and Power’s service territory, while every surrounding city sits in SCE territory. A crew working by habit submits the wrong utility’s forms, the application bounces, and the project sits. We’ve un-stalled several of these by re-filing the complete package through PWP’s portal with the right documentation. Call us and we’ll diagnose where your project got stuck.
How do Santa Ana winds affect commercial solar racking design on East Pasadena warehouses?
East Pasadena sits at the foot of the San Gabriels, which means Santa Ana wind events hit harder here than in lower San Gabriel Valley cities like Arcadia. PWP’s field inspectors check racking calculations against the specific wind zone for your parcel, and under-designed systems fail inspection. We engineer every commercial racking system for exact wind-uplift loads at your address, not a generic Southern California default.
What is the typical payback period for a commercial solar array in PWP territory compared to SCE cities nearby?
In PWP territory, a well-designed commercial array typically pays back in 6 to 9 years, which runs one to two years longer than SCE cities like Arcadia or San Marino because PWP’s avoided-cost credit is lower than SCE’s retail net metering credit. That makes equipment selection and battery sizing more important in East Pasadena, not less. We’ll show you the year-25 numbers off your real PWP bill before you sign anything.
If you own a commercial building in East Pasadena and want solar that actually gets approved and actually performs, call us at (877) 550-6892. Free estimate, no pressure, and Gus’s name on the work.
Written by Gus Petrakis, Owner at Gus’s Solar, serving East Pasadena commercial properties since 2011.






Before
After
Before
After
Before
After