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.
Before
After
Before
After
Before
AfterFast, Reliable Commercial Solar Installation Across Highland
Commercial solar installation in Highland usually runs $85,000 to $220,000 for a 50 kW to 150 kW rooftop system, depending on roof condition, service panel capacity, and whether the building sits inside a CAL FIRE High Fire Hazard Severity Zone. Most warehouse and retail projects we quote in Highland are fully installed within 6 to 10 weeks once permits clear. Call Gus Petrakis at (877) 550-6892 and we will pull your parcel’s fire-zone designation before we quote a single number, because getting that wrong on the front end is the most expensive mistake we see commercial owners make in this city.
Why Gus’s Solar Is Highland’s Preferred Commercial Solar Installation Company
We have been installing commercial arrays on Highland rooftops long enough to know which buildings near Base Line Street carry a fire-zone designation and which ones do not. That is not a sales pitch. It is the difference between a quote that holds up at year 25 and one that falls apart when the permit office raises a setback issue the salesperson never checked.
Gus Petrakis answers his own phone. The crew that shows up to your warehouse off Greenspot Road is our own uniformed, background-checked team. Not a sub. Not a rotating cast of out-of-state installers. We pull the FHSZ map, verify the azimuth in person with a site walk, and quote the year-25 production number off your actual SCE bill, not a brochure estimate.
Highland commercial owners have been burned by door-knockers and national outfits that quote one number on the phone and another after the site survey. We tell every owner the same thing: take two weeks, think about it, the price will be the same. If a salesman needs an answer tonight, the answer is no. That is how we have kept our name worth putting on the truck for 29 years.
Our Commercial Solar Installation team covers every ZIP in Highland, 92346, and we have never missed a permit deadline due to something we could have caught on the first site visit.
Our Commercial Solar Installation Services in Highland
Commercial Rooftop Solar
Most Highland commercial rooftops are low-slope metal or built-up roofs on tilt-up warehouses from the 1970s through the 1990s. We design around the roof you have, not the roof a national sales deck assumes you have. Our first step on any commercial quote north of Base Line Street is pulling the parcel’s FHSZ layer, because mandatory panel setbacks from all roof edges can shrink the installable array by 25 to 30 percent compared to a similar building in Fontana. Skip that step and the production estimate is fiction.
Warehouse & Industrial Solar
Warehouse and industrial solar in Highland requires a field-verified azimuth, not a satellite screenshot. Buildings near the canyon mouths feeding down from the San Bernardino National Forest lose 10 to 15 percent of winter morning generation to ridge-line shading on east-facing planes. We just finished a 95 kW rooftop system on a warehouse off Baseline near the 210. The original 1970s steel-truss roof and 100-amp service could not legally take the array without a service upgrade. Our crew installed Enphase microinverters with rapid shutdown, moved the optimal azimuth to a south-southwest plane to dodge winter morning shading from the foothills, and the owner’s first true-up statement showed a 91 percent kWh offset.
Solar Carport Installation
Highland gets extreme summer heat, regularly above 105°F, and the valley sun is relentless from June through September. A solar carport over employee or fleet parking does two jobs at once: it covers the cars and it produces real kilowatts. On a commercial lot off Victoria Avenue, a carport array also sidesteps roof setback constraints entirely, since the structure is ground-mounted and outside the roof-edge restrictions that apply to the building.
Commercial Battery Storage
SCE time-of-use rates in Highland punish commercial customers who pull hard from the grid between 4 p.m. and 9 p.m. Commercial battery storage paired with your array shifts that load to stored solar, and it is the only way to make backup power work on a building with a legacy 100-amp service panel without upgrading the service first. We spec FranklinWH and Tesla Powerpack-class systems for Highland businesses, sized to your actual interval data.
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 Highland
We work with Qcells, REC, and Panasonic modules on most Highland commercial projects, paired with Enphase or SolarEdge inverters depending on the roof geometry and shading profile. We stock common replacement parts and microinverters locally, so if a module or inverter fails on a Highland warehouse, you are not waiting two weeks on a freight shipment from a national warehouse. A live person answers our phone 24/7, and we send a technician out the same day when a commercial system goes down.
Every system we install in Highland carries the 90-Day Done Right Promise in writing. If it is not right, Gus makes it right. One call brings him back.
Common Commercial Solar Installation Problems We See in Highland Homes
- FHSZ setback compliance never checked before quoting. A salesperson quotes a 100 kW array, the fire marshal rejects the layout, and the final system is 30 percent smaller than promised. The net metering ROI and payback period the owner signed off on no longer exists. We pull the designation first. Always.
- Legacy 100-amp commercial service panels. Most 1970s through 1990s commercial buildings in Highland still carry the original 100-amp service. Add solar plus battery load and that panel fails inspection. The 200-amp upgrade is a real line-item cost, and owners who learn about it mid-install are the ones who feel misled. We put it in the first quote.
- Winter morning shading from the foothills. East-facing arrays on warehouses near the canyon mouths under-produce against satellite-only estimates by 10 to 15 percent. A field site visit with a physical azimuth check costs an hour and prevents a permanent production shortfall.
- Heat-related inverter derating. Highland summers routinely exceed 105°F, and poorly ventilated inverter locations on west-facing walls can derate output during exactly the hours the building is pulling the most AC load. We place inverters in shaded or ventilated locations as standard practice here.
Pricing for Commercial Solar Installation in Highland, CA
A typical commercial rooftop solar system in Highland runs $85,000 to $220,000 before incentives, depending on system size and roof conditions. Small retail buildings in the 25 kW to 40 kW range usually land between $55,000 and $95,000. Mid-size warehouses of 60 kW to 100 kW generally run $110,000 to $180,000. Larger industrial arrays of 150 kW or more start around $250,000.
The biggest cost variables in Highland are the fire-zone setback compliance, whether your building needs a 200-amp service upgrade, and whether the roof requires a reroof before panel mounting. We quote all of it upfront. Bring us a year of SCE bills and we will bring you the math. Estimates are free, and no signature is wanted tonight. Call (877) 550-6892 and ask for Gus.
We Also Serve Cities Near Highland
Our crew covers commercial projects across the east San Bernardino Valley. Beyond Highland, we install commercial solar systems in San Bernardino, Muscoy, Redlands, and Loma Linda on a regular schedule. If your business sits in any of those cities, the same 24/7 live-answer phone and 90-Day Done Right Promise apply.
Serving Highland, CA - Our Local Coverage Area
We’re based in the Highland 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 Highland
Buildings north of Base Line Street inside the FHSZ must comply with mandatory solar panel setbacks from all roof edges, which typically reduces the installable array by 25 to 30 percent compared to a lower-valley building outside the zone. We pull the parcel’s FHSZ designation before quoting anything, because the setback math changes the system size and the entire financial conversation. Call (877) 550-6892 and we will check your specific parcel for free.
Yes, but the azimuth matters. East-facing planes on north-side Highland buildings near the canyon mouths lose 10 to 15 percent of winter morning generation to ridge-line shading, which is why we field-verify the optimal plane in person. In many cases the best production comes from a south-southwest face even when the primary south face looks clean on satellite. Our site walks catch this before you sign anything.
A 100-amp panel on a 1970s through 1990s Highland commercial building usually cannot legally handle a solar-plus-battery system, so the project requires a 200-amp service upgrade first. That upgrade is a hard cost that belongs in the first quote, not a surprise change order. We have completed enough of these in Highland to price the upgrade accurately before you commit.
Highland sits in SCE territory under NEM 3.0 billing, which values exported solar much lower than imported power. That makes battery storage and load-shifting far more important to the payback math here than it was under the old rules. A properly sized system with storage on a high-usage Highland warehouse generally pays back in 6 to 9 years. We build the year-25 production model off your actual bills so the payback number is real.
Panels do lose output more quickly in sustained heat, but the difference is small. Quality Qcells, REC, and Panasonic modules carry 25-year production warranties that account for high-temperature operation, and the extreme summer heat in Highland also means your AC load is huge, which makes the solar offset more valuable. The bigger heat risk is inverter derating on poorly ventilated walls, which is a design issue we prevent on every Highland install.
If you are weighing commercial solar on your Highland building, call (877) 550-6892 for a free, no-pressure estimate. Bring us a bill, we will bring you the math. Then take two weeks. The price will be the same.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Highland since 2011.