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 Loomis
Commercial solar in Loomis typically runs $45,000 to $180,000 depending on system size, and most projects take 2 to 4 months from signed agreement to grid interconnection. That’s the honest range, and we’ll give you a fixed number built off your actual utility bill, not a brochure estimate. Gus’s Solar has been putting commercial arrays on Loomis rooftops, carports, and open ground since 2011, and our crew knows this town’s electrical loads, roof conditions, and PG&E territory better than any out-of-state outfit ever will. Call (877) 550-6892 and bring us a bill. We’ll bring you the math.
Why Gus’s Solar Is Loomis’s Preferred Commercial Solar Installation Company
We treat Loomis the way a neighbor would, because we are neighbors. Gus Petrakis owns this company, puts his name on every proposal, and answers his own phone. When a Loomis business calls about a ground-mount array off King Road or a carport system near the Taylor Road industrial stretch, we do not route the call to a ticketing portal. A live person picks up, including at 2 a.m. when a battery alarm goes off.
Loomis commercial owners tend to run lean operations. A cabinet shop, a barn with a 240V well pump, a small warehouse, a tasting room off Horseshoe Bar Road. These are not 50,000-square-foot logistics centers. They’re real businesses where an undersized inverter or a sloppy roof penetration becomes a four-figure repair and a week of lost production. Gus’s background-checked, uniformed crew does the install themselves. No subs. No hand-off. And every job carries the 90-Day Done Right Promise in writing: if it’s not right, Gus makes it right, and one call brings him back.
Over 29 years building a local reputation, we’ve learned that Loomis business owners check references, not flashy sales decks. They want to know the company that shows up is the company they’ll still see at the hardware store next year. That’s how we operate. Our Commercial Solar Installation team works from a published address, with a license number anyone can verify, and an owner whose name is on the building.
Our Commercial Solar Installation Services in Loomis
Agricultural & Ground-Mount Solar
This is where Loomis really separates from Roseville or Rocklin. Your 1 to 5 acre parcel gives you room to put panels on the ground, oriented exactly south, with zero roof penetrations and zero compromise on tilt angle. For ranchette properties with a shop, a barn, or irrigation equipment, a Loomis ground-mount typically costs $55,000 to $130,000 depending on array size and trenching distance. Many Loomis parcels run domestic water from private wells on 240V submersible pumps, and a ground-mount sized to cover that constant base load plus the shop and the house often pays back in 7 to 9 years. If the roof faces east-west or has aging tile, the ground-mount is usually the better financial call, and it is an option that is almost never practical in the denser suburbs downhill.

Commercial Battery Storage
Loomis sits in PG&E territory where commercial time-of-use rates punish afternoon and evening draw. A commercial battery system sized at 20 to 100 kWh lets you store midday production and discharge it during peak pricing windows. In Loomis, a typical commercial battery installation runs $28,000 to $85,000 before any SGIP or federal incentives. For businesses that cannot afford downtime, like a cold-storage barn or a shop running CNC equipment, the battery also gives you backup when a foothill wind event takes out a line. We size the battery off your interval data from PG&E, not a rule of thumb, so you’re not overpaying for capacity you’ll never use.

Warehouse & Industrial Solar
Loomis has a working stretch of warehouse and light-industrial buildings near the 80 corridor and along Taylor Road. These buildings often have large, flat or low-slope composition roofs that are ideal for a properly flashed, ballasted or mechanically attached array. A 100 kW commercial rooftop system in Loomis generally lands between $120,000 and $190,000 before tax credits. We inspect the roof membrane and structural capacity before we ever quote a number, because skipping that check on a 1990s warehouse leads to leaks around the mounts and a re-roof bill you didn’t budget for.

Solar Carport Installation
If your Loomis property already has a paved lot, a solar carport turns dead pavement into generation. Carport structures in Loomis typically run $70,000 to $160,000 depending on bay count and whether you add EV charging. The added benefit is shade: Loomis summers routinely top 100°F, and a shaded parking area keeps employee vehicles cooler and reduces afternoon AC load when people get back in their cars. We engineer the structure for Sierra foothill wind loads and snow, which matters at 400 to 600 feet of elevation when a wet March storm rolls through.

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 Loomis
Gus’s Solar stocks and services equipment from the brands that hold up in Loomis’s hot, dry summers: Qcells, REC, and SunPower modules, paired with SolarEdge and Enphase power electronics. We do not push one brand on every job. We match the panel and inverter to your roof, your load profile, and your budget. When a Loomis customer has a fault on an existing array, we usually have the replacement part on the truck or can have it in hand within a day or two, because we route our parts inventory through the Sacramento office and stock for the foothill market specifically. If a salesman needs an answer tonight, the answer is no. But if you want a straight answer about which equipment will still be producing in year 25, ask Gus. He quotes the year-25 output, not the day-one brochure number.
Common Commercial Solar Installation Problems We See in Loomis Homes
- Undersized inverters on detached shops with big starting loads. A 240V well pump pulling surge current, plus a compressor cycling on, trips a small inverter into fault mode. We size the inverter for locked-rotor startup, not just running wattage, so the system doesn’t cut out every time the pump kicks on.
- Roof leaks from skipped condition checks. Loomis has a lot of composition-shingle roofs laid between the mid-1980s and 2000s. They’re at or past their service life in many cases. We will not mount panels on a roof that needs replacement, and we’ll say so plainly before any contract is signed.
- Overbuilt ground-mounts that ignore Loomis’s winter sun advantage. Because the tule fog largely misses this elevation, a Loomis ground-mount produces more winter kWh than an identical array in Roseville or Rocklin. Sizing off valley-floor assumptions wastes capital and leaves you holding excess credits at true-up.
- Improper penetration flashing on tile roofs. Tile is common on semi-custom Loomis homes. A flashed penetration done wrong leaks slowly for years before anyone notices. Gus’s crew flashes every penetration properly and the 90-Day Done Right Promise covers it in writing.
Pricing for Commercial Solar Installation in Loomis, CA
Here’s what we see in the Loomis market, based on actual projects around town:
| System Type | Typical Size | Loomis Price Range |
|---|---|---|
| Ground-mount on 1-5 acre parcel | 15-60 kW | $55,000 – $130,000 |
| Commercial rooftop (warehouse/shop) | 25-150 kW | $70,000 – $190,000 |
| Solar carport | 30-100 kW | $70,000 – $160,000 |
| Commercial battery storage | 20-100 kWh | $28,000 – $85,000 |
What moves the number: trenching distance for ground-mounts, roof condition, whether you need a service panel upgrade, and how much we have to coordinate with PG&E on a transformer capacity check. We give you one fixed price, built off your real usage and current export rates. No signature wanted tonight. Take two weeks. Think about it. The price will be the same. Then call (877) 550-6892 for a free estimate.
We Also Serve Cities Near Loomis
While this page is about commercial solar in Loomis, our Loomis crews regularly work the surrounding foothill corridor. That includes Rocklin, Granite Bay, Roseville, and North Auburn. If your business sits just outside Loomis proper, we likely cover you with the same local crew and the same one-trip standard. Call (877) 550-6892 and we’ll confirm your address.
Serving Loomis, CA - Our Local Coverage Area
We’re based in the Loomis 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 Loomis
Loomis sits at roughly 400 to 600 feet of elevation, which places it above the winter tule fog that routinely blankets Roseville and Rocklin just 10 to 15 miles to the west. In practical terms, a commercial array on a Loomis rooftop or ground-mount will generate measurably more kilowatt-hours in December and January than the same array on the valley floor, often 15 to 25 percent more winter production depending on the fog season. That means a smaller system hits your annual offset target, and your true-up statement at the end of the PG&E cycle looks better than a valley-floor neighbor’s. For a Loomis business, that is real money. Call (877) 550-6892 and we’ll model your site against actual local weather data, not a regional average.
Yes, and in most cases you should at least compare a ground-mount against a rooftop design before deciding. Loomis zoning for parcels in the 1 to 5 acre range generally allows accessory ground-mounted solar arrays, though larger commercial systems may need a design review or minor use permit depending on setback and visibility. The practical advantage is orientation: a ground-mount gets pointed exactly south at the ideal tilt, avoids drilling into an aging tile or composition roof, and often costs less per watt to maintain over 25 years because there’s no roof work involved. We recently sized a ground-mount for a custom cabinet shop off King Road on a 3-acre parcel. The owner ran a 240V well pump, a 5-ton AC unit, and a full woodshop. Our techs configured a Qcells system with SolarEdge optimizers to hit a 92% kWh offset, and because the ground-mount avoided the shop’s aging tile roof, the payback period shrank by nearly two years compared to a rooftop-only design. Call (877) 550-6892 for a site walk and an honest comparison.
Loomis is in PG&E territory, and the net metering true-up math depends on your rate schedule, your annual consumption, and whether you add storage. For most Loomis commercial customers, the goal is to hit between 85 and 100 percent of annual usage so you minimize both import charges and excess export at the lower wholesale credit rate. Because Loomis gets more winter sun than the valley floor, a system sized for a flat annual offset will overproduce less in winter and still cover the heavy summer AC loads. Gus builds the math off your actual 12-month PG&E statement, not a salesman’s estimate. Bring us a bill, we’ll bring you the math, and we’ll show you the true-up projection in writing before you commit. Call (877) 550-6892 for a free estimate.
The inverter on a Loomis shop system has to handle the locked-rotor starting current of the well pump and any compressor or saw motor that cycles on simultaneously. If it doesn’t, you get nuisance tripping and the system loses production every time the equipment demands a surge. We calculate starting wattage for each motor, not just nameplate running watts, then size the inverter bank so the surge never pushes it into fault mode. In practice, that usually means a slightly larger inverter than a rooftop-only design would need, but the uptick in cost is small compared to the lost production and service calls from an undersized unit. Call (877) 550-6892 and give us your equipment list. We’ll size it right the first time.
Panel degradation is driven primarily by time and thermal cycling, not peak heat alone, so Loomis’s hot summers do not dramatically shorten panel life. The bigger localized factor is that Sierra foothill temperature swings and occasional wet-season humidity can stress cheap connectors and mounting hardware over decades. We spec panels from Qcells, REC, and SunPower that carry 25-year production warranties, and we use stainless or coated mounting hardware rated for the foothill environment. Gus quotes the year-25 output, not the day-one brochure number, because he knows the difference is what actually matters on a 25-year commercial investment. Call (877) 550-6892 and we’ll show you the degradation curve on the exact panel we’re recommending.
Get a Straight Answer on Commercial Solar in Loomis
You’ve already got enough to think about running a business in Loomis. The solar decision shouldn’t add noise. Gus Petrakis will come out, look at your roof or your ground, read your PG&E bill, and give you a number you can verify against the real math. No pressure, no “tonight only” pricing, no call center. Just a Loomis-area owner who has been doing this since 2011 and puts his own name on every job. Call (877) 550-6892 now for a free estimate, or ask about our Free Second Opinion on any written estimate you already received. If a salesman needs an answer tonight, the answer is no. Ours won’t ask.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Loomis and the surrounding foothill communities.






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