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 Sunnyvale
Commercial solar in Sunnyvale, TX pencils out differently than it did three years ago. Under PG&E’s NEM 3.0, exporting power back to the grid earns roughly 75% less than it used to, which means a solar-only system on a Sunnyvale warehouse can take 15 years or longer to pay for itself. The fix is pairing rooftop panels with battery storage and sizing the system against your actual 4-9pm usage, not a brochure estimate. We’ve been doing exactly that for Sunnyvale businesses since long before NEM 3.0 rewrote the rules, and we quote year-25 output from your actual utility bill. Call (877) 550-6892 and bring us a bill. We’ll bring you the math.
Why Gus’s Solar Is Sunnyvale’s Preferred Commercial Solar Installation Company
Gus Petrakis founded this company in 2011, put his own name on the truck, and still answers his own phone. Sunnyvale commercial property owners see the same face at the estimate, on the job site, and at the hardware store. That’s not a marketing line. It’s the operating code.
The 90-Day Done Right Promise backs every Sunnyvale job in writing. If something isn’t right, one call brings Gus back. No ticket queue. No call center three states away. A live person answers the phone 24/7, including weekends when a Sunnyvale warehouse inverter throws a fault at 2am.
Our crew handles the install. Background-checked, uniformed, no subs. We flash every roof penetration properly and we don’t hand work off to a crew we’ve never met. Sunnyvale business owners have told us they’ve been burned by national outfits that quoted one number on the phone and another at the door. We don’t work that way. The price we quote is the price you pay.
If a salesman needs an answer tonight, the answer is no. We tell every Sunnyvale customer to take two weeks. Think about it. The price will be the same.
Our Commercial Solar Installation Services in Sunnyvale
Commercial Rooftop Solar
Sunnyvale’s inland South Bay location clears coastal fog fast, giving us roughly 260+ clear production days a year. That’s meaningfully more yield than San Francisco just 35 miles northwest. A flat or low-pitch commercial roof in the 94086 ZIP gets strong sun from mid-morning through late afternoon. We size rooftop arrays from the building’s actual interval data, not a square-footage guess.

Warehouse & Industrial Solar
Older Sunnyvale warehouses near the industrial pockets off Highway 80 often run 150-amp panels that are already near capacity from rooftop HVAC and EV charging. We include a 200-amp panel upgrade in the initial proposal when the load calc calls for it. That avoids a permit rejection mid-project and keeps the schedule honest. Our Commercial Solar Installation team handles the full scope: array, service upgrade, inverter, and programming.

Solar Carport Installation
For Sunnyvale business owners with more parking lot than roof, carports turn dead asphalt into generation. We engineer carports to meet Sunnyvale wind-load and drainage requirements, then panel them with the same equipment we use on commercial rooftops. Carports also solve the shared-roof problem that comes up in the 94085 corridor, where townhome and mixed-use buildings introduce HOA and title complications.

Commercial Battery Storage
This is the service that matters most in Sunnyvale under NEM 3.0. Export compensation dropped roughly 75% in April 2023, so a solar-only system sends power to the grid for pennies. Batteries flip the equation. We program dispatch to cover PG&E’s 4-9pm time-of-use peak, when Sunnyvale summer temperatures regularly hit 90-95°F and AC loads spike. That’s where the real savings live.

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 Sunnyvale
We work with equipment from Tesla, Enphase, SolarEdge, and FranklinWH, and we stock common replacement parts for Sunnyvale customers so we’re not waiting on a warehouse across the country when an inverter trips. A commercial system only performs as well as the monitoring behind it, so we pair every Sunnyvale install with a production dashboard Gus reviews himself. If output dips, he calls you. You don’t have to notice first.
Common Commercial Solar Installation Problems We See in Sunnyvale Homes
- Solar-only proposals that ignore NEM 3.0. A Sunnyvale warehouse that sells power back to PG&E at the new export rate takes 15+ years to break even. Battery storage paired with time-of-use dispatch cuts that payback roughly in half.
- Permit rejections from undersized electrical panels. In Sunnyvale’s older commercial stock, 100-amp and 150-amp panels are common. Adding solar, EV charging, and HVAC onto an already-loaded panel triggers a permit stop. We quote the 200-amp upgrade upfront, not as a surprise change order.
- HOA architectural-review stop-work orders in the 94085 corridor. The townhome and mixed-use developments near Lawrence Expressway often require HOA approval before panels go up. We handle the ARB packet and panel placement drawings so the job doesn’t stall.
- Flat-roof flashing failures from subcontracted crews. Sunnyvale’s low-pitch commercial roofs leave little margin for lazy penetration work. Gus’s own crew flashes every penetration correctly and the Done Right Promise covers it in writing.
Pricing for Commercial Solar Installation in Sunnyvale, TX
Sunnyvale commercial solar runs on a wide band because the buildings and loads vary so much. A commercial rooftop array on a small retail building typically runs $2.10-$2.60 per watt before incentives. Warehouse and industrial systems with a 200-amp panel upgrade usually land in the $2.40-$2.90 per watt range. Solar carports start around $3.00-$3.50 per watt because of the structural steel involved. Commercial battery storage varies with capacity, but a typical Sunnyvale warehouse running 30-60kWh of storage adds $25,000-$55,000 before the federal Investment Tax Credit and any applicable incentives.
Bring us a bill. We’ll quote the year-25 output and the true-up savings, not the day-one brochure number. Free estimates. No signature wanted tonight.
We Also Serve Cities Near Sunnyvale
Our crews work throughout Sunnyvale and the surrounding communities, including Mesquite, Balch Springs, Forney, and Rowlett. If your business sits in one of those areas and you’re weighing commercial solar plus battery storage, call us. The math works the same way and we bring the same 29 years of local roots to every job, on time and accountable.
Serving Sunnyvale, TX - Our Local Coverage Area
We’re based in the Sunnyvale 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 Sunnyvale
Under NEM 3.0, PG&E cut Sunnyvale solar export compensation by roughly 75%, which means a solar-only commercial system sends power to the grid at near-zero value. Santa Clara’s Silicon Valley Power still offers friendlier export terms, but Sunnyvale businesses cannot access them. Pairing panels with battery storage and programming dispatch for the 4-9pm peak restores most of the lost value. Call (877) 550-6892 for an exact quote based on your actual bill. Estimates are free.
Many mixed-use and townhome buildings along the 94085 corridor require HOA architectural-review approval before solar panels go up. We prepare the ARB packet, panel placement drawings, and any color or visibility requirements the association imposes, and we track the approval so the job doesn’t start until it’s cleared. Call (877) 550-6892 and we’ll walk you through what your specific association needs.
Sunnyvale’s older commercial buildings frequently run 100-amp or 150-amp main panels that are already under heavy load from rooftop HVAC, EV charging stations, and modern equipment. Adding a commercial solar array pushes sustained load past safe capacity, so Sunnyvale’s permit process usually requires a 200-amp service upgrade. We quote the upgrade in the first proposal, not after the permit gets rejected. Call (877) 550-6892 for a load assessment.
Sunnyvale’s inland South Bay location keeps coastal fog at bay for most of the year, producing roughly 260+ clear days annually. That translates to higher year-one production and a stronger year-25 output than a comparable system in San Francisco or the coastal peninsula. We build your production estimate from Sunnyvale-specific weather data, not a national average. Call (877) 550-6892 and we’ll show you the numbers.
Commercial rooftop arrays in Sunnyvale must meet NEC rapid shutdown requirements, which mean the system reduces voltage to safe levels within seconds of a shutdown trigger. Our systems use Enphase or SolarEdge power electronics that satisfy rapid shutdown at the module level, and we handle the permit documentation. Call (877) 550-6892 for specifics on your building.
Call Gus’s Solar for Commercial Solar Installation in Sunnyvale, TX
If you own or manage a commercial building in Sunnyvale, the NEM 3.0 shift changed your math. A solar-only system no longer pays for itself on exports alone. A system with battery storage, sized against your actual 4-9pm load and your year-25 output, still does. Gus Petrakis has been quoting honest commercial solar numbers since 2011 and he’ll tell you to take two weeks before you sign anything. Call (877) 550-6892 for a free estimate. Bring us a bill. We’ll bring you the math.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Sunnyvale and surrounding DFW communities since 2011.






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