Commercial Solar Installation in Millbrae, CA | Gus’s Solar - Gus's Solar

Commercial Solar Installation in Millbrae - Same-Day Service, Done Right the First Time

Professional commercial solar installation services in Millbrae, CA. Licensed & insured. Same-day and after-hours emergency service available.

866+
Cities Served
Fast
Emergency Response
Licensed & Insured Fast Response Free Estimates All Brands Satisfaction Guarantee
Every visit starts with

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

Your own solar system for as low as $79/month*on approved credit; ask for current terms
Worth knowing

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.

Styles & brands we work with

Rooftop solar
Rooftop solar
Battery storage
Battery storage
EV charging
EV charging
Qcells
Qcells
REC
REC
Enphase inverters
Enphase inverters

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Fast, Reliable Commercial Solar Installation Across Millbrae

Commercial solar in Millbrae runs into a problem most Bay Area installers have never seen: the FAA. Because the city sits directly beneath SFO’s approach corridors, a rooftop array that would sail through permitting in Burlingame or San Mateo can trigger a formal glare-hazard review here. We handle that paperwork, we specify the right panels for it, and we do it without blowing up your timeline. Call (877) 550-6892 and you’ll get Gus or one of his crew, not a call center.

Call (877) 550-6892

Why Gus’s Solar Is Millbrae’s Preferred Commercial Solar Installation Company

We’re a Commercial Solar Installation team that’s been working the Peninsula long enough to know which Millbrae rooftops face FAA scrutiny and which ones don’t. Gus Petrakis puts his name on the truck and his phone number on the paperwork. That’s not a slogan. When a warehouse owner off Rollins Road had an interconnection question at 7 p.m., Gus answered the call himself.

Our track record in Millbrae comes down to three things: we quote your real year-25 output off your actual PG&E bill, we file the FAA Form 7460-1 paperwork before it becomes a surprise, and we don’t hand work off to subs. The crew that shows up is Gus’s crew. Background-checked, uniformed, and accountable to one person.

Response time to Millbrae is same-week for site assessments and design walkthroughs. We’re not scheduling you three weeks out for a first look. And our 90-Day Done Right Promise is in writing on every job: if it’s not right, Gus makes it right. One call brings him back.

Our Commercial Solar Installation Services in Millbrae

Warehouse & Industrial Solar

Flatland warehouses near the Caltrain corridor and along Rollins Road are the bread and butter of Millbrae commercial solar. Most of these buildings went up in the 1960s and 1970s with composition roofs that are now at the end of their service life. We’ll tell you straight if the roof needs replacing before we mount anything, because bolting 248 modules onto failing felt is how you get leaks and angry tenants. Our crew flashes every penetration properly and the array is engineered to Millbrae wind and seismic requirements.

Warehouse & Industrial Solar

Commercial Battery Storage

Commercial battery storage in Millbrae makes more financial sense than most places because PG&E’s time-of-use rates punish afternoon draw. A FranklinWH or Enphase battery bank lets you store mid-day solar production and discharge it during the 4-9 p.m. peak window. For Millbrae businesses running refrigeration, servers, or anything that can’t afford a brownout, battery backup also covers the frequent SFO-area grid flickers. We size the bank to your actual interval data, not a ballpark.

Commercial Battery Storage

Solar Carport Installation

Carport solar in Millbrae solves two problems at once: you gain covered parking and you gain generation capacity without touching an aging roof. This matters in the flatlands, where many commercial properties have more asphalt than roof space. A solar carport over a parking lot near Millbrae’s downtown or along El Camino Real works well because the lots tend to be open with minimal tree shading. We engineer the structure for Millbrae’s wind zone and handle every permit and inspection.

Solar Carport Installation

Commercial Rooftop Solar

For Millbrae retail and office buildings, rooftop solar is still the most cost-effective option when the roof has years of life left. Hillside commercial properties above Murchison Drive often get excellent southern exposure and minimal fog interference, which means stronger production than flatland sites just a mile away. But those same hillside rooftops sit closer to SFO flight paths, so we run the FAA glare analysis early and specify anti-reflective coated panels when the approach corridor demands it. Getting that right up front saves you a rejected permit and a six-week delay.

Commercial Rooftop Solar
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (877) 550-6892

What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Trusted Brands We Service in Millbrae

We work with equipment we’d put on our own buildings. In Millbrae, that usually means Qcells or Canadian Solar panels with anti-reflective coating for FAA compliance, paired with Enphase microinverters for the marine-layer mornings. For commercial battery storage, FranklinWH is a frequent pick because the form factor fits tight electrical rooms in older Millbrae commercial buildings. We keep common inverter and monitoring parts in local stock so a failed microinverter doesn’t mean a week of downtime for your array.

Common Commercial Solar Installation Problems We See in Millbrae Homes

Millbrae commercial solar has failure modes that don’t show up in Fremont or San Jose. Here’s what we see most often:

  • FAA glare-study surprises: An installer specs standard high-gloss panels, the permit hits the city, and Millbrae flags the array for an FAA Form 7460-1 review because it’s under an approach path. The re-spec to low-reflectivity panels adds cost and kills the schedule. We file the glare analysis before the permit goes in.
  • Aging flatland roofs: Those 1950s-1970s composition roofs along the Caltrain corridor weren’t built to carry a 30-year solar array. We do a core-sample assessment before we design anything, and if the roof has five years left, we tell you to re-roof first. It’s cheaper than mounting solar twice.
  • Marine-layer production loss: Summer mornings on the Millbrae flatlands sit under fog until 9 or 10 a.m. An undersized inverter or a poorly oriented array loses 1-2 hours of peak production every single day. We model your array against actual Millbrae irradiance data, not a California average.
  • Hillside racking complexity: The steep-pitched roofs climbing west toward the ridgeline have great sun exposure but irregular orientations. Standard racking kits don’t fit. We custom-engineer the tilt and ballast for each hillside roof so the array sits flush and handles Millbrae’s wind load.

Pricing for Commercial Solar Installation in Millbrae, CA

Commercial solar in Millbrae is not a $2.95-a-watt market. Between FAA compliance requirements and re-roofing on older buildings, realistic numbers matter more than the salesman’s line. A flatland warehouse array on an existing good roof typically runs $2.60-$3.40 per watt installed before incentives, so a 100 kW system lands around $260,000-$340,000. A solar carport over a Millbrae parking lot runs $3.50-$4.50 per watt because of the steel structure and foundation work. Commercial battery storage adds $800-$1,200 per kWh depending on chemistry and scale. If your building needs a re-roof before mounting, budget another $6-$9 per square foot. Bring us your PG&E bill and we’ll build the math off your real usage and current export rates. The price we quote is the price you pay. Take two weeks to think about it. The number won’t change.

We Also Serve Cities Near Millbrae

Gus’s Solar serves Millbrae and the surrounding Peninsula, including San Bruno, Burlingame, Hillsborough, and South San Francisco. Same crew, same owner’s name on the truck, same no-pressure math. If your business sits just over the city line, we’re already working nearby.

Serving Millbrae, CA - Our Local Coverage Area

We’re based in the Millbrae 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 Millbrae

Contact Gus’s Solar for Commercial Solar Installation in Millbrae

If you’re weighing commercial solar for your Millbrae building, bring us your PG&E bill. We’ll build the math off your real usage, file the FAA paperwork if your roof sits under an SFO approach path, and give you a number that won’t change next week. No signature wanted tonight. Call (877) 550-6892 for a free estimate and we’ll come out and walk the roof with you.

Written by Gus Petrakis, Owner at Gus’s Solar, serving Millbrae since 2011.

Why Millbrae Chooses Gus's Solar

We set the standard for commercial solar installation in Millbrae.

30-60 Min Response

Fast dispatch across Millbrae. Same-day and after-hours emergency service available.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Millbrae

Getting your commercial solar installation handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your commercial solar installation needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Millbrae - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local commercial solar installation pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    A background-checked tech heads outLicensed & insured, typically within 1-hour.
  4. 4
    You approve before work beginsNothing starts until you say go.

What Millbrae Customers Say

Trusted by homeowners across Millbrae and surrounding areas.

★★★★★

"He flashed every roof penetration properly and showed me the flashing before it went down. Three roof seasons on and not a drop anywhere."

Philomena Achara · Verified customer
★★★★★

"Panel level monitoring so I can see each one, proper stainless clips under the array rather than zip ties, and he walked me under it with a torch to show me before he signed off."

Cassius Delacroix · Verified customer
★★★★★

"Gus's own crew did the install. Not a subcontractor who had never met him, which is what the big outfit quoted me and could not tell me who would actually be on my roof."

Aurelia Santibanez · Verified customer

Current Offers

Bring these savings to your next appointment.

10%

10% Off Your First Service Visit

Valid on your first completed service visit with us.

Expires Dec 31, 2026
$40

$40 Off Any Repair Over $200

Expires Dec 31, 2026
Free

Free Second Opinion on Any Written Estimate

Expires Dec 31, 2026
Free

No Trip Charge Inside Our Own County

Expires Dec 31, 2026
10%

Senior & Veteran 10% - Always

Expires Dec 31, 2026

Ready for Commercial Solar Installation in Millbrae?

Call now for a free estimate - or request one below. Licensed, insured, and here with fast after-hours help in Millbrae.

(877) 550-6892

Request a Free Estimate in Millbrae

Tell us about your commercial solar installation needs - we'll respond within the hour.

By clicking submit, you confirm you have read our Privacy Policy and authorize us to contact you by call, text, or email regarding your service needs, including from the affiliated professionals who may take on the job.

Prefer to text? Send a Text
Areas We Serve
Call Now - 24/7 Dispatch