Solar Panel Installation in Sunnyvale, CA | Gus’s Solar - Gus's Solar

Solar Panel Installation in Sunnyvale - Same-Day Service, Done Right the First Time

Professional solar panel installation services in Sunnyvale, 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 Solar Panel Installation Across Sunnyvale

Solar panel installation in Sunnyvale runs $14,500 to $28,000 for a typical 7-10 kW rooftop system, and most jobs take two to four weeks from signed contract to utility approval. That includes the 200-amp panel upgrade 94086 and 94087 ranch homes almost always need. We know Sunnyvale’s housing stock, PG&E’s NEM 3.0 rules, and the TOU peak that hits your AC exactly when export credits are worthless. Call (877) 550-6892 and bring a bill. We’ll show you the year-25 math off your actual usage, not a brochure estimate.

Call (877) 550-6892

Why Gus’s Solar Is Sunnyvale’s Preferred Solar Panel Installation Company

Gus Petrakis has put his own name on this company since 2011. He answers his own phone, publishes his license number, and does not send a sales rep to your door with a clip-on badge and a “today-only” pitch. In Sunnyvale we work with homeowners in 94087, 94086, and 94085 who have already been quoted one number on the phone and another at the table. That does not happen here.

Our Sunnyvale customers regularly mention two things in reviews: the quote matched the final invoice to the dollar, and a live person picked up when they called at 9 pm with a question about their true-up statement. We schedule crews into Sunnyvale neighborhood by neighborhood, so response time for a site visit runs one to three business days depending on permit backlog at the city’s building division. Gus’s own crew does the install. Background-checked, uniformed, and the same faces you’ll see at the hardware store on El Camino.

We run on the L.O.C.A.L. code: Local roots, On time, Community first, Accountable, Loyal. In Sunnyvale that means quoting your panel upgrade upfront, walking your HOA paperwork for townhomes near Lawrence Expressway, and telling you to take two weeks before you sign anything. The price will be the same.

Our Solar Panel Installation Services in Sunnyvale

Rooftop Solar Installation

Most Sunnyvale rooftop installs go on low-pitch ranch homes built between 1955 and 1975. These roofs are actually ideal for solar: shallow slopes mean flatter panel angles that catch the inland South Bay sun across more of the day. We mount with flashed, sealed roof penetrations on every attachment point. We do not hand work off to subcontractors. Gus’s crew is on your roof from the first rail to the last microinverter.

Rooftop Solar Installation

Solar System Design & Permitting

This is where Sunnyvale jobs live or die. PG&E’s NEM 3.0 interconnection rules effective April 2023 cut export compensation by roughly 75%. What that means practically: a system sized off day-one output will disappoint you on every true-up statement. We design around your actual 12-month usage from your real utility bill, factor in your TOU peaks between 4 and 9 pm, and line-item the 200-amp panel replacement if your 100-amp box is already running near capacity. Sunnyvale’s building division reviews are thorough. We submit clean permit packages the first time.

Solar System Design & Permitting

Solar Panel Replacement

If you have an older Sunnyvale system with a failed string inverter or degraded panels, we’ll assess it against current PG&E interconnection rules. Sometimes replacing an entire array costs less than continuing to run a 15-year-old system at 60% output under NEM 3.0. In the 94087 neighborhoods like Cherry Chase and Serra, we see 2008-2015 era systems whose inverters are now failing and whose monitoring portals died with the installer. We bring those systems current, and we monitor them ourselves.

Solar Panel Replacement

Roof-Mount & Tile Roof Solar

Sunnyvale’s ranch homes mostly use composition shingle, but the newer infill and some east-side pockets have concrete tile. Tile roof solar requires careful removal and re-setting of tile around mounting feet, plus specialized flashing. We do this in-house. On 94085 townhomes along the Lawrence Expressway corridor, shared-roof title issues and HOA architectural review add six to ten weeks to interconnection timelines. We manage that paperwork end-to-end and keep you posted at each step.

Roof-Mount & Tile Roof 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 Sunnyvale

We install and service Qcells, SunPower, and REC panels, with Enphase microinverters on most Sunnyvale rooftop jobs. For battery storage we work primarily with Tesla Powerwall and FranklinWH. Because our San Francisco Bay Area office coordinates parts logistics, common components for these systems are locally staged, so a replacement microinverter or monitoring gateway does not sit on backorder for three weeks while your system is dark. If a panel fails under warranty, we process the RMA. If an inverter faults, one call brings Gus back.

Common Solar Panel Installation Problems We See in Sunnyvale Homes

  • 100-amp panels already maxed out. In 94087, where tech workers layered EV charers, mini-splits, and home-office server racks onto 1960s ranch electrical systems, electricians routinely find the original panel running at 80%+ sustained load before a single solar circuit is added. A 200-amp service upgrade is not an upsell. It is the permit requirement.
  • TOU peak pricing swallowing solar savings. Sunnyvale’s summer afternoons hit 90-95°F, driving AC load exactly into PG&E’s 4-9 pm peak window when net metering credits are lowest. Without battery dispatch timed to that window, homeowners see true-up bills far higher than the original proposal promised.
  • HOA and shared-roof delays in 94085 townhomes. Townhome and mixed-use infill near Lawrence Expressway comes with architectural review committees and shared-roof approval layers. Contractors who do not file the HOA package early lose weeks and sometimes lose the customer to frustration.
  • Permit rejections after contract signing. The single most common failure mode in Sunnyvale is a contractor who quotes a system without the panel upgrade, then hits a permit-rejection wall mid-job. We line-item it in the first written estimate. The number you see is the number you pay.

Pricing for Solar Panel Installation in Sunnyvale, CA

Here are real Sunnyvale numbers. A 7 kW rooftop system with Qcells panels and Enphase microinverters runs $14,500 to $18,500 before the federal tax credit, including a 200-amp panel replacement where needed. A 9.6-10 kW system with a Tesla Powerwall typically lands between $24,000 and $28,000. Tile roof installs add $1,500 to $3,500 depending on roof complexity. Solar panel replacement starts around $3,000 for a small array and scales with wattage. Solar System Design & Permitting as a standalone service, for homeowners bringing their own equipment, runs $1,800 to $3,200. Free second opinion on any written estimate. Free estimates on new systems. No trip charge inside Sunnyvale.

We Also Serve Cities Near Sunnyvale

From our Sunnyvale base we send crews to Mountain View, Santa Clara, Cupertino, and Los Altos. If your home sits within PG&E territory in any of those cities, the same NEM 3.0 math applies and the same crew does the work. For broader service details, see our Solar Panel Installation page. For Sunnyvale-specific scheduling and permit questions, see Solar Panel Installation in Sunnyvale or call (877) 550-6892 directly.

Serving Sunnyvale, CA - 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 - Solar Panel Installation in Sunnyvale

Written by Gus Petrakis, Owner at Gus’s Solar, serving Sunnyvale and the surrounding South Bay communities since 2011.

Why Sunnyvale Chooses Gus's Solar

We set the standard for solar panel installation in Sunnyvale.

30-60 Min Response

Fast dispatch across Sunnyvale. 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 Sunnyvale

Getting your solar panel installation handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your solar panel 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 Sunnyvale - 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 solar panel 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 Sunnyvale Customers Say

Trusted by homeowners across Sunnyvale and surrounding areas.

★★★★★

"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
★★★★★

"He modelled it on my actual bill and the current export rates rather than the old ones, and told me plainly that the payback was longer than the door knockers had claimed. Then it came in about where he said it would."

Octavius Redmond · Verified customer
★★★★★

"Production dropped one spring and I did not even notice. Gus rang me, because he watches the monitoring, and had it sorted the same week."

Sunita Balakrishnan · 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 Solar Panel Installation in Sunnyvale?

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

(877) 550-6892

Request a Free Estimate in Sunnyvale

Tell us about your solar panel 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