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 EV Charger Installation Across Cupertino
Installing a Level 2 EV charger in Cupertino usually costs $1,400 to $3,600 for the charger, dedicated circuit, and labor, with panel upgrades adding $3,200 to $5,500 when your 1960s ranch home still runs on 100-amp service. Our EV Charger Installation team handles the whole job in one trip: permit paperwork, panel work, charger mounting, and the final PG&E interconnection filing. Call (877) 550-6892 and we’ll walk through what your specific house needs.
We know Cupertino’s housing stock better than most. The 95014 and 95015 ZIP codes are full of single-story ranch homes from the 1960s and early 1970s, many of them never rewired, most of them owned by people who think about electrical loads the way other people think about sports scores. Apple engineers do not hand you a blank check. They hand you a spreadsheet and a list of questions about voltage drop, breaker sizing, and NEM 3.0 true-up math. We show up prepared for that conversation.
Why Gus’s Solar Is Cupertino’s Preferred EV Charger Installation Company
Gus Petrakis founded this company in 2011, and his name is on every truck, every invoice, and every permit we pull. That matters in Cupertino, where homeowners have been burned by out-of-state installers who quote one number on the phone and a different one at the door. We publish our address, our license number, and our owner’s name. If something is not right on a job, our 90-Day Done Right Promise means one call brings Gus back to make it right. In writing, on every job.
Response time to Cupertino runs same-day or next-day for most calls. We answer the phone with a live person 24/7, not a voicemail tree. That means when your charger throws a fault code at 10 p.m. on a Tuesday, you talk to a human who knows what a ground fault is, not a call center three states away.
Our crew installs chargers on Cupertino ranch homes every month. We know which neighborhoods still have knob-and-tube splices hiding in attics off De Anza Boulevard. We know which streets off Stevens Creek Boulevard have aluminum branch wiring from the first Silicon Valley boom. We know the Cupertino Building Division wants fire setback compliance reviewed carefully. None of that surprises us anymore.
Our EV Charger Installation Services in Cupertino
Level 2 Charger Installation
A Level 2 charger on a dedicated 240-volt circuit is the standard for Cupertino homeowners who actually drive daily. We run the circuit, mount the unit, and configure it for your panel’s actual capacity, not the spec sheet’s best-case number. For most ranch homes in the 95014 ZIP, that means checking whether your 100-amp panel can handle a 48-amp continuous draw without tripping the main breaker.

Tesla Wall Connector Installation
Cupertino has one of the highest Tesla ownership rates per capita in the Bay Area, and the Wall Connector is the most common unit we install. We stock the 60-amp breaker configuration and run proper 6-gauge copper wire, which matters when your charger sits 60 feet from the panel in a detached garage. The Tesla Wall Connector is a good unit. It only works as well as the circuit behind it.

Panel Upgrade for EV Charging
This is the service we emphasize most in Cupertino. The 1960s ranch inventory here was built on 100-amp panels, and a 48-amp EV charger typically pulls almost half that on its own. Add a solar array and a battery and you are over budget before the first Flex Alert. We upgrade to 200-amp service, replace aluminum branch wiring where needed, and get it permitted through the Cupertino Building Division without drama.

Garage & Driveway Charger Wiring
Most Cupertino ranch homes have attached garages with shallow attics, which makes wire runs tighter than they look. We bend that work around existing framing, not through it. If your panel is on the opposite side of the house from the garage, we quote the trenching or crawlspace run honestly up front. No surprise change orders.

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.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Cupertino
We work with the brands Cupertino homeowners already trust: Tesla Wall Connectors, FranklinWH aGate systems, Enphase IQ chargers, and SolarEdge inverter integrations. We stock common breaker sizes and mounting hardware locally, so most Cupertino jobs do not wait on a parts shipment. If your charger pairs with an existing solar array, we configure the load management so the car charges when your panels are actually producing, not when PG&E rates are at their peak.
Common EV Charger Installation Problems We See in Cupertino Homes
- The marine layer dip. Cupertino sits in a partial rain shadow east of the Santa Cruz Mountains, so solar yields are strong, but June and July mornings bring predictable fog from the Bay. If your charger is wired to pull from the grid while morning production is still ramping, your 100-amp main breaker can trip. We size circuits with that voltage drop in mind.
- Aluminum branch wiring on 1960s panels. Original 100-amp panels in Cupertino ranch homes frequently have aluminum branch circuits. Aluminum has higher resistance than copper, which means more heat at the same load. A 48-amp EV charger pushes those old wires harder than anything they were designed for. We check for this during the audit and replace what needs replacing.
- Knob-and-tube remnants in attics. Unremodeled ranch homes off Stevens Creek Boulevard and De Anza Boulevard sometimes still have knob-and-tube splices hiding in the attic. A Level 2 charger sharing a neutral with an old laundry circuit can overheat that splice. We trace the circuits before we land the charger.
- NEM 3.0 queue delays. PG&E’s interconnection queue for Cupertino runs long, and homeowners who do not batch their interconnection application before the Cupertino Building Division permit gets issued can wait six to ten extra weeks just for utility approval. We file interconnection first, permit second, and the clock starts running earlier.
Pricing for EV Charger Installation in Cupertino, CA
Here are the numbers we give homeowners on the phone. A Level 2 charger with a straightforward dedicated circuit runs $1,400 to $3,600 in Cupertino, depending on wire distance, unit choice, and whether your panel has open breaker slots. A Tesla Wall Connector install with a 60-amp circuit typically runs $1,800 to $4,200. A 200-amp panel upgrade runs $3,200 to $5,500, and most 1960s ranch homes in the 95014 ZIP need one. Solar-paired charging with a FranklinWH aGate or Enphase IQ charger runs higher because of the inverter integration and load management configuration.
We give free estimates and the number we quote is the number you pay. No signature wanted tonight. Bring us a bill, we’ll bring you the math. Take two weeks. The price will be the same.
We Also Serve Cities Near Cupertino
Our crew covers Cupertino plus Saratoga, Sunnyvale, Los Altos, and Mountain View. If you live in any of those areas and need EV charger work done right, call (877) 550-6892 and we’ll schedule a time that works. You can also learn more about our service area on our Cupertino information page.
Serving Cupertino, CA - Our Local Coverage Area
We’re based in the Cupertino 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 - EV Charger Installation in Cupertino
A 100-amp panel from the 1960s ranch boom is usually inadequate for a 48-amp Level 2 charger because the charger alone pulls nearly half the panel’s rated capacity. Add a solar array, a battery, or an older air conditioner running on a hot August afternoon and you exceed the safe continuous load. In Cupertino, where PG&E Flex Alerts and marine-layer dips already push older panels hard, upgrading to 200 amps is standard practice for safe, reliable EV charging. Call (877) 550-6892 and we’ll evaluate your panel for free, no obligation.
No. You need the permit approved by the Cupertino Building Division before we land the charger on the wall. But we submit the PG&E interconnection application first, before the permit is even issued, so the utility clock starts running earlier. That sequencing can shave six to ten weeks off your total wait time. Call (877) 550-6892 to ask about current timelines for the 95014 ZIP.
Yes, mostly. Cupertino gets meaningfully more annual sunshine than coastal Santa Cruz County or fog-prone West San Jose, but June and July mornings bring a predictable marine layer that pushes into the 95014 ZIP and cuts early-day generation. A south-facing array produces the bulk of its energy from late morning through early afternoon, which lines up well with EV charging if you set the car to charge mid-day instead of overnight. We configure load management so the array feeds the charger when production is actually there. Call (877) 550-6892 for a free production estimate based on your actual PG&E bill.
Cupertino’s Building Division enforces Santa Clara County fire setback rules, which apply primarily to roof-mounted solar equipment rather than the charger itself, but the charger circuit must be on a dedicated breaker with AFCI or GFCI protection per the National Electrical Code. If the charger is integrated with a solar-plus-battery system, rapid shutdown rules affect the inverter and array wiring. We handle all of that in the permit package so the inspection clears the first time. Call (877) 550-6892 for a free permit review.
No. PG&E does not differentiate by charger brand under NEM 3.0. What matters is whether the system is tied to a solar array that exports under a NEM 3.0 interconnection agreement and whether the total system size triggers additional engineering review. A standalone Tesla Wall Connector on a non-solar home is just a new load. When it is paired with solar and battery storage, the interconnection math changes and batching your application early matters more. Call (877) 550-6892 and we’ll walk through what applies to your specific setup.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Cupertino and the surrounding Bay Area since 2011.






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