Solar Battery Storage & Backup in Dublin, CA | Gus’s Solar - Gus's Solar

Solar Battery Storage & Backup in Dublin - Same-Day Service, Done Right the First Time

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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

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Recent Project
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Complete Upgrade

Fast, Reliable Solar Battery Storage & Backup Across Dublin

Solar battery storage in Dublin, CA typically costs $9,500-$16,500 after federal tax credit for a single Tesla Powerwall 3 or Enphase 5P installation, and most Dublin homeowners get it done in one to two days. If you’re tired of watching your solar panels overproduce at noon while you buy back that same power at peak evening rates, a battery changes the math. We’re Gus’s Solar, and we’ve been wiring Dublin homes since 2011. Call (877) 550-6892 and we’ll send someone who actually knows what Dublin Ranch’s HOA boards expect before a single panel or battery gets lifted onto your tile roof.

Call (877) 550-6892

Why Gus’s Solar Is Dublin’s Preferred Solar Battery Storage & Backup Company

Dublin homeowners don’t need another door-knocker with a laminated pitch deck and a 90-day sales quota. They need someone who pulled permits for the Fallon Village CC&Rs last month and knows the difference between a Positano Hills rear-plane restriction and a Dublin Ranch front-facing prohibition. That’s us. Gus Petrakis puts his name on the truck, publishes his address and license number, and answers his own phone. No call center. No subcontracted crew you’ll never see again. Our Solar Battery Storage & Backup team is Gus’s own crew, background-checked and uniformed, and they’ve installed batteries in more Dublin garages than any out-of-state outfit working the Tri-Valley.

Dublin customers call us because the quote we give is the price they pay. Bring us a PG&E bill and we’ll build the math off your actual usage and current NEM 3.0 export rates, not a brochure number. Take two weeks to think about it. The price will be the same. If a salesman needs an answer tonight, the answer is no. That’s how we’ve operated in Dublin since day one, and it’s why our calls come from referrals, not door knocks.

Our Solar Battery Storage & Backup Services in Dublin

Tesla Powerwall Installation

A Tesla Powerwall 3 installed in a Dublin garage runs $11,000-$16,500 before incentives, depending on whether you need a backup subpanel, a Gateway 3, or meter collar changes. In Dublin’s newer east-side tracts where garages sit unconditioned and routinely hit 105°F in July, we pay close attention to ventilation and derating. Tesla’s specs assume a conditioned space, and a Powerwall stuffed next to a hot water heater in an August garage gives back less than the brochure promises. We plan for that.

Tesla Powerwall Installation

Enphase IQ Battery Installation

For Dublin homeowners who already have Enphase microinverters on the roof, adding an Enphase 5P battery is often the cleanest retrofit path. A single 5P install typically runs $6,500-$9,000, and because the system communicates natively with existing Enphase monitoring, you won’t have two apps fighting over your energy dashboard. We’ve installed Enphase batteries in Dublin Ranch homes where the HOA required the unit be tucked behind a garage side wall, invisible from the street, with conduit run through the attic to a recessed backup panel. Doable, but not something you want a crew learning on at your house.

Enphase IQ Battery Installation

Whole-Home Backup Power

Whole-home backup in Dublin means keeping your central A/C running when PG&E’s public safety power shutoffs hit the Tri-Valley, or when a substation fault takes out Fallon Village and Positano Hills for six hours on a 100°F afternoon. For true whole-home coverage on a 3,000-3,500 sq ft two-story Dublin home with dual-zone A/C, you’re usually looking at two Powerwalls or two Enphase 5P batteries, running $18,000-$28,000 installed. We’ll show you the exact math on your actual bill before you commit to anything.

Whole-Home Backup Power

Battery Retrofit for Existing Solar

This is the fastest-growing part of our Dublin work. Homeowners who bought solar between 2015 and 2021 under NEM 2.0 are now watching their export credits shrink under NEM 3.0 rate structures, and adding a battery is how you capture the value your panels are already producing. A retrofit on an existing Enphase or SolarEdge system runs $8,000-$14,000 including the battery, gateway, and any panel work needed. If your original installer went out of business or stopped answering calls, we take over the existing system, verify the roof mounting, and integrate the battery without ripping out good equipment.

Battery Retrofit for Existing Solar
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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 Dublin

We work with the equipment brands Dublin homeowners actually ask for: Tesla, Enphase, SolarEdge, and FranklinWH are the ones we’re installing weekly in the Tri-Valley, and we also service and integrate Panasonic panels and Canadian Solar arrays on existing systems. Because we’re local, we don’t wait weeks for a part to ship from a warehouse in Arizona. We keep common components, connectors, and firmware tools on the trucks that serve Dublin, so a warranty replacement or a failed Gateway doesn’t leave your house without backup power for a month. Gus’s Solar is a FranklinWH certified installer and a Tesla Powerwall certified installer, and we handle the warranty paperwork so you don’t have to fight a manufacturer’s phone tree.

Common Solar Battery Storage & Backup Problems We See in Dublin Homes

  • HOA redesigns that stall the permit. Dublin Ranch alone has multiple sub-associations, each with its own CC&Rs. We’ve seen installers quote a battery, pull permits for the wrong association’s rules, and lose four to eight weeks in a redesign cycle. We pull the governing documents for your specific parcel before we draft anything.
  • Concrete tile mounting failures on older retrofits. Dublin’s tile-hook mounting is standard for a reason, but if the flashing wasn’t done right during the original solar install, water intrusion follows. Our corrosion-inspection crew catches this on 2000-2010 Dublin Ranch retrofits before a battery install makes a bad situation worse.
  • Inverter derating in hot garages. When a Dublin garage hits 105°F, inverters throttle back and battery charge efficiency drops just when you want whole-home backup for A/C. We recommend and install ventilation or relocation when we see this, and we test for it before you sign anything.
  • Orphaned systems from defunct installers. We regularly take over systems from companies that sold Dublin homeowners a panel array five or ten years ago and then vanished. If your original installer is out of business, your warranty might still be active, and we’ll help you find out before you spend money on a replacement.

Pricing for Solar Battery Storage & Backup in Dublin, CA

Here’s what we’re charging Dublin homeowners right now, straight from our quote sheets. A single Tesla Powerwall 3: $11,000-$16,500 installed. A single Enphase 5P: $6,500-$9,000. A battery retrofit on an existing solar system: $8,000-$14,000. A whole-home backup setup for a 3,000+ sq ft Dublin home with two batteries: $18,000-$28,000. These are turnkey numbers: equipment, permitting, electrical work, HOA compliance, and the backup subpanel if you need one. The federal Investment Tax Credit knocks 30% off the battery portion when it’s charged from your solar, and we’ll show you exactly what your PG&E bill does after the install. Call (877) 550-6892 for a free estimate built from your actual bill, not a brochure. No signature wanted tonight.

We Also Serve Cities Near Dublin

Our crews work throughout the Tri-Valley and the wider East Bay. If you’re in San Ramon, Pleasanton, Hayward, or Danville, the same team that handles Solar Battery Storage & Backup in Dublin covers your area too, with the same local permitting knowledge and the same no-pressure quote policy. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, and our crews serve Dublin locally, so response times stay tight across the region.

Serving Dublin, CA - Our Local Coverage Area

We’re based in the Dublin 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 Battery Storage & Backup in Dublin

Call Gus’s Solar for Solar Battery Storage & Backup in Dublin

If you’re in Dublin, CA, and you’re tired of paying peak rates for power your own panels produced at noon, call (877) 550-6892. We’ll send a local crew that knows Dublin’s HOAs, Dublin’s tile roofs, and Dublin’s July heat. You’ll get a real quote built from your real PG&E bill. Take two weeks. Think about it. The price will be the same. Gus’s name is on the truck and on the work, and the 90-Day Done Right Promise means one call brings him back.

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

Why San Jose Chooses Gus's Solar

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3

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What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local solar 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 San Jose Customers Say

Trusted by homeowners across San Jose and surrounding areas.

★★★★★

"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
★★★★★

"My previous solar company went out of business and left me with an array nobody would touch. Gus took the system over, replaced two dead microinverters, and it has run properly since."

Ferdinand Kaltenbrunner · Verified customer

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