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

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

Professional solar battery storage & backup services in San Martin, CA. Licensed & insured. Same-day and after-hours emergency service available.

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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 Battery Storage & Backup Across San Martin

When the power drops in San Martin, most homeowners discover their solar array went dark along with it. That’s the part nobody mentions at the sales pitch: grid-tied solar without battery backup shuts off during an outage, even at high noon on a cloudless Santa Clara Valley day. A properly sized battery system keeps your lights, well pump, refrigerator, and barn circuits running while the grid sorts itself out. Gus’s Solar installs and services battery storage across San Martin, and a live person answers when you call (877) 550-6892.

Call (877) 550-6892

We know the parcels out here run large, the electrical panels date back a few decades, and the heat in July doesn’t mess around. That local knowledge shapes how we size and place every system we put in across the 95046 area.

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

Gus Petrakis puts his own name on the truck and his own number on the invoice. Homeowners in San Martin who’ve been burned by out-of-state outfits appreciate that difference. There’s no call center routing you to someone who’s never seen your property, and no subcontractor showing up unannounced. Gus’s own background-checked, uniformed crew does the work, and Gus is the one who answers when something doesn’t feel right.

We quote the year-25 output, not the day-one brochure number. And if someone tells you the deal expires tonight, that’s your cue to walk. Take two weeks. Think it over. The price we quote is the price you pay, whether you sign today or next month. That’s been our approach since 2011, and it’s why word travels on San Martin roads the way it does.

When you call us about a battery backup system for your place off Foothill Avenue or Monterey Road, you’re talking to someone who knows the county permitting process for unincorporated Santa Clara County, not someone reading from a generic script. That matters when the county’s Department of Planning and Development has its own timeline that differs from what your neighbors in Morgan Hill or Gilroy deal with.

Our Solar Battery Storage & Backup Services in San Martin

Tesla Powerwall Installation

We install Tesla Powerwall systems for San Martin homes that want a proven, compact battery with strong whole-home capability, alongside EV Charger Installation in San Martin as part of complete energy upgrades. For ranch-style homes with 200-amp panels, we typically pair a Powerwall with load control to cover well pumps, refrigeration, and essential household circuits during an outage. Many San Martin properties have the wall space in a garage or utility room for clean indoor mounting away from valley heat.

Tesla Powerwall Installation

Enphase IQ Battery Installation

The Enphase IQ Battery line suits San Martin homeowners who already run Enphase microinverters and want everything talking on one platform. These modular units let you start smaller and add capacity later, which works well for properties that might expand with an ADU or a barn conversion down the road. We handle the full scope: panel tie-in, Solar Panel Maintenance & Monitoring - San Martin setup, and county inspection coordination.

Enphase IQ Battery Installation

Whole-Home Backup Power

True whole-home backup in San Martin means sizing for a property that often includes more than the main house. Well pumps, automatic waterers, irrigation controllers, barn lighting, and stable circuits draw real power. We design whole-home backup systems that keep everything running through an extended outage, not just a few circuits. On large lots with open agriculture exposure, we account for equipment ratings under sustained load and afternoon thermal winds off the Diablo Range foothills.

Whole-Home Backup Power

Battery Retrofit for Existing Solar

Already have panels on your roof but no storage? That’s the most common setup we see in San Martin, and it’s an easy fix with San Martin Solar Panel Repair and retrofit expertise. We retrofit battery systems onto existing arrays from any major brand, adding the storage component so your panels produce and keep useful during blackouts. Homes built in the 1960s and 1970s along areas like Middle Avenue and San Martin Avenue often need a panel upgrade alongside the battery work, and we handle that as one job rather than bouncing you between contractors.

Battery Retrofit for Existing 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 San Martin

We work with equipment from Tesla, Enphase, SolarEdge, SunPower, Panasonic, Qcells, REC, Canadian Solar, JinkoSolar, and FranklinWH. For San Martin customers, that means if your existing system uses any of these brands, we can service, expand, or replace the battery component without swapping out everything else. Panasonic and FranklinWH batteries show up regularly in our local retrofits for their cycling performance in high-temperature conditions like the ones inland Santa Clara Valley summers produce. We keep common parts accessible and don’t make you wait weeks for a diagnostic.

Common Solar Battery Storage & Backup Problems We See in San Martin Homes

  • Undersized panels paired with ambitious battery plans. Many San Martin ranch homes from the 1950s through the 1980s still run original 100-amp panels. You can’t safely add a whole-home battery setup on that infrastructure, and we won’t pretend otherwise. We address the panel upgrade as part of the install so the system is actually safe and permitted.
  • Batteries installed without shade or ventilation. Inland Santa Clara Valley heat is brutal on battery chemistry. Equipment mounted against a west-facing wall in direct afternoon sun degrades years faster than the spec sheet suggests. We place batteries out of direct sun and ensure airflow, which extends the working life in San Martin conditions.
  • Cattle, horses, and rodents around ground-level equipment. Properties with barns and pasture land have a different set of risks than a suburban cul-de-sac. Rodent damage to wiring and battery housing is common on rural parcels. We harden exposed runs and recommend placement that keeps curious livestock and field mice away from the expensive parts.
  • NEM 3.0 confusion leading to the wrong storage size. Under current net metering rules, the economics of battery storage changed for San Martin solar owners. We sit down with your actual utility bill and size the battery around what you use and when you use it, so you’re not paying for storage capacity you’ll never cycle.

Pricing for Solar Battery Storage & Backup in San Martin, CA

A single Tesla Powerwall installation in San Martin typically runs $12,000 to $16,500 before incentives and tax credits, including hardware, wiring, and labor. Enphase IQ Battery systems land in a similar range, usually $10,000 to $15,000 depending on how many modules you stack. Full whole-home backup on large ranch properties with 200-400 amp services and outbuilding circuits runs $22,000 to $38,000 when paired with existing solar. These ranges reflect the county permitting requirements, the distances between structures on large lots, and the agricultural loads specific to San Martin. If your panel needs an upgrade, budget an additional $2,500 to $4,500. We give exact numbers from your actual usage, not a brochure. Call (877) 550-6892 for a free estimate on Solar Battery Storage & Backup for your property. No signature wanted tonight.

We Also Serve Cities Near San Martin

We regularly work with homeowners in San Martin and the surrounding communities of Morgan Hill, Gilroy, Interlaken, and Watsonville. If you’re close by with a similar setup, reach out. We also handle Solar Panel Cleaning in San Martin for systems whose output has dropped, and if you’re adding an electric vehicle to the ranch, ask about our EV Charger Installation in San Martin work.

Serving San Martin, CA - Our Local Coverage Area

We’re based in the San Martin 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 San Martin

Why San Martin Chooses Gus's Solar

We set the standard for solar battery storage & backup in San Martin.

30-60 Min Response

Fast dispatch across San Martin. 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 San Martin

Getting your solar battery storage & backup handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your solar battery storage & backup needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in San Martin - 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 battery storage & backup 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 Martin Customers Say

Trusted by homeowners across San Martin and surrounding areas.

★★★★★

"Four different companies knocked on my door in one summer and every one of them wanted a signature that evening. Gus has a shop with his name on it, gave me the numbers on paper, and told me to take a fortnight and think about it."

Winifred Castellano · Verified customer
★★★★★

"Honest quoting and good workmanship. He is not the cheapest quote I got, by some way, and he told me that himself and explained what the difference bought. I chose him anyway and I am glad."

Alistair Fennimore · Verified customer
★★★★★

"The install itself was excellent and the system performs as modelled. Permitting and the utility interconnection took about four months, most of it out of his hands, though the waiting was still frustrating."

Marguerite Ostrowski · 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 Battery Storage & Backup in San Martin?

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

(877) 550-6892

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