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

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

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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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Full Restoration
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Complete Upgrade

Fast, Reliable Solar Battery Storage & Backup Across Crestline

When the power cuts out up here, it doesn’t feel like an inconvenience. It feels like a mountain problem. The trees are dense, the roads are winding, and the grid is the last thing SCE fixes when a storm or fire risk rolls through. A whole-home battery system in Crestline isn’t about saving a few cents on your bill. It’s about keeping your fridge running, your well pump alive, and your heat on when the Public Safety Power Shutoff hits at 2 a.m. Our Solar Battery Storage & Backup team knows exactly how that feels because we service Crestline homes every week, not once a quarter.

Call (877) 550-6892

We show up within 24 to 48 hours for most Crestline calls. Call (877) 550-6892 and a live person answers, day or night, not a voicemail tree.

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

Gus Petrakis founded Gus’s Solar in 2011 and put his own name on the truck. When you hire us for battery storage in Crestline, Gus is the one who shows up, walks your property, and tells you honestly whether you need a $9,000 retrofit or a $20,000 whole-home backup. He doesn’t hand that conversation to a sales rep from another state. He doesn’t ask you to sign anything tonight. His standing rule: if a salesman needs an answer tonight, the answer is no.

Crestline homeowners tell us the same thing over and over: they got burned by a door-knocker who quoted one number on the phone and another at the door. We publish our pricing and build the quote off your actual SCE bill. Bring me a bill, I’ll bring you the math. That’s the Gus’s Solar way, and it’s held up for 14 years across the San Bernardino mountains.

Our crews are background-checked, uniformed, and they’re our own. We do not subcontract. The person who installs your Enphase IQ Battery or Tesla Powerwall is the same person who answers your question six months later when you call about an error light. And if something isn’t right, the 90-Day Done Right Promise means one call brings Gus back, in writing, on every job.

Our Solar Battery Storage & Backup Services in Crestline

Tesla Powerwall Installation

In Crestline, the Tesla Powerwall 3 is the most common battery we install for whole-home backup. It handles the snow load conversation because it’s floor or wall mounted in the garage, not on the roof, and it pairs cleanly with existing solar arrays that were installed before NEM 3.0 changed the economics. A typical Crestline home with a 200-amp panel and average daily usage runs one Powerwall 3 at around $13,500 to $16,000 installed, before any SGIP rebates or tax credits.

Tesla Powerwall Installation

Enphase IQ Battery Installation

The Enphase IQ Battery system works well for Crestline cabins where roof space is already tight and the solar array is smaller. Because Enphase uses microinverters, each panel and battery unit operates independently, which means snow covering one section of panels doesn’t kill the entire array’s output. For a retrofit to an existing Enphase solar system, we typically see Crestline projects land between $9,000 and $12,000 for one IQ Battery 5P, with installation included.

Enphase IQ Battery Installation

Whole-Home Backup Power

Whole-home backup is the serious answer for Crestline residents who live on the south side of Lake Gregory or up toward the Rim of the World High School, where power lines run through dense ponderosa pine and outages last longest. We design the system so your refrigerator, furnace blower, well pump, lighting, and a few kitchen outlets stay live when SCE cuts power. Depending on your panel, this usually means two Powerwall 3 units or a FranklinWH aPower system, landing between $22,000 and $30,000 in Crestline before incentives.

Whole-Home Backup Power

Battery Retrofit for Existing Solar

If you already have panels on your Crestline cabin but no storage, a retrofit is the most valuable upgrade you can make under NEM 3.0. The old net metering rules paid you nearly retail for solar you pushed back to the grid. The new rules pay pennies. A battery lets you keep that power and use it at night when SCE rates spike. Most Crestline retrofits run $11,000 to $18,000 depending on battery size and whether your existing inverter needs replacement.

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 Crestline

We install and service Tesla Powerwall, Enphase IQ, FranklinWH, Panasonic, Canadian Solar, and JinkoSolar systems. Because we’re based in the Inland Empire and dispatch our own crew up the 18 to Crestline every week, we keep common battery parts and monitoring hardware on hand. That means when a Crestline system throws an error code, we don’t wait on a two-week parts lead time from a warehouse in Texas. We come up, we diagnose, we fix. If you bought a battery from a now-defunct installer, we’ll take over monitoring and repair it. You don’t need the original company to keep your system alive.

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

  • Undersized panels and 100-amp electrical services. Most Crestline cabins were built in the 1940s through the 1960s as weekend retreats near Lake Gregory. The electrical panels are often 100 amps, and a battery system plus an EV charger plus a modern kitchen will trip that. We usually recommend a main panel upgrade before or alongside the battery install, which adds about $3,000 to $5,000 in Crestline.
  • Tree shading on the one usable roof plane. The dense ponderosa pine and incense cedar canopy in Crestline means the south-facing roof section with actual sun is often the same section where California Fire Code setbacks from the ridge and eaves are eating into usable area. We measure this during the site survey and tell you honestly whether your roof will support enough solar to make a battery worthwhile, or whether ground-mounted panels make more sense.
  • Snow load on roof-mounted solar and wiring. Crestline sits at roughly 4,500 feet, and real winter snowfall is a fact of life. Panels and conduit need to be rated for snow load, and the wiring needs to survive freeze-thaw cycles year after year. Lower-elevation installers from the valley don’t always plan for this. We do, because we’re up here often enough to see what fails.
  • PSPS shutoffs during fire season. SCE’s Public Safety Power Shutoff events hit Crestline hardest precisely during the August to October fire window. If your battery system was installed before 2022 and doesn’t have the right firmware or transfer switch configuration, it may not actually kick in when the grid goes down mid-shutoff. We test this on every service call because a backup battery that doesn’t back up is just an expensive brick.

Pricing for Solar Battery Storage & Backup in Crestline, CA

Here are honest numbers for Crestline, based on what we’ve actually installed in the 92325 zip code over the last three years. A single Tesla Powerwall 3 with installation runs $13,500 to $16,000. An Enphase IQ Battery 5P retrofit to existing solar lands between $9,000 and $12,000. A FranklinWH aPower for a larger home runs $14,000 to $18,000. A whole-home backup system with two Powerwall 3 units or equivalent runs $22,000 to $30,000. Main panel upgrades, if needed, add $3,000 to $5,000. These are installed prices, not equipment-only quotes, and they include permits, inspection, and our 90-Day Done Right Promise. Call (877) 550-6892 and we’ll give you a written number off your actual bill, not a brochure estimate. Take two weeks to think about it. The price will be the same.

We Also Serve Cities Near Crestline

Beyond Crestline, our crew regularly works in Lake Arrowhead, Muscoy, San Bernardino, and Highland. If you’re just up the road in Lake Arrowhead or down the hill in San Bernardino, the same Gus’s Solar team covers your battery install and service. We also handle Solar Panel Cleaning in Crestline for systems that collect pine needles and winter grime, and if you drive an electric vehicle up here, we can pair your battery with an EV Charger Installation in Crestline so you’re charging off stored solar instead of SCE’s peak rates.

Serving Crestline, CA - Our Local Coverage Area

We’re based in the Crestline 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 Crestline

Why San Jose Chooses Gus's Solar

We set the standard for solar in San Jose.

30-60 Min Response

Fast dispatch across San Jose. 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 Jose

Getting your solar handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your solar 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 Jose - 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 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.

★★★★★

"Told me straight that a battery did not make sense for how we use power and sold me the array without it. He talked himself out of a good deal of money that afternoon."

Reginald Pontefract · Verified customer
★★★★★

"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

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