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Fast, Reliable Solar Battery Storage & Backup Across Clearlake
Solar battery storage in Clearlake typically costs $9,500 to $18,500 installed, and most homes we see here need a different approach than the standard wall-mount job you’ll find in Lakeport or Ukiah. That’s because a large share of Clearlake’s housing stock is manufactured and mobile homes built between the 1960s and 1980s, which changes how batteries get mounted, grounded, and wired. We’ve been doing this work long enough to know what actually holds up in Clearlake’s heat, and what fails early. If you’re trying to figure out whether battery backup makes sense for your home in the 95422, call (877) 550-6892 and Gus will give you a straight answer.
Why Gus’s Solar Is Clearlake’s Preferred Solar Battery Storage & Backup Company
We’re not a pop-up outfit that shows up in Clearlake for a weekend of door knocking. Gus Petrakis started this company in 2011, and his name, address, and license number are published right on our website. A live person answers the phone 24/7, not a voicemail queue. When you call (877) 550-6892 with a battery question, you get a real answer from someone who has actually worked on manufactured homes in Clearlake.
Our crew knows Lakeshore Drive from Olympic Drive, and we know the difference between a 1970s double-wide chassis and a 1990s single-wide. That matters when you’re deciding where a 250-pound battery can safely go. We’ve retrofitted batteries onto manufactured homes throughout Clearlake, and we understand PG&E’s CARE rate structure well enough to build a savings model that doesn’t overpromise. Gus tells everyone the same thing: bring me a bill, I’ll bring you the math. Take two weeks to think about it. The price will be the same.
Response time to Clearlake is same-day for battery issues that affect your power, and next-day for standard consultations in most cases. Our background-checked, uniformed techs do the work themselves. No subs. No hand-offs. And every job carries our 90-Day Done Right Promise in writing: if it’s not right, Gus makes it right.
Our Solar Battery Storage & Backup Services in Clearlake
Our Solar Battery Storage & Backup work in Clearlake covers everything from first-time battery installs to fixing systems that a previous installer left in bad shape. Here’s what we do most often in the 95422.
Tesla Powerwall Installation
A Tesla Powerwall install in Clearlake runs $11,000 to $16,500 for a single unit, including gateway and wiring. For manufactured homes, we almost always recommend ground-mount or shaded-wall placement rather than bolting the Powerwall to an exterior wall that can’t carry the load. The Powerwall likes to stay between 32°F and 86°F, so on Clearlake afternoons that hit 100°F, placement and ventilation clearance determine whether your battery actually delivers its rated output or throttles down right when you need it most.

Enphase IQ Battery Installation
Enphase IQ batteries run $9,500 to $14,000 installed in Clearlake. Because Enphase pairs the battery with their microinverters, it’s a natural fit for manufactured homes that already have Enphase panels on the roof. The modular design also helps when interior wall space is limited, which is common in mobile homes where narrow stud bays and thin sheathing rule out some mounting locations.

Whole-Home Backup Power
Whole-home backup in Clearlake typically means sizing a battery system to cover your essential loads: refrigerator, well pump if you’re on one, medical equipment, lighting, and a few outlets. Most Clearlake homes get by with 10 to 13.5 kWh of storage for essential-load backup, but if you’re on a deeper well or running a sump pump during winter storms, you may need more. We size the system off your actual usage history from your PG&E bill, not a brochure estimate. Gus quotes the year-25 output, not the day-one number.

Battery Retrofit for Existing Solar
This is the job we do most often in Clearlake. Homeowners who went solar five or ten years ago, before battery prices dropped and before NEM 3.0 changed the export math, now want storage. Adding a battery to an existing system in Clearlake runs $8,000 to $15,000 depending on whether your current inverter supports AC-coupled storage or needs a replacement. We’ve retrofitted Enphase, Tesla, SolarEdge, and FranklinWH batteries onto systems from every major installer in Lake County. If a different company put in your panels, that doesn’t matter. We service what’s on your home now.

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.
- 3
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 Clearlake
We work with equipment from Tesla, Enphase, SolarEdge, FranklinWH, and Panasonic, and we stock the parts our Clearlake customers need most: transfer switches, rapid shutdown components, breakers rated for manufactured-home panels, and battery communication cables. When a FranklinWH aGate or an Enphase IQ System Controller fails in the middle of a Clearlake heat wave, we don’t want you waiting a week for a part from a warehouse in Arizona. We carry what we can locally, and we send our own crew, not a subcontractor, to make the fix.
Common Solar Battery Storage & Backup Problems We See in Clearlake Homes
Clearlake’s specific combination of manufactured housing stock, 95°F+ summer afternoons, and PG&E rate structures creates failure patterns you won’t see at the coast. Here’s what we run into most:
- Inverter thermal throttling on low-pitch roofs. Many Clearlake manufactured homes have shallow roof pitches with minimal ventilation clearance behind panels. When the inverter gets hot, it cuts power output and slows battery charging, which shrinks your backup runtime exactly when the grid is most stressed. We check clearance during every assessment and often recommend relocating the inverter or adding passive ventilation.
- Battery placement constrained by chassis and narrow walls. Manufactured-home chassis grounding requirements and thin interior walls force installers to make bad placement decisions. A battery crammed into a sunny, unventilated alcove loses round-trip efficiency fast. We’ve seen systems lose 15 to 20 percent of their nameplate capacity within two years because of heat exposure.
- CARE-rate misconfiguration draining batteries at the wrong time. A meaningful number of Clearlake residents qualify for PG&E’s CARE discount, which lowers the avoided-cost value of each kilowatt-hour. If your Time-of-Use settings were built for a non-CARE customer, your battery discharges during low-value periods and sits idle when rates are highest. That quietly inflates your payback period. We rebuild the TOU schedule to match your actual PG&E tariff, CARE tier included.
- Wildfire smoke season cutting production and backup recharge. During fire season, smoke reduces panel output by 10 to 40 percent for days at a time. If your battery is sized too tight, you won’t refill it to full each day. We account for Clearlake’s smoke-season reality in our sizing math, not the sunny-day number.
Pricing for Solar Battery Storage & Backup in Clearlake, CA
Here’s what Clearlake homeowners can expect to pay, based on the jobs we’ve done in the 95422:
| Service | Typical Clearlake Cost Range |
|---|---|
| Tesla Powerwall (single unit, installed) | $11,000 - $16,500 |
| Enphase IQ Battery (installed) | $9,500 - $14,000 |
| Battery retrofit to existing solar | $8,000 - $15,000 |
| Whole-home backup (sized to essential loads) | $12,000 - $22,000 |
| Battery replacement or expansion | $6,500 - $13,000 |
What moves the price in Clearlake is mostly your home type. Manufactured homes need ballasted or ground-mount solutions more often than stick-built homes, and that adds materials and engineering time. Panel age, inverter compatibility, and whether your existing system is AC-coupled all matter too. We give you an upfront number and we don’t ask for a signature tonight. Call (877) 550-6892 for a free estimate, and if you have a written quote from another installer, bring it by. Gus will give you a free second opinion.
We Also Serve Cities Near Clearlake
If you’re in Hidden Valley Lake, Cloverdale, Williams, or Calistoga, our crew comes to you too. The team at Solar Battery Storage & Backup in Clearlake covers the whole area, and scheduling is coordinated from our San Francisco Bay Area office. Same crew, same 90-Day Done Right Promise, same live person on the phone at (877) 550-6892.
Serving Clearlake, CA - Our Local Coverage Area
We’re based in the Clearlake 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 Clearlake
Yes, but not the standard way. Most manufactured homes in Clearlake can’t support a 250-pound wall-mounted battery on their exterior walls, so we install Powerwalls on ground-mount pads or on reinforced platforms. Your home’s chassis grounding system must also be verified before the battery is connected. We’ve done this successfully on single-wides and double-wides throughout the 95422. Call (877) 550-6892 and we’ll assess your specific home before you spend a dollar.
The CARE discount lowers your effective electricity rate, which reduces the value of each kWh your battery offsets. That means a battery sized and configured for a non-CARE customer will underperform on savings for a CARE household. We run your actual PG&E bill through our savings model, CARE tier included, so the numbers reflect what you’ll actually save, not what a brochure says. Free estimate at (877) 550-6892.
Heat is the main answer. When Clearlake hits 100°F, batteries derate to protect themselves, and inverters thermal-throttle and slow charging. If your battery is placed in direct sun or in a tight enclosure, the problem compounds fast. We relocate batteries to shaded, ventilated positions and check inverter clearance when we assess any underperforming system in Clearlake.
Yes, but at a reduced rate. Smoke from Lake County fires can cut panel output by 10 to 40 percent for days or weeks. If your battery is sized too tight, it won’t refill to full each day, and you’ll pull more from the grid. We size systems for Clearlake’s actual sun-and-smoke reality, not just the clear-sky number. If you have a current system producing less than expected during smoke season, call (877) 550-6892 and we’ll take a look.
Yes, and this is one of the most common jobs we do in Clearlake. Whether your panels came from a national chain or a defunct local shop, we can retrofit a battery onto the system you already have. For some older inverters, you’ll need an AC-coupled battery like Enphase or FranklinWH. We’ll tell you what works with your current equipment and what doesn’t. Bring your original paperwork if you have it, and call (877) 550-6892 for a free assessment.
Key Takeaways
- Battery backup in Clearlake costs roughly $9,500 to $18,500, depending on home type and system size.
- Manufactured and mobile homes need ballasted or ground-mount battery solutions, not standard wall mounts.
- PG&E’s CARE rate changes the savings math for qualifying Clearlake customers; generic payback estimates don’t work here.
- Clearlake’s summer heat and wildfire smoke season both affect battery performance and sizing.
- Gus’s Solar has been locally owned since 2011, with a live person answering the phone 24/7 and a 90-Day Done Right Promise on every job.
Call Gus’s Solar for Battery Backup in Clearlake
If you live in Clearlake and you’re done with high-pressure solar salespeople and out-of-state installers who vanish after the paperwork clears, call (877) 550-6892. Gus Petrakis will answer or call you back fast. Bring him your PG&E bill, and he’ll show you the year-25 math, not the day-one glossy number. No signature wanted tonight. The price is the same in two weeks. That’s how we’ve done business since 2011, and it’s why Clearlake homeowners keep our number.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Clearlake and all of Lake County.






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