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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 Solar Battery Storage & Backup Across McKinney
A typical solar battery install in McKinney runs $11,500 to $18,000 before the federal tax credit, with most homeowners pairing a battery with either a new array or an existing system already on the roof. Our crews work in McKinney every week, and we can usually have someone out to your home within 48 hours for an assessment. If you’re tired of watching your refrigerator shut off every time Oncor’s grid stumbles during a summer storm, call Gus’s Solar at (877) 550-6892. We’ll walk you through what a battery actually does for your house, not what a brochure says it might do.
McKinney isn’t like Plano or Frisco when it comes to solar battery work. The HOA layer here is real, the hail is real, and the older homes near downtown come with their own set of headaches. We know the difference between a Stonebridge Ranch ARB submission and a Craig Ranch one, and we know which roof planes on a curved-street lot in 75070 actually catch sun. That’s the kind of thing you only learn by doing the work here, week after week.
Why Gus’s Solar Is McKinney’s Preferred Solar Battery Storage & Backup Company
Gus Petrakis founded this company in 2011 and he still answers his own phone. That’s not a marketing line. Call (877) 550-6892 and you’ll get a person, not a queue. McKinney homeowners have dealt with enough door-knockers quoting one number on the porch and another at the kitchen table. We quote off your actual utility bill, and the number we give you is the number you pay.
Our Solar Battery Storage & Backup team has worked on homes across 75069, 75070, and 75071, from the historic streets near downtown to the new construction pushing north past 380. We’ve seen the ARB letters from Stonebridge Ranch. We’ve walked Craig Ranch lots where the south roof faces the street and the HOA says no visible panels. We’ve replaced hail-damaged equipment on homes that didn’t even know they had damage until their production numbers dropped. That local experience is what prevents surprises mid-project.
The 90-Day Done Right Promise applies to every solar job we do in McKinney. If it’s not done right, Gus makes it right. In writing. No arbitration clause, no “we’ll review your concern.” One call and he’s back at your house.
Our Solar Battery Storage & Backup Services in McKinney
Tesla Powerwall Installation
The Tesla Powerwall 3 is the most common battery we install in McKinney, and for good reason. It pairs cleanly with most existing inverters, handles whole-home backup well, and the app doesn’t require a computer science degree to read. A single Powerwall 3 installed in McKinney typically runs $13,000 to $16,500 including gateway and installation. Most homes in 75070 and 75071 with a 4-ton or larger AC will want two units if whole-home backup is the goal, which pushes the range to $24,000 to $29,000 before incentives.

Enphase IQ Battery Installation
If your McKinney home already has an Enphase microinverter system, sticking with the same ecosystem usually makes the most sense. The Enphase IQ Battery 5P runs around $12,000 to $15,000 installed as a retrofit, and the modular design means you can start with one and add capacity later without ripping anything out. We’ve put these on homes in Fairview and Melissa too, and the 15-year warranty holds up well against the hail and heat we get in Collin County.

Whole-Home Backup Power
Whole-home backup in McKinney means sizing the battery system to carry your AC, not just your lights and fridge. That’s the part where national installers often underquote, because they don’t know what a July afternoon in Collin County does to a 2,800-square-foot brick home’s load profile. Our team sizes off your actual usage data, not a square-footage chart. A typical McKinney whole-home backup system with two batteries and the necessary electrical work falls in the $22,000 to $32,000 range before the federal credit.

Battery Retrofit for Existing Solar
If you already have panels on your McKinney roof and you’re tired of exporting power to the grid for pennies while you buy it back at full retail, a battery retrofit is the fix. Most retrofits run $11,000 to $19,000 depending on your inverter and panel situation. Some systems built before 2019 need a new inverter or a DC-coupled solution, and we’ll tell you that up front. No bait-and-switch. Bring us a bill, we’ll bring you the math.

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 McKinney
We work with the brands McKinney homeowners already know: Tesla, Enphase, FranklinWH, and SolarEdge. That means if your existing system uses one of those platforms, we can usually integrate a battery without ripping out your inverter. For new installs, we recommend what fits your roof, your HOA constraints, and your actual usage, not whichever brand has the best spiff that month. We keep common parts locally stocked for faster turnaround across McKinney and the surrounding area, so a warranty replacement doesn’t mean waiting two weeks on a freight truck.
Common Solar Battery Storage & Backup Problems We See in McKinney Homes
- HOA flip-flops after the sale. McKinney’s master-planned communities require ARB approval, and sometimes the ARC approves a plan only to have a neighbor complaint trigger a re-review. We handle the resubmission and, when possible, design around it from the start so there’s nothing to re-review.
- Hail damage that doesn’t show on the panel glass. Class-4 panels can take an impact that looks cosmetic but compromises output. After a big hail event in McKinney, we often run production diagnostics on systems whose owners noticed a drop but couldn’t see damage. The battery’s charge rate drops, and nobody knows why until we check the array.
- 100-amp service on older downtown homes. Pre-1970s homes in 75069 frequently have a 100A main panel. Oncor will not approve a whole-home battery interconnection without a panel upgrade. We quote the upgrade as part of the project, so you’re not surprised by a second invoice later.
- East-west array confusion. If your south roof faces the street and the HOA says no visible panels, your quote will show an east-west split array. That’s not a design error. It’s McKinney reality on curved-street lots. We explain it clearly so you’re not comparing apples to a neighbor’s brochure number.
Pricing for Solar Battery Storage & Backup in McKinney, TX
Here’s what we’re actually quoting in McKinney right now:
- Tesla Powerwall 3 single unit (backup only): $13,000-$16,500
- Enphase IQ Battery 5P retrofit: $12,000-$15,000
- Whole-home backup (two batteries, electrical work included): $22,000-$32,000
- Battery retrofit for existing solar (inverter-dependent): $11,000-$19,000
- Main panel upgrade (100A to 200A), when required: $3,200-$5,000
- Federal tax credit (30%): deducted from the system cost
Your actual number depends on your home’s load, your current panel, and what your HOA will approve. But those ranges are honest. Call (877) 550-6892 for a free estimate off your actual bill, not a brochure.
We Also Serve Cities Near McKinney
Our Solar Battery Storage & Backup in McKinney work regularly takes us into Fairview, Melissa, Allen, and Princeton. Same crew, same pricing, same 48-hour assessment window. If you’re just outside the city line, you’re still in our service area, and the HOA and hail considerations are usually the same.
Serving McKinney, TX - Our Local Coverage Area
We’re based in the McKinney 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 McKinney
Yes. Texas Property Code §202.010 protects your right to install solar panels, but it does not override HOA architectural restrictions on where a battery enclosure can be placed. Many McKinney HOAs, including Stonebridge Ranch and Craig Ranch, require wall-mounted batteries to sit on a rear or side elevation, not the street-facing garage wall. We submit ARB applications with these restrictions in mind from the start, so approval doesn’t stall. Call (877) 550-6892 if you want to know what your specific HOA will likely accept.
Panel glass can survive a hail impact while the underlying cell structure degrades, causing output to drop 10 to 20 percent without any visible sign. In McKinney’s hail corridor, we recommend checking your production numbers against the previous month’s baseline after any significant storm. If your battery is charging slower or your array output is down, call us at (877) 550-6892. We’ll run diagnostics and coordinate with your insurance if there’s damage.
Because your south roof faces the street, and your HOA likely prohibits visible panels. In Stonebridge Ranch and Craig Ranch, many curved-street lots have the prime solar plane facing public view, which means we design an east-west split or a rear ground mount instead. This is the single most common mid-design change we make in McKinney, and it’s why a quote from an out-of-town installer often turns out to be fiction.
Yes, but only after a main panel upgrade. Oncor will deny the interconnection application for a whole-home battery tied to a 100A service. We quote the panel upgrade as part of the project, along with any other electrical work needed to bring the home up to code. Most downtown-area upgrades run $3,200 to $5,000, and we pull all required city permits for that work.
It’s mostly for backup. Texas has a deregulated retail market, and buyback plans in the McKinney area vary widely. Some plans credit you near the retail rate during peak summer hours; others pay you wholesale or nothing beyond a bill credit. A battery can help you time-shift your usage onto a free-nights or free-weekends plan, and that math works for some homes. But the honest answer is that backup resilience during hail-season outages is the primary financial justification in McKinney. We’ll run your bill and tell you which side of that line you’re on.
Ready to see what a battery actually makes sense for in your McKinney home? Call Gus’s Solar at (877) 550-6892. We’ll look at your bill, your roof, your HOA, and tell you straight. No pressure, no tonight-only pricing. Take two weeks. Think about it. The price will be the same.
Written by Gus Petrakis, Owner at Gus’s Solar, serving McKinney since 2011.






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