Free bill analysis - bring a power bill, get the production math for your actual roof, panel brands like Qcells and REC compared side by side
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 Rowlett
Solar battery storage in Rowlett runs about $9,500 to $18,500 installed for a single-battery system, and most retrofits on existing solar arrays finish in one to two days. That’s the straight answer. The longer answer involves your roof, your current inverter setup, and whether Rowlett’s hail season has already tested your panels the hard way. We know this city. The 2015 tornado rebuilt half of it. The afternoon squall lines off Lake Ray Hubbard hammer the rest. If you want a battery that actually works when the power goes out, call Gus Petrakis at (877) 550-6892. No handout, no pitch deck, just math built off your Oncor bill.
Why Gus’s Solar Is Rowlett’s Preferred Solar Battery Storage & Backup Company
Gus’s Solar has been locally owned since 2011. That’s Gus Petrakis’s name on the truck, on the building, and on every quote we hand you. We do not sub out battery work to a third-party crew. Gus’s own team shows up in uniform, background-checked, and they know Rowlett’s streets because they’re driving them every week.
Rowlett homeowners keep calling us back for one reason: when something isn’t right, one phone call brings Gus back to the driveway. That’s the 90-Day Done Right Promise, in writing on every job. A live person answers our phones 24/7, not a call center. You call at 6 a.m. because your battery faulted overnight, you get a human being, not a ticketing portal.
Here’s the thing about battery storage in Rowlett specifically: it’s not a luxury add-on. It’s what keeps the CPAP running when the next squall line snaps a feeder. We program systems for that reality. Storm watch enabled by default. Self-consumption mode tuned to Oncor’s time-of-use rules. That’s the difference between a national installer guessing and a local shop that knows the hail corridor.
Our Solar Battery Storage & Backup Services in Rowlett
Tesla Powerwall Installation
A Tesla Powerwall 3 installation in Rowlett typically runs $11,000 to $16,500 for the first unit, including gateway, wiring, and permits. That’s the price range we quote most often in the 75088 and 75089 ZIPs. Powerwalls handle Rowlett’s summer heat well, but placement matters: a west-facing garage wall exposed to Lake Ray Hubbard squalls gets direct wind-driven rain. We mount accordingly. Storm watch gets enabled on day one, so the battery tops itself off before a severe thunderstorm warning.
Enphase IQ Battery Installation
If your Rowlett home already runs Enphase microinverters, the IQ Battery is often the cleanest retrofit. A single IQ 5P usually lands around $8,500 to $12,000 installed in Rowlett. But there’s a catch we see often in this city: microinverters from 2016 to 2018 installs, the ones that went up right after the tornado rebuilds, sometimes lack the firmware to talk to current IQ Battery controllers. We keep older firmware tools on hand so we’re not ordering a whole new inverter swap when a simple update would do.
Whole-Home Backup Power
Whole-home backup for a typical Rowlett brick-veneer tract home, the 2,500 to 3,200 square foot range, usually needs two to three batteries. Budget $19,000 to $34,000 for a system that runs your AC, well pump, and both refrigerators through a multi-day outage. One battery handles essentials: lights, fridge, CPAP, router, a few circuits. Two batteries covers most of the house except the big HVAC draw. Three gets you through the kind of extended outage that follows an EF-rated storm through Dallas County.
Battery Retrofit for Existing Solar
This is the most common call we get in Rowlett right now. You already have panels. You want storage. A retrofit on an existing array in Rowlett typically costs $9,500 to $15,000 per battery installed, depending on whether your current inverter needs a firmware update, a communication bridge, or a full swap. Here’s what most people don’t know: some post-tornado-era installs from 2016 to 2018 used microinverters that won’t play nice with modern battery management systems. We tell you that before you sign, not after commissioning fails.
Trusted Brands We Service in Rowlett
We work with Tesla, Enphase, FranklinWH, and Panasonic battery systems, along with panels from Canadian Solar and JinkoSolar. We stock common replacement parts and firmware tools locally, which matters in Rowlett because you don’t want to wait three weeks on a backordered inverter board when hail season is breathing down your neck. We also service what we didn’t install. If a national outfit put your system in and vanished, we’ll come fix it.
Common Solar Battery Storage & Backup Problems We See in Rowlett Homes
- Wind-driven rain corrosion. Battery enclosures mounted on west-facing garage walls take the brunt of Lake Ray Hubbard squall lines. Generic NEMA 3R boxes can leak, corrode, or fail seal integrity over time. We see it every spring. Proper flashing and gasket checks prevent it.
- Rapid shutdown conflicts. Rowlett’s AHJ inspectors enforce NEC 2017 rapid shutdown rules before approving any battery interconnection amendment. If your existing array doesn’t comply, the retrofit stalls. We check this first, because it saves you a failed inspection.
- Post-tornado roof assumptions. Homeowners in 75088 and 75089 know their roof age to the exact year because they filed insurance in late 2015. That’s great for solar viability, but older microinverters from that rebuild window sometimes can’t communicate with current battery controllers. It’s not a roof problem. It’s a firmware problem.
- Hail impact on battery enclosures. IEC 61215 Class 4 hail-rated panels are nearly mandatory as a Rowlett selling point. But battery enclosures need impact consideration too, especially units installed on exposed exterior walls. We select placement and enclosure ratings with hail in mind, not just what’s easiest to reach.
Pricing for Solar Battery Storage & Backup in Rowlett, TX
Here are the ranges we quote across Rowlett every week. A single-battery retrofit on an existing solar array: $9,500 to $15,500. A new Tesla Powerwall 3 with gateway and installation: $11,000 to $16,500. An Enphase IQ 5P system: $8,500 to $12,000. Whole-home backup with two batteries: $19,000 to $28,000. These numbers include permits, wiring, and labor. What moves the price in Rowlett is your existing inverter type, panel placement, and whether your main panel needs a subpanel or load-shedding relay. Bring us a bill, we’ll bring you the math. And we’ll quote it year-25, not day-one. Estimates are free. Call (877) 550-6892.
One thing that keeps Rowlett prices a little lower than other DFW suburbs: the post-tornado roof cohort in 75088 and 75089. Cleaner decking, newer underlayment, fewer liability reassessments. If you’re one of the households that re-roofed in 2016 to 2018, you’re likely in the sweet spot for solar plus battery before the next replacement cycle.
We Also Serve Cities Near Rowlett
We cover the full Rowlett area, including Sachse, Garland, Wylie, and Rockwall. If you’re on the Rowlett side of Lake Ray Hubbard or just over the county line, the same crew comes out. Same pricing structure. Same 90-Day Done Right Promise. No trip charge inside our own county.
Serving Rowlett, TX - Our Local Coverage Area
We’re based in the Rowlett 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 Rowlett
Hail-rated panels are not an upsell in Rowlett, they’re baseline expectation. Rowlett sits in one of the most active hail corridors in the DFW metro, and the December 26, 2015 tornado made every homeowner in 75088 and 75089 acutely aware of what wind and ice can do. A battery is separate from hail concerns. The battery question is about outage duration. If you’re okay with no power for six hours after a squall line, skip the battery. If you need a CPAP, refrigerated medicine, or just don’t want to lose a freezer full of food, a battery pays for itself over two or three outages. Call (877) 550-6892 and we’ll walk through the actual math on your bill.
Yes. A battery retrofit typically lives at ground level or on a garage wall, not on the roof. Your post-tornado roof doesn’t get touched during a typical battery installation. What matters is your existing inverter. If your system went in during the 2016 to 2018 rebuild window, we may need to update firmware or swap a communication component. The roof itself is usually fine, and in fact, the post-tornado roof cohort in Rowlett often has cleaner decking than comparable DFW suburbs, which makes any future panel work easier.
Oncor doesn’t buy your excess solar at retail rates. The credit structure changed years ago, and most Rowlett homeowners with existing solar only see true-up credits that are worth much less than the energy they’d otherwise pull from the grid. That’s why we program Powerwalls in Rowlett for self-consumption mode: store your solar during the day, use it at night. Don’t export it for pennies. In the 75089 ZIP just off Chiesa Road, we retrofitted a 9.6 kW array with two Tesla Powerwall 3 units after the homeowner saw a $700 annual credit they couldn’t use under Oncor’s rules. That credit now offsets real overnight usage instead of evaporating.
Yes, with enough battery capacity and the right load management. A two-battery system will run lights, refrigeration, medical equipment, and a router for multiple days if you’re not trying to run the AC at full tilt. A three-battery system with a smart load panel will run most of the house, including intermittent HVAC use. The key is programming: we enable storm watch on every Rowlett install, so the batteries automatically top off from the grid before any severe thunderstorm warning. That feature alone extends your outage coverage by hours when the next big one hits.
Rowlett’s AHJ enforces the current NEC rapid shutdown requirements for the entire system, not just the new battery portion. If your existing array doesn’t meet rapid shutdown compliance, the interconnection amendment stalls. That’s why we walk every retrofit through a pre-inspection checklist before we file the permit. We check inverter firmware, rapid shutdown modules, and panel labeling. It saves you a failed inspection and a second permit visit. Call (877) 550-6892 for a free second opinion on any written estimate you’ve already received.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Rowlett and the surrounding DFW communities since 2011.






Before
After
Before
After
Before
After