Solar Backup Battery In Garage

Solar System Battery Installation Katy, TX

Houston’s First Choice for Dependable Roofing & Solar Solutions

What Are Roofing Customers Say About Us

The grid went down again. Your panels are right there on the roof, soaking up Texas sun, and yet your house is dark. That is the part nobody warns you about. A standard grid-tied solar setup shuts itself off the second the power fails, so your panels can’t keep you running during an outage. We fix that by adding battery storage that holds your solar energy and keeps your essentials on when ERCOT can’t.

Katy homeowners deal with summer heat waves, hurricane season, and a grid that keeps getting squeezed. We install battery backup the same way we handle every roof in this area, with honest advice and work we stand behind.

When You Need a Solar Battery Backup

If you already have solar panels but still lose power every time a storm rolls through, that is the clearest sign. Grid-tied systems are built to disconnect during outages for safety, which means sunshine alone won’t keep your fridge cold or your AC running.

You also need storage if your home depends on power that can’t just stop. Think well pumps, medical equipment, a home office, or keeping food from spoiling during a multi-day blackout like the one Winter Storm Uri caused. Rising time-of-use rates push some folks toward batteries too. Storing your own daytime solar and pulling from it during expensive peak hours can soften the bite of a Texas electric bill. A solar energy system service in Katy TX can help you determine whether battery storage makes sense based on your energy use, outage concerns, and long-term goals.

Our Solar Battery Installation Process

A solar battery install starts with a site visit. We look at your electrical panel, your existing solar setup if you have one, and the loads you most want to keep running, then size the battery to match.

From there comes the design and the paperwork. That typically includes the electrical plan, the local permits, and the utility interconnection request, so you aren’t stuck chasing approvals on your own.

On install day the battery gets mounted, wired into your panel, and connected to a hybrid or AC-coupled inverter depending on your system. Most installs wrap up in a single day, and a good crew tests everything, sets up your monitoring app, and walks you through how it works before leaving.

Solar System Battery Installation Cost in Katy TX

Pricing varies a lot, so treat these as general Katy-area market numbers rather than a quote. A fully installed home battery system commonly lands between $13,000 and $22,000, and that range moves with capacity, brand, and how much electrical work your home needs.

Size is the biggest driver. A single battery covering essential circuits still runs many thousands of dollars installed, while whole-home backup with multiple batteries and 30 to 40 kWh of storage can climb past $22,000. Older homes that need a panel upgrade or new wiring push the total higher still.

One thing worth knowing for 2026: the 30 percent federal residential tax credit expired at the end of 2025, so cash and loan buyers can no longer claim it, and Texas has no statewide battery rebate. We’ll give you a clear, upfront quote so the number you see is the number you plan around.

Why Choose Us

Roofing Technologies Unlimited is a family-owned company started by brothers Joshua and Michael Keith, and we have served Katy and the greater Houston area since 2022. Our solar work covers system service, panel installation, repair, maintenance, inverter work, and battery installation.

Our reputation is built on showing up. We carry a 5.0-star rating across 97 Google reviews, a BBB profile, and a spot on The Good Contractors List, and our license numbers are TMEL #51954 and TECL #31888.

We don’t do bait-and-switch pricing or high-pressure sales, and we don’t vanish after the check clears. We solve the problem in front of you and explain the work in plain language, the same way we’d want it explained to us.

Power Your Katy TX Home Through the Next Outage

Backup power comes down to one thing: keeping your home running when the grid won’t. A battery stores the solar energy your panels already make so your lights, fridge, and essential circuits stay on through a storm or a heat wave. The system gets sized to your home, the permits and utility approval get handled, and most installs finish in a day. You get honest pricing and a crew that stands behind the job.

Don’t get caught in the dark during the next Katy outage.

Call (832) 866-9595 today and we’ll size a solar battery backup that keeps your home running.

Frequently Asked Questions (FAQs)

1. Do solar batteries work in Texas heat?

Yes, but placement matters. Batteries do best in a temperature-controlled spot like a garage or shaded utility area, which helps protect them from Katy’s 100-degree summers.

2. How many batteries do I need to run my AC during a Texas summer outage?

Air conditioning draws a lot of power, so backing it up usually takes two or more batteries totaling around 30 to 40 kWh. The right system gets sized around the exact loads you want covered during an outage.