Home Battery Installation in Houston, TX

CenterPoint Energy customers averaged 72 hours without power in 2024 — 6.5× the US average, the worst of the 58 metros we track. After the 2021 grid failure and repeated summer strain on the Texas grid, backup power has become standard around Houston — outages here come from both winter freezes and heat waves. Below are battery installers serving Houston and the rest of Harris County, ranked by reputation.

⚡ CenterPoint Energy 📍 Harris County 4 installers listed ⏱ 72 h without power in 2024

How often the power actually goes out in Houston

2024 · EIA data

72 hours

average time a CenterPoint Energy customer spent without power

6.5×

the US average of 11 hours — worse than typical

3.7

power interruptions per customer that year

Excluding major event days — hurricanes, ice storms and the like — the figure drops to 2.5 hours. The gap between the two is the part a standby generator or home battery is really for.

Source: US Energy Information Administration, Form 861 reliability filing for CenterPoint Energy (IEEE 1366 methodology). SAIDI measures the average minutes a customer was without power across the year. National reliability in 2024 was heavily affected by Hurricanes Beryl, Helene and Milton.

Q

1.Quality Home Products of Texas

Elite

Electric generator shop

555 E Airtex Dr, Houston, TX 77073 Website ↗

93

GridFree Score

★★★★ 4.8 · 5013

G

2.Generator Supercenter

Elite

Electric generator shop

23123 TX-249, Tomball, TX 77375 Website ↗

92

GridFree Score

★★★★ 4.7 · 6140

H

3.Houston Home Battery Backup - VPP Texas

Top rated

Energy advisory service

11740 Katy Fwy Ste 1700, Houston, TX 77079 Website ↗

85

GridFree Score

★★★★ 4.7 · 87

T

4.Tesla Solar and Home Energy - Houston

Solar energy company

Tesla Powerwall

7256 S Sam Houston Pkwy W, Houston, TX 77085 Website ↗

73

GridFree Score

★★★★ 4.2 · 9

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Frequently asked questions

How much does a home battery cost in Houston?

A 13.5 kWh home battery like the Tesla Powerwall 3 typically runs $12,000–$17,000 installed before the 30% federal tax credit, which brings the net cost to roughly $8,400–$11,900. Larger multi-battery systems scale from there.

Do I need a permit for a battery in Houston, TX?

Almost everywhere, yes. A home battery needs an electrical permit and must meet fire-code setbacks, and most states require the work be done by a licensed contractor. A reputable Houston installer pulls the permit for you — treat anyone who offers to skip it as a red flag, since unpermitted work surfaces at resale and can void insurance claims.

Who installs home batteries in Houston?

Licensed electrical and solar contractors handle home battery installs. Tesla, Enphase and FranklinWH each maintain certified-installer networks that include Houston-area contractors.

Why are outages common around Houston?

CenterPoint Energy customers averaged 72 hours without power in 2024 — 6.5× the US average, the worst of the 58 metros we track. After the 2021 grid failure and repeated summer strain on the Texas grid, backup power has become standard around Houston — outages here come from both winter freezes and heat waves.

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