power outage

Understanding Home Battery Backup Systems – Sizing & Cost

After frequent power outages at your home, you’re probably frustrated and ready to do something to keep your home operating regardless of grid conditions. New technology makes home battery backup a solid alternative to a whole home generator.

In this article we review what a battery backup system is, how to determine the size of battery you need, and the subscription model for home battery backup systems that makes it truly affordable.

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Generator vs. Home Battery Backup: A Decision Guide

A whole-home standby generator can run for days but costs around $18,000-$20,000. A portable generator is the cheapest way to keep essentials running, but it takes the most work and carries a risk of carbon monoxide poisoning if not managed properly. A home battery is silent, switches over instantly, and covers a typical one-day outage. Plus the newest version of home battery backup comes with a low upfront installation and a subscription fee.

The right pick depends on how long a typical outage lasts in your area, what you need to keep running, and what you can spend.

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How to Keep Warm in a Winter Power Outage

Everyone knows about Texas summers. Hot, hot and more hot. We hit records in 2023 and 2024, both in temperature levels and duration of the heat.

Fewer think about Texas’ winter extremes. But as a former PUCT staff member told us, “The Texas grid is much more fragile in response to winter weather than it is to summer weather. Be prepared.” Here’s how to keep warm in the winter if the power goes out.

Most power outages in Texas are resolved within 4 hours (although those long outages are the ones we remember). To keep your home operating, consider a home battery backup + energy option, with up to 36 hours of backup power. You’ll get a full home battery backup system installed for under $700, pay a monthly fee and commit to using a specific retail electricity provider. Your REP will charge your battery when prices are low and sell power back to the grid when demand is high.

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