Home batteries, explained.
Straight answers on whether a home battery makes sense for your home — from someone who actually runs one, here in Charleston on Dominion Energy.
Is a battery worth it?
The bill-specific answer — outages, rate switches, and when it actually pays off.
Outages & hurricanes
What a battery keeps running when the grid drops — and how to prioritize the loads that matter.
Battery vs. generator
The straight comparison: quiet & automatic vs. cheap & unlimited runtime.
How you actually save
Why a battery alone won't cut your bill — and what does.
What size do I need?
Size it to the loads you want to keep running, and for how long.
The 2026 tax-credit truth
Most sites still push a dead 30% credit. Here’s what actually applies in 2026.
See what a battery would do for your home
Run your bill and see what a battery does for your home — backup time, rate-switch savings, and a system sized to your usage.
Analyze my bill →Free · about 2 minutes · just a recent power bill