Home battery insights · Charleston, SC
Lower bills. Backup power. Take control.
Thinking about a home battery? NRG Sense shows you whether it's worth it for your house — free, in minutes, using your actual bill.
Free · about 2 minutes · just a recent power bill
What you'll find out
What stays on
Exactly what a battery runs — fridge, lights, Wi-Fi, AC — and for how long.
What you’d save
Switch to a time-of-use plan so the battery covers the pricey peak hours. No solar needed.
What it costs
A clear price range and the right size — start with backup, add solar later.
New to home batteries?
Start here — clear, straight answers
From the blog
Read the blog →The FCC inverter ban: what it means for home batteries
July 28, 2026: the FCC added foreign-made inverters to its Covered List. The Aug 20 update carved out US-made (45X) inverters and protected firmware updates through 2029 — here's what's actually banned, and why a behind-the-meter home battery sidesteps the worst.
EcoFlow Smart Home Panel 3 install guide
A companion to EcoFlow's official manual — the homeowner side it skips: planning and scoping the job, permitting and inspection, the older-home upgrades that drive your quote, why to skip EcoFlow's turnkey installer, the questions to ask before you hire, and how to commission and hand off the system so you stay in control.
How I automate my EcoFlow with Home Assistant
A first-hand look at running two EcoFlow inverters — a DELTA Pro Ultra and an Ultra X, two battery packs each, plus a Smart Home Panel 3 — fully on Home Assistant over local Bluetooth, no cloud: automated Dominion Rate 7 time-of-use, ESP32 proxy setup, the BLE scan default that cost me a week, and workarounds for two firmware quirks.