Home Battery Cost in Cary, North Carolina
Local pricing, rebates, backup hours, and outage data for Cary homeowners.
Home Batteries in Cary: What to Know
Cary averages about 8 hours of grid outages a year, which is the main reason homeowners here install storage. A standard 13.5 kWh battery runs your essentials (fridge, lights, internet) for roughly 15 hours and installs for around $13,500.
On bills, a battery in Cary saves about $235 a year by storing cheap power and using it at peak times (a $0.06/kWh local peak-to-off-peak gap), or roughly -$9,120 over 15 years. Note: the 30% federal battery tax credit expired at the end of 2025, so North Carolina state and utility programs are now the main incentives. The local utility is Duke Energy Progress. Most homeowners buy storage for resilience first — the bill savings are a bonus.
Cost & Backup Breakdown
Standard 13.5 kWh battery in Cary
15-Year Bill Savings Projection
Time-of-use arbitrage only — the backup/resilience value is on top of this.
Available Rebates
Common Questions
How much does a home battery cost in Cary?
A standard 13.5 kWh home battery in Cary, North Carolina costs about $13,500 installed. The federal 25D battery credit expired December 31, 2025.
How much backup power does a battery give in Cary?
A 13.5 kWh battery runs a Cary home's essentials for about 15 hours. Cary averages roughly 8 hours of grid outages a year, so a single battery covers most events.
Will a battery save money in Cary?
On time-of-use bills, a 13.5 kWh battery saves about $235 per year in Cary — around -$9,120 over 15 years. Most Cary homeowners buy a battery primarily for backup power; the bill savings are a bonus.
Planning other home-energy upgrades?
Solar, batteries, heat pumps and EV chargers all work together. Run the numbers on the rest of your electrification plan: