Home Batteries in Tempe: What to Know
Tempe averages about 4 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 Tempe saves about $491 a year by storing cheap power and using it at peak times (a $0.12/kWh local peak-to-off-peak gap), or roughly -$4,369 over 15 years. Note: the 30% federal battery tax credit expired at the end of 2025, so Arizona state and utility programs are now the main incentives. The local utility is Arizona Public Service. Most homeowners buy storage for resilience first — the bill savings are a bonus.
Cost & Backup Breakdown
Standard 13.5 kWh battery in Tempe
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 Tempe?
A standard 13.5 kWh home battery in Tempe, Arizona costs about $13,500 installed. The federal 25D battery credit expired December 31, 2025.
How much backup power does a battery give in Tempe?
A 13.5 kWh battery runs a Tempe home's essentials for about 15 hours. Tempe averages roughly 4 hours of grid outages a year, so a single battery covers most events.
Will a battery save money in Tempe?
On time-of-use bills, a 13.5 kWh battery saves about $491 per year in Tempe — around -$4,369 over 15 years. Most Tempe homeowners buy a battery primarily for backup power; the bill savings are a bonus.
Compare Battery Costs Near Tempe
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: