Home Batteries in Gillette: What to Know
Gillette averages about 5 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 $14,000.
On bills, a battery in Gillette saves about $196 a year by storing cheap power and using it at peak times (a $0.05/kWh local peak-to-off-peak gap), or roughly -$10,363 over 15 years. Note: the 30% federal battery tax credit expired at the end of 2025, so Wyoming state and utility programs are now the main incentives. The local utility is Black Hills Energy WY. Most homeowners buy storage for resilience first — the bill savings are a bonus.
Cost & Backup Breakdown
Standard 13.5 kWh battery in Gillette
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 Gillette?
A standard 13.5 kWh home battery in Gillette, Wyoming costs about $14,000 installed. The federal 25D battery credit expired December 31, 2025.
How much backup power does a battery give in Gillette?
A 13.5 kWh battery runs a Gillette home's essentials for about 15 hours. Gillette averages roughly 5 hours of grid outages a year, so a single battery covers most events.
Will a battery save money in Gillette?
On time-of-use bills, a 13.5 kWh battery saves about $196 per year in Gillette — around -$10,363 over 15 years. Most Gillette homeowners buy a battery primarily for backup power; the bill savings are a bonus.
Compare Battery Costs Near Gillette
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: