Calculate how long battery storage can power your essential loads during outages. See costs with Illinois Smart Inverter rebates included.
Tesla Powerwall 3 - Most popular choice for Chicago homes
Select the appliances you want to keep running during a power outage:
Refrigerator
150W × 24h/day
3.6 kWh/day
Furnace Blower
600W × 8h/day
4.8 kWh/day
LED Lights (10)
100W × 6h/day
0.6 kWh/day
WiFi Router
20W × 24h/day
0.5 kWh/day
Phone Charging
25W × 4h/day
0.1 kWh/day
Sump Pump
800W × 2h/day
1.6 kWh/day
Microwave
1000W × 0.5h/day
0.5 kWh/day
TV
150W × 4h/day
0.6 kWh/day
Laptop
65W × 8h/day
0.5 kWh/day
Garage Door
500W × 0.1h/day
0.1 kWh/day