Is $49,700 to install a 9 kW solar system with 28.6 kWh battery a fair price?
Project Details
I'm coming up with approximately $21k in panel/inverter/batteries, leaving $29k for installation/permits. The battery specified is the EG4 Indoor, but they plan to use the EG4 outside wallmount ($3,500*2). Permitting/installation seems 10-20% high. I get that they need to make money, but how does this compare to what others have seen?
Quote Details
This quote is for the installation of a 9 kW DC solar system with a 28.6 kWh battery storage solution. - System Size: 9 kW DC - CEC-AC Rating: 8.325 kW AC - Estimated First Year Production: 12,256 kWh - Consumption Offset: 99% - Panels: 20x REC Solar - REC450AA Pure-RX (450 Watts) - Inverters: 1x EG4 - FLEXBOSS2(240V) - Battery System: 1x EG4 - 28.6 kWh: 2 WallMount Indoor 280Ah - Battery Capacity: 28.6 kWh - Battery Operating Power: 20.48 kW - Battery Mode: Self Consumption - Rapid Shutdowns: 20x Tigo - TS4-A-F [725 W] - Balance of system included
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More Details
Category
Solar
Price
$49,700
Quote Date
February 2, 2026
Location
Michigan
Battery Storage?
No
# of Panels
20
System Size (kW)
9
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