Ralls Residence

The Ralls residence in Kalispell now features an expanded solar system with EG4 battery backup, increasing clean energy production and providing power during outages.
Residential
Energy Storage
Client Name:
Ralls Residence
Location:
Kalispell, MT
Date Installed:
December 8, 2025
Warranty:
Production:
Inverter:
Enphase IQ8AC
Mount:
IronRidge Aire
Panels:
SILFAB 440 QD
Power:

Client Profile

The Ralls family originally partnered with OnSite Energy to install a residential solar system in Kalispell. To increase their energy production and add resilience, they recently expanded the system with additional panels and an EG4 battery backup, ensuring energy independence and enhanced long-term savings.

Case Study

OnSite Energy upgraded the Ralls residence solar system with extra panels and an EG4 battery backup, providing both increased clean energy generation and reliable backup power during grid outages. The expansion allows the family to maximize energy self-sufficiency, reduce utility costs, and further invest in sustainable, resilient living. This installation highlights how homeowners can scale their solar systems over time to meet evolving energy needs while incorporating energy storage for peace of mind.