Whole-Home Backup
Build your whole-home backup system
EG4 FlexBOSS inverters and a GridBOSS tie your grid, generator, and backed-up loads together. The engine checks every connection live.
Powered by the Ape Solar compatibility engine$150≈ 12 kW array
Your build, live
Pick a solar panel to begin.Single-line diagram
Pick a panel, inverter, and battery to see the wiring diagram update live.
Your system
Panel
Not yet picked
FlexBOSS
Not yet picked
Battery
Not yet picked
Rapid shutdown
Not yet picked
GridBOSS
GridBOSS MID v3.1 200A
Your array
—
panels
—
series strings
1
inverters (parallel)
—
array size
Compatibility checks
- ✕Rooftop arrays need a rapid-shutdown device (NEC 690.12).
- ✕This system runs on a battery bank. Pick a battery, or tick "I am supplying my own battery" to leave it out.
Your kit
- GridBOSS MID v3.1 200Agrid interconnection and load management1 each$1,800
Estimated kit total$1,800
Sample pricing from the live catalog. Wire and small parts estimated from the panel count; a tech confirms the full list before it ships.
Build type: whole-home · engine v0.6 · catalog rows: 67