Circuit Fortress Configurator

Size your system, see your autonomy. Every slider recalculates in real time.

⚡ Design Your System
Solar Array 14 kW
Existing panels or new install. 0 = no solar.
Battery Bank 2 × 14.3 kWh = 28.6 kWh
EG4 WallMount PowerPro units. Each = 14.3 kWh.
Average Home Load 2.7 kW
Average power draw during outage. Critical loads only = lower.
Generator Start SOC 10%
When generator kicks in. 0% = run battery to empty. 25% = conservative.
Fuel Available 20 gallons
Total gasoline. Tank + jerry cans. 0 = battery + solar only.
Inverter Sol-Ark 12K
Larger inverter = higher charge rate, more solar input capacity.
🏗️
Grid
Eversource
🏠
Home
2.7 kW
☀️
Solar
14 kW
Sol-Ark
12K
🔋
Battery
28.6 kWh
🔌
Generator
Standby
☀️ Normal Operation
Battery SOC95%
8.2 kW
Solar producing
2.7 kW
Home using
+3.5 kW
Battery
+2.0 kW
Grid
🛡️ Your Autonomy Profile
9h
Battery only
(no solar, no gen)
36h+
Battery + solar
(no generator)
5+ days
Full system
(with 20 gal fuel)
Outage timeline — worst case (winter, minimal solar)
⛽ Fuel Autonomy Breakdown
Auto-cycles through all modes (4s each)

Ready to Size Your System?

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