Off-grid planning,
without the guesswork.

Calculators, guides, and region-specific resources for people building self-sufficient lives.

Most Used Tool
Solar Energy System FlowSolar PanelsCharge ControllerBattery BankHouse Load

Solar System Calculator

Size your off-grid solar system by appliance load.

Recommended System

1,250 W

Solar panels

440 Ah

Battery capacity (24V)

Calculate full system

What are you planning?

Each topic has guides, calculators, and region-specific resources.

Weekly Digest

Stay sharp, build better.

Weekly planning digest for United States off-grid builders β€” calculators, new guides, and regional resources, every week.

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