Off-grid planning,
without the guesswork.

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

Most Used Tool

Solar System Calculator

Size your off-grid solar system by appliance load.

Daily usage (kWh)

Location

Recommended System

1,100 W

Solar panels

440 Ah

Battery capacity (24V)

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

Power

Regional and country-specific guides to off-grid power, solar incentives, and energy independence.

→ 1 guide

Reference documentation for off-grid builders.

Weekly Digest

Weekly planning digest for Spain off-grid builders — calculators, new guides, and regional resources, every week.

By subscribing, you agree to receive email updates from Off Grid Collective. You can unsubscribe at any time.