Off-Grid Solar & Battery Bank Calculator

Estimate household electrical loads, solar-array scenarios, battery capacity and autonomy from user-entered assumptions.

MAIN FEATURES

- Create and maintain Energy Profiles and Electrical Loads.

- Connect and monitor Daily Consumption and Solar Scenarios.

- Coordinate Battery Banks and Autonomy Estimates.

- Review and improve Equipment Notes and Solar Reviews.

- Solar and battery results are planning estimates and not electrical, engineering, installation or safety advice.

- Work with realistic English-market DEMO records and localized versions in all 17 interface languages.

- Move to an empty PROD environment when you are ready to enter your own records.

- Search, create, edit and delete records across every functional area.

- Choose visible fields separately for DEMO and PROD.

LOCAL ARCHITECTURE

- Runs from one autonomous HTML file in a modern browser, including offline use.

- Stores records locally and keeps DEMO, PROD, preferences and appearance isolated.

- Creates portable backups with selectable scope and optional password protection.

- Requires no hosted account, activation, licence code, installation or recurring subscription to operate.