System Sizing Console
Off-Grid Calculators
Twelve tools that talk to each other. Audit your loads, size the array, bank the batteries, catch the rain — every answer flows into the next tool. Free, no sign-up, built for Australian conditions.
12
Interlinked tools
767
Guides in the library
647
Products price-checked
0
Sign-ups. Ever.
Master Off-Grid Calculator
Complete system sizing — solar, battery, water, waste in one tool
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Solar Panel Sizing
Calculate panel wattage and count for your location and usage
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Battery Bank Sizing
Size your battery bank for days of autonomy and depth of discharge
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Inverter Sizing
Match inverter capacity to your peak and surge load requirements
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Appliance Load Analysis
Catalogue your appliances and calculate daily energy consumption
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Solar ROI Calculator
Payback period and 25-year savings projection for your system
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Rainwater Harvesting
Roof catchment, storage sizing, and days of water autonomy
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Food Production
Plan growing area, calories, and food self-sufficiency targets
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Backup Generator
Size a backup generator for your critical loads and runtime needs
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Waste Management
Plan composting, recycling, and waste reduction for off-grid living
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Greywater Recycling
Design a greywater system for garden irrigation and water reuse
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Alternative Energy
Compare wind, micro-hydro, and biomass options for your site
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