build
Installer Tools
Free calculators and compliance resources
calculate
STC Calculator
Calculate Small-scale Technology Certificate entitlements by system size, postcode zone, and installation date. Includes clearing house and market pricing.
FreeOpen toolarrow_forward
payments
Job Margin Calculator
Analyse job profitability with detailed cost breakdowns. Includes overhead estimation, margin health indicators, and industry benchmarks.
FreeOpen toolarrow_forward
checklist
Compliance Checklists
PopularState-specific installation compliance checklists for grid-connect PV, battery, and standalone power systems. Download as PDF.
Email RequiredOpen toolarrow_forward
map
Regional Demand Heatmap
Visualise solar installation demand across Australia. State-level view is free; postcode-level detail requires an account.
Email RequiredOpen toolarrow_forward
Access Tiers
Free
Basic access to all tools
- checkSTC calculations
- checkMargin analysis
- checkState-level heatmap
- checkBasic compliance checklists
RecommendedEmail
Full access with email registration
- checkEverything in Free
- checkPDF checklist downloads
- checkPostcode-level heatmap
- checkMarket insights reports
Account
Full platform access
- checkEverything in Email
- checkSave calculations
- checkHistorical comparisons
- checkPriority support
solar_power
Join the Why Solar installer network
Free to join. Pay only when you win work.