Calculators
Run the numbers
Values persist while the app is open. Nothing is uploaded anywhere.
Storage
Battery Bank Sizing
Days of autonomy → usable kWh and Ah
PV Source
String Sizing (Voc Temp Correction)
Max & min modules per string for record low / hot day
Array
PV Array Sizing
Target production → kW DC, module count, DC/AC ratio
Conversion
Inverter Sizing
Continuous load + motor surge → inverter rating
Conductors
Voltage Drop & Wire Size
Smallest conductor that holds your drop target
Protection
Conductor & OCPD Sizing
PV source, battery, and inverter output circuits
Storage
Backup Runtime
How long the bank actually carries the load
Homeowner
Solar Payback Calculator
System cost + electric bill → payoff in years and months