Solar & EV

System size, batteries, and EV charging — DIY and off-grid sizing from your real usage.

12 calculators

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Solar size from billSystem size from your electric billMOST USED →Battery bank sizingBattery capacity for your daily loadOPEN →EV home charging costCost to charge at home vs gasOPEN →

All Solar & EV calculators

Solar size from billSystem size from your electric bill Battery bank sizingBattery capacity for your daily load EV home charging costCost to charge at home vs gas Solar size from kWh Panel count Off-grid appliance load Panel tilt & azimuth Charge controller sizing Inverter sizing Solar payback EV charging time EV vs gas cost