Solar Power Planning Tools
These tools use the same baseline planning math as SunPowerLogic setup examples and buying guides. Product recommendations are generated from published catalog specifications — nothing is hard-coded.
Solar System Builder
Recommend a complete solar setup — battery, array, inverter, controller, or portable power station — from catalog specifications.
Open calculator →Battery Runtime Calculator
Estimate how long a battery runs at continuous load, or calculate required capacity for a target runtime.
Open calculator →Solar Array Size Calculator
Convert daily energy use, peak sun hours, and efficiency into an estimated array wattage.
Open calculator →Inverter Size Calculator
Size continuous AC inverter output from peak load and a planning headroom factor.
Open calculator →Charge Controller Size Calculator
Estimate controller current from array wattage, system voltage, and a safety multiplier.
Open calculator →