Solar PV and Battery Calculator

Multi-array roof layouts, NASA POWER irradiance, hourly production, time-of-use economics, EV charging and battery dispatch.

☀ Solar PV
Overview tab: annual stats and monthly energy bar chart
Overview - annual stats and monthly bars
Charts tab: hourly production profile, sun path diagram, production heatmap
Charts - hourly profile, sun path, heatmap
Economics tab: bill comparison, energy flows, battery SOC simulation
Economics - bill comparison, battery dispatch