Solar Array Sizer
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Use Solar Sizer like an app

Install it once for offline access, faster loading, and one-tap access from your home screen.

  • Save your panel & generator configs to the cloud
  • Works offline — calculate anywhere, even off-grid
  • Faster load times with no browser address bar
  • Sign in once and stay signed in

Not signed in? You can still use the calculator — up to 5 saved configs locally.