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solar irradiance

Solar Panels

Peak Sun Hours Explained (and How to Find Yours)

Peak sun hours are not daylight hours. Learn what they are, typical values for the US, UK, Canada, Germany and Australia, and how to look up the exact figure for your location.

October 2, 2026 · 6 min read

Appliance Wattage Guide

  • Refrigerator 150W (1.5 kWh/day)
  • 5,000 BTU Window AC 450W – 500W
  • Starlink Satellite 50W – 75W
  • Microwave Oven 1,000W – 1,500W
  • CPAP Machine 40W – 60W
  • 1/2 HP Water Well Pump 800W – 1,000W

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Calculations provided for preliminary planning purposes only. Always consult a licensed electrician.