Question: How many 50W panels will the owner require assuming battery storage is 75% efficient and all loads are DC (no inverter)? The daytime load is

  •  How many 50W panels will the owner require assuming battery storage is 75% efficient and all loads are DC (no inverter)? The daytime load is 2400 Wh and the night time load is 1300 Wh. Ignore the charge controller efficiency.
  • (a) For a stationary system "seeing" 5 hrs of peak sunlight/day?
  • (b) For a tracking system "seeing" 8 hrs of peak sunlight/day?

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