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It is estimated that a 15 kW solar system produces a great variation depending on several factors such as location and prevailing weather conditions, or the efficiency of panels. For this reason, here are general estimates based on location and other factors: 1)Daily Energy Production. Average Production: A 15 kW solar system generally produces in the range of 60 to 75 kWh per day. Consider assuming up to 4 to 6 hours of peak sun each day. 2)Annual Energy Production. Annual Estimate: This would be around 21,900 to 27,375 kWh per year. That would be from 60 kWh/day x 365 days up to 75 kWh/day x 365 days. 3)Factors that Affect the Production.
  1. Location: Places with longer sunny time will have more energy production.
  2. Panels Orientation and Tilt: This should be properly installed towards the sun to maximize sunlight exposure.
  3. Weather Conditions : Too much cloudy or rainy days bring down the overall production.
  4. System Efficiency: The quality of the solar panels and inverter again plays an important role.

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