The general rule of thumb for optimal solar panel performance is around 30 degrees, though the most productive angle is actually flatter than the angle of latitude due to cloudy conditions that diffuse sunlight.
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According to the above, the standard daily power generation of a 25KW solar power system can reach 30-35kWh under ideal conditions.
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Use this free interactive solar panel calculator to find out how many solar panels fit on your roof.
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When choosing one, I look at battery capacity, charging speed, weight, and the types of outlets or charging ports. How often I plan to use it and what I need to charge matter most—big battery is good for longer use, but it also adds size and weight.
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