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The power P in watts (W) is equal to the 0. 09290304 times the illuminance Ev in lux (lx) times the surface area A in square feet (ft 2), divided by the luminous efficacy η in lumens per watt (lm/W): P(W) = 0. 09290304 × Ev (lx) × A(ft 2) / η(lm/W).
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That means, under ideal conditions, your solar system will deliver around 1104 watts of usable AC power to your appliances. This kind of calculation helps determine whether your solar system can handle certain loads — like running a mini-fridge, lights, and a laptop at the same time.
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So, 3 kilowatt-hours of energy over 6. If you don't multiply the top half of the fraction by 1,000, then the formula will convert the energy to kilowatts.
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