Solar Panel Sun Hours Per Day

Once you know the peak sun hours estimating the number of solar panels needed for 1 000 kwh is simple.

Solar panel sun hours per day.

5 hours x 290 watts an example wattage of a premium solar panel 1 450 watts hours or roughly 1 5 kilowatt hours kwh. Putting it all together. A peak sun hour is the equivalent of the sun shining at an intensity for 1 000 kw per square meter for one hour expressed as 1 kwh m. Peak sun hours differ from hours of daylight.

In 2017 the average electricity consumption of a house in the us was 867kwh per month which is about 28kwh per day. For the sake of example if you are getting 5 hours of direct sunlight per day in a sunny state like california you can calculate your solar panel output this way. These terms all refer to the solar strength measured in average kwh per day per square meter in a given location. Just as in the chart above peak sun hours are.

To tackle this question let s break down some numbers. By comparison states with fewer peak sunlight hours can be just as ideal for solar panels but will require more efficient solar equipment. Solar energy increases near the equator as it is closer to the sun. If you know the average daily peak sun hours for your location you can calculate the kwh your solar panels will make on a daily monthly and yearly basis.

The peak sun hour actually describes the intensity of sunlight in a specific area defined as an hour of sunlight that reaches an average of 1 000 watts of power per square meter around 10 5 feet. Europe solar sun hours map. Central america south america the caribbean solar insolation map. While your panels may receive an average 7 hours of daylight per day the average peak sun hours may actually be closer to 3 or 4.

But solar panels do not work at 100 efficiency. In a state with strong peak sunlight a panel with lower efficiency will likely do the trick. Average solar hours per day. A fixed tilt solar panel does not change angles to adjust with the sun so looking at the average peak sun hours using a fixed tilt panel can set a good baseline for calculations.

How much energy does a solar panel produce. We know that during peak sun hours a solar panel should theoretically produce 1 000 w m 2. Africa the middle east solar insolation map. Sun hours increase during the summer due to the sun s higher position in the sky.

Thus the output for each solar panel in your array would. The first step is calculating the kilowatts needed. Whether this happens for several hours straight or intermittently throughout the day my installation s total maximum voltage hours are those peak sunlight hours added together. Assuming a 30 day month an electricity generation of 1 000 kwh is equivalent to 33 33 kwh per day.

Weather is also a factor. On average the state of idaho receives 4 92 daily peak sun hours. For the prospective homeowner considering solar the next step is to review our.