Ben Lomond Solar Power Information & Peak Sun Hours

Solar Green Energy Summary for Ben Lomond, California

Lattitude: 37.0782

Sunlight

Fixed Tilt Sunlight Hours: 5.9 hours per day

1-Axis Tilt Sunlight Hours: 7 hours per day

2-Axis Tilt Sunlight Hours: 7.7 hours per day

If you put your solar powered math calculator in your backpack it will turn off from the lack of sunlight needed to power the device. As you slowly open your backpack and begin to let sunlight in, the calculator will eventually turn on when the amount of sunlight is enough to power the calculator. Similarly, peak sun hours refer to the hours of they day where the sunlight is strong enough to power a solar panel. This is different from total sunlight hours, which is simply the amount of hours in a day when there is any sunlight.

Sunlight hits the earth directly at the equator. This is why the equator has a latitude of zero degrees. The latitude of Ben Lomond is 37.1. Knowing the latitude of Ben Lomond can help you plan for your solar panel setup, as the larger the latitude the more variance you will see throughout the year for total daily sunlight hours.

You will notice the difference in peak sunlight hours depending on the panel type. The more flexibility the solar panel has the efficient it can be throughout the day and the year. A fixed solar panel remains in the same position at all times. A 1-axis panel follows the sun throughout the day as it moves through the sky and eventually sets. A 2-axis panel not only tracks the daily movement, but also adjusts based on the sun's changing position in the sky throughout the year as the seasons change.

Weather is a big determinate of average peak sun hours each day. There are many aspects of weather that can increase or lessen the peak sun hours in a day in a particular location. For example cloud coverage is a crucial variable. And more importantly, what type of cloud coverage; thin scattered clouds will have less diminishing power on the solar insolation than thick rainy storm clouds. Sometimes long periods of sunny days are rare in certain locations, this would increase average peak sun hours for that time-frame

Since we know the latitude of Ben Lomond we can take the average amount of total sunlight hours and estimate that with a fixed solar panel there would be an average of 5.9 peak sun hours per day. 7 hours per day with a 1-axis tracking mount that tracks the sun from sunrise to sunset, and 7.7 hours with a 2-axis tracking mount that tracks the sun everywhere in the sky.


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