Fort Pierre Solar Power Information & Peak Sun Hours

Solar Green Energy Summary for Fort Pierre, South Dakota

Lattitude: 44.3679

Sunlight

Fixed Tilt Sunlight Hours: 5 hours per day

1-Axis Tilt Sunlight Hours: 6.5 hours per day

2-Axis Tilt Sunlight Hours: 6.8 hours per day

The average peak sun hours of Fort Pierre is a crucial measurable component needed to efficiently implement a solar power system in a home or business. Put simply, peak sun hours are the hours of sunlight a day that are strong enough to be efficiently absorbed by solar panels and eventually turned into usable electricity. Not every minute of sunlight during a day is strong enough to be useful to a solar power system. Think about just minutes after the sunrises, which officially counts towards total hours of sunlight, but is usually too weak to be counted in peak sun hours because the strength of the solar insolation is not strong enough near the horizon to be absorbed and turned into electricity at an efficient rate. Times during the day like this, where the sun is out but not strong enough, are not counted as peak sun hours. In other words, the amount of peak sun hours in a location will theoretically always be less than total sunlight hours for a given day.

Knowing the latitude of Fort Pierre will help estimate average peak sun hours for your area. The latitude is used to accurately estimate the time of sunrise and sunset, thus giving you the total hours of daylight each day. Once you know the total hours of daylight, you can estimate the amount of peak sun hours based on a number of variables such as weather, time of year, the angle of the solar panel.

The sun moves through the sky during the day, and changes positions in the sky throughout the year as the seasons change. A fixed solar panel remains fixed in position during this movement. So, although it is effective in capturing sunlight, a 1-axis or 2-axis panel can be more efficient. A 1-axis panel tracks the sun's movement throughout the day from sunrise to sunset. In addition to that, the 2-axis panel also accounts for the movement throughout the year.

Climate in your geographical region is a major factor that will influence average peak sun hours per year. If you live in a region that does not have a lot of completely sunny days, then cloud coverage will greatly influence solar insolation on any given day. Mountains and trees may also contribute to lower solar insolation if they block the sun from your panels at any given point of the day.

Since we know the latitude of Fort Pierre 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 peak sun hours per day. 6.5 hours per day with a 1-axis tracking mount that tracks the sun from sunrise to sunset, and 6.8 hours with a 2-axis tracking mount that tracks the sun everywhere in the sky.


Helpful & Interesting

The majority of electricity produced in South Dakota comes from hydroelectric power on the Missouri River with three of its five largest electric plants being hydroelectric. South Dakota imports coal from Wyoming to satisfy its coal demand.


Solar Businesses in Fort Pierre, South Dakota




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