Solar Panel Facing Direction In India

Solar panels should always face true south if you are in the northern hemisphere or true north if you are in the southern hemisphere.

Solar panel facing direction in india. True north is not the same as magnetic north. Is it all about having your panels face north or are there other options for houses with east and west racing roofs. Find out in this video. The direction solar panels should face is true south a k a.

In places like these it turns out that west facing panels are more economical when compared to south or north facing panels. This depends on both the direction of your roof and the pitch of the roof. This is because the sun is always in the southern half of the sky in the northern hemisphere. Usually this is the best direction because solar panels will receive direct light throughout the day.

How much will your roof direction affect the output of your solar panels. True south can also be calculated at noon when shadows from vertical objects run north south. The conventional wisdom in the northern hemisphere is that the best direction to face solar panels is south since that is generally where they d receive the most sunlight. The figure on the left shows a solar power plant where the modules are facing towards south generally what we see in india.

This is mainly because west facing panels generate 49 more. However the electricity system is not as simple as it sometimes seems and the best direction to face solar panels may actually be west. Such configurations while not prevalant in india may have to be considered if there are installation constraints. Solar panels installed on a roof facing southwest or southeast will generally produce about 8 less power than the same panels in the same climate on a south facing roof.

If you are using a compass to orient your panels you need to correct for the difference which varies from place to place. While the angle of your solar panels is important a more important factor in your energy production is going to be the direction your panels face. The figure on the right shows the solar power plant installation where the modules are facing east west. To correct the compass reading your solar installer will calculate the magnetic declination of your site.

Solar south or geographic south. If your roof does not face the right direction then surface mounted panels or pole mounted panels may be your best bet. It is at this location that your panels will receive the maximum sunlight throughout the day.