True North Vs Magnetic North Solar Panels

True north points to the north pole the axis of the earth s rotation.

True north vs magnetic north solar panels. Reveal the true solar south now that we have marked that special line we concluded in the third step the direction of the solar south has been revealed. 14 33 e and you need to find the true solar south direction for placing your panels and at this point your compass reading is about 180 degree your true solar south would be 194 degrees place your solar in that direction. The direction in which the compass needle points is referred to as magnetic north and the angle between magnetic north and the true north direction is called magnetic declination. I was a little confused as i always thought the panel needed to be facing south.

Find out the shortest shadow line draw a line to connect those marks to the point where the stick touches the ground by now the shortest line is evident. It is only determined by pointing the needle of a compass. The same ideas work for finding true north but simply have to be reversed. Unfortunately simply using having a compass needle aligned north south isn t good enough.

Which north are we talking about true north or magnetic north when we say our solar panels should face north or north west as the case may be. Other terms used are. Which means according to our compasses the true north pole has the magnetic south pole and the true south pole has the magnetic north pole this is because when we stand facing north with a. Lets say we were looking for 150 degrees.

Just to make it more complicated the difference can change depending on where you live and the date. Variation magnetic variation or compass. This number from the magnetic north reading to get true north because the needle is pointing to the right of what they are calling mn or magnetic north. True south or true north are where the sun will be at its highest during the day.

You can use pv watts to see the small impact it has on solar access each month. Now if i m not wrong in case of earth which is a big magnet itself the same will apply along with a compass or a bar magnet hung with string. I have to site my new house so i want to get it right. The difference can be more than 10 degrees which can affect your view and the solar performance of your house and solar panels.

True north s location can be determined by the north star while magnetic north cannot be determined in this manner. The magnetic declination in australia is insignificant whether you face true north or magnetic north. You could then adjust your solar panels to align with this direction. True south versus magnetic south.

If you current magnetic declination is for e g. In fact over most of the earth it points at some angle east or west of true geographic north. To keep things simple below we ll focus on finding true south.