Updated may 18 2020 solar panels should face south for any home in america to obtain maximum power generation.
Which way should solar panels face in california.
However there is a difference between magnetic south and true south that must be considered.
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.
A new study of 110 000 california houses with rooftop solar systems confirmed that a vast majority of the panels were pointed south because most of the panel owners were paid by the number of.
That ratio improves to 82 for homes in los angeles california.
For the last few decades conventional wisdom among solar experts has held that south is the best direction to face solar panels for installations in the northern hemisphere.
This means that your solar panels will be put in a unique direction specifically to maximize energy production between this time range.
To correct the compass reading your solar installer will calculate the magnetic declination of your site.
To understand this rationale consider the alternatives.
Consequently the direction that a solar panel faces determines how much energy it can produce.
Solar south or geographic south.
The direction solar panels should face is true south a k a.
However the electricity system is not as simple as it sometimes seems and the best direction to face solar panels may actually be west.
If your roof does not face the right direction then surface mounted panels or pole mounted panels may be your best bet.
In the northern hemisphere the general rule for solar panel placement is solar panels should face true south and in the southern true north.
True south can also be calculated at noon when shadows from vertical objects run north south.
Therefore directions like southwest or southeast are fine.
It is at this location that your panels will receive the maximum sunlight throughout the day.
Face panels west for tou ratepayers for solar panel owners that are under a tou payment system the best way to save money on your electric bill is to produce more energy during peak hours than during off hours.
According to the concord consortium makers of energy3d solar energy modeling software a home in boston ma with panels that face west would get 80 of the electricity that a house with south facing panels would.
Photovoltaics produce power when the angle at which the sun s rays hit the panel surface the angle of incidence is small or when light strikes the panel as close to perpendicular as possible.
The most optimum direction to face your solar panels is somewhere between south and west.
Find out in about 60 seconds.
