Best Direction For Solar Panels On Roof

Latitude x 0 9 23 5 degrees.

Best direction for solar panels on roof.

Latitude x 0 9 29 degrees. I hope this solar panel roof load calculator guide will help you understand whether your roof can support solar panels. Use our solar panel lifespan guide to determine how long your solar panels will last. Therefore directions like southwest or southeast are fine.

The answers you end up with are the best angles for each particular season. Latitude 2 5 degrees. Many solar panel installers advise not to install on roofs more than 45º from south i e. Alternatively you could adjust the angle of inclination of the panels to a certain degree to offset the effect of direction.

Because the steep angle of your roof might already be higher than the optimal angle for production the best you can do is lie your panels flat against the roof. If your roof does not face the right direction then surface mounted panels or pole mounted panels may be your best bet. It is even possible to have solar panels facing in more than two directions. Conclusion on solar panel roof load calculator.

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. For example if your roof is facing 10 degrees west towards north. It is at this location that your panels will receive the maximum sunlight throughout the day. The most optimum direction to face your solar panels is somewhere between south and west.

Panels can be placed in multiple directions other than just an east west split. Face panels south for non tou ratepayers for those who are not part of a tou model with their utility company the direction that you want to face your solar panels is south. Many roofs are going to have slopes between 30 and 40 degrees which means that solar panels can lie flush against the roof and produce enough electricity for attractive returns. This being the case the general best practice to date has always been to position solar panels facing south in order to capture the maximum amount of sunlight overall.

However solar panels can be orientated on any roof that faces south of either east or west. If you are trying to install solar panels on a steep roof it may not be possible to place panels at the optimal tilt with traditional racking systems. Between south west and south east. This is so that you can expose your solar panels to as much light as possible to optimize their energy production.

These are some of the best solar panels for your roof. Panels mounted on a standard pitch roof facing east or west will produce approximately 15 less output than panels mounted on a south facing roof of a standard pitch. For example some solar panels could be placed facing north and some facing west. Once you have figured this out you can use one of the formulas below to calculate the best angle for your solar panels for each season.

This will result in an output similar to north west facing panels.