4 tips for installing solar photovoltaic panels on a new construction

If you are constructing a new house and want it to be powered by the sun, there are a few helpful things to keep in mind during the planning stage.


Incorporating solar energy into your house plans will help boost the output of the array and therefore increase your return on investment. Here are four tips to use when installing on a new construction.

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1. Orient the home for solar panels
If you will be mounting your solar panel on the roof of your new home, it is important to have a large south-facing roof. If your home has a rectangular shape, one of the long sides should face south. This provides more roof space for your solar panels.

Sufficient space is essential if you want your solar system to produce all the electricity your house will consume throughout the year. A small south-facing roof will limit your space for panels, decreasing the possible size of the array.

2. Have a roof pitch of 30 to 45 degrees
The angle of the solar panels impacts the solar energy production. Mounting your solar panels at an ideal angle will increase the solar electricity output throughout the year. If solar panels are placed at a steep angle, they produce more electricity in the winter because the sun is lower in the sky.

When panels are installed at a 0-degree angle, they produce more electricity in the summer because the sun is higher in the summer sky.

3. Strategically place dormers, vents, and chimneys
Solar systems generate the most electricity when they are completely unshaded, especially in the middle of the day. Even vents, dormers, and chimneys can create shadows on the panels, decreasing your energy output.

It is important to strategically place these building features to maximize the energy production of your system and available space for mounting solar panels.

4. Avoid trees and building obstructions
Trees and buildings can shade your solar panels, causing a significant reduction in your solar energy production.

When building a new home, locate the home clear from obstructions that will shade your solar panels. Even deciduous trees create branch shade during the winter months, significantly decreasing your energy production.

If some shade is unavoidable, select solar equipment that is specifically designed for shaded conditions.

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  1. Sarah
    This is a vision of the future I have been toiling with as far as current roof top solar systems.
    What I see that will be more efficent is convex type panels that operate similar to a cactus flowering in the desert or a rose opening to the warmth of the sun.
    This type of operation would be far more efficent, costly of course at the moment, but far more to the advantage to residences in northern or Southern Hemispheres.
    Rather than convention flat panels why incorporate a spheres that unfold similar to that of a peeled orange. Three side sections, opening and closing with the angle of the seasonal suns positioning.
    Your thoughts?

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