Since children are the ones who will be running the future it is important to teach them early about renewable energy. As a parent you can set the example by using solar energy whenever possible. If it is not possible to swap your entire house over, maybe switch out your outdoor lighting.
Know how light mixes with the trees around your property. You may think you've got the perfect spot for a solar panel, but watch it throughout the day. The sun coming in from different angles may lead to surprising shadows from trees and foliage. This will affect your solar output.
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Carefully consider the types of solar panels you plan on having installed. Long ago, if you didn't have enough roof space, you'd need very expensive high efficiency mono-crystalline panels. There are now more advanced polycrystalline panels and even thin film panels. If you've got enough roof space, you might wish to look at the size of the panels in relation to their output capacity to avoid having insufficient panels that you need more of later.
Experiment with various angles and placements, monitoring the power stored on a daily basis and making changes as necessary. Any angle might be acceptable, but there are times when a small tweak in the position can have a noticeable impact. Try different options and stick with the spot that works best.