Next Slideshow Best Blue Flowers for Your Garden Best Blue Flowers for Your GardenBest Blue Flowers for Your Garden Blue flowers add a cool touch to the landscape. Get the names of blue flowers and learn how to grow different types of blue flowers in your garden.
Solar panels should always face true south if you are in the northern hemisphere, or true north if you are in the southern hemisphere. True north is not the same as magnetic north. If you are using a compass to orient your panels, you need to correct for the difference, which varies from place to place.
However, this tilt orientation is not as critical with regards to the solar panels orientation as even at a tilt angle of nearly 45 degrees (45 o) with respect to the suns solar rays, a solar panel still receives more than 75 percent as much energy per unit surface area as it does when it is optimally aligned.