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Solar trackers can boost the output of a PV system by as much as 20 to 40 percent. Trackers allow photovoltaic panels to follow the sun as it moves through the sky, which maximizes their exposure to sunlight and allows for optimal energy production. As a concept, tracker technology sounds great. Creating electricity is the goal, after all, and your solar panels will make more if they always face the sun. So, you might think that adding a solar tracker to your PV system is the right choice. Why, then, do professional photovoltaic contractors recommend fixed-tilt racks for most PV system installations? Solar Trackers Cost More than Fixed-Tilt Racks Fixed racks come at a fraction of the cost of solar...
Install a rooftop solar array, and you’ll have a steady supply of free electricity. Your PV panels will power all of your home appliances and electronic devices, slashing – or even eliminating – your monthly energy costs. But how does all of this actually happen? Solar Panels Capture Energy from the Sun Sunlight contains energy. When light from the sun hits something here on earth, this energy usually turns into heat – think of the warmth of your skin when you’re outside on a bright sunny day and you’ll get the picture. When the sun’s rays hit a rooftop solar array, however, the energy creates an electrical current instead of heat. Certain materials – including crystalline silicone, the main component...
Although you may have heard talk that roof leaks can develop after installing solar panels, this definitely isn’t the case. Leaking almost never happens – at least when a highly-experienced licensed solar contractor handles the installation. When a photovoltaic array is mounted properly, the integrity of the rooftop is not compromised. And, although the mounting hardware might require penetration of the roofing materials, an expert contractor – like the team at Intermountain Wind & Solar – always takes precautionary steps to prevent roof leaks. How Solar Contractors Guard Against Roof Leaks No reputable solar contractor will agree to install a photovoltaic array on a roof that appears to be in poor condition. If the rooftop is already compromised and likely...