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Solar Panel Mounts & Trackers

Correct mounting of your solar panels is important to maximize production, provide proper directional and latitudinal orientation, and to provide the stability needed to protect your investment from the force of the wind. Which solar panel racking is best for your application will mostly depend on where you are installing your solar array; on your roof, the ground, or on a pole.

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Not sure what type of mounting or racking system is best for you?

Find out more by reading below, or use our Solar Racking Design Form to provide details about your project. We’ll get back to you soon with recommendations for your specific application.

Solar Racking Design Form

Roof Mounted Solar Panels

The most common place to put residential and commercial solar panels is on the roof. And because there are so many different types of roofs – pitched, flat, curved; composition, standing seam metal, screw-down metal, tile, rubber, concrete, asphalt, green (living); single-facet, multi-faceted; and more – there are a lot of different product options for mounting a solar array on top of your building.

When exploring your options for a rooftop solar mounting system:

Consider only those designed specifically for your type of roof configuration and material.

Know if roof penetrations will be required. If they are, be sure to review your roof warranty so you don’t void it. This is especially critical for newer roofs (10 years or less). Also carefully read each solar installer’s warranty before signing a contract to find out your rights should any penetrations result in a roof leak.

Ground Mount and Pole Mount Solar Racking

A ground-mount or pole-mount solar panel system is installed on the ground rather than on the roof of a building.  This allows the solar panels to be placed anywhere on the property and mounted at any height, from a few inches to many feet off the ground.

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What’s the Difference Between Ground Mount and Pole Mount Solar?

A ground-mount solar racking system is a metal frame anchored to a foundation. A pole mount system is one or two galvanized poles that are secured in the ground (typically driven or with a concrete footing) and hold a metal frame up off the ground.

Consider a Ground or Pole Mounted Solar Array if:

Your roof isn’t positioned to get the most usable light.

You have consistent and/or significant shading on areas of your roof and don’t or can’t remove what’s causing the shading.

You have a complex roof layout that would require multiple small sub-arrays.

You have chimneys, vents or skylights that will interfere with a racking layout.

You don’t like the look of solar panels on your roof,

AND

You have an open, sunny bit of land reasonably close to your electrical panel that you are willing to use for your array.

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Solar Trackers

A solar tracker is a special type of solar mounting device that automatically follows the position of the sun in the sky.  Solar panel trackers are used to maximize the output from solar panels by keeping them oriented directly toward the sun as it moves through the sky every day.

Solar trackers can increase the output of a solar array by 20% to 30%.  They are most beneficial for concentrated solar electric systems (like many solar farms), and for some non-concentrating solar arrays in areas where there is a lot of direct light.  In areas that have frequent or significant clouds or fog, solar tracking has no value when used with non-concentrating solar arrays.

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Why we don’t sell solar trackers anymore

When FMS was founded in 2001, and for a number of years after, solar trackers often made sense for non-concentrating solar arrays in areas with limited fog and clouds. One reason was that solar panels were very expensive ($4.28 per watt for a 125-watt panel), so adding a tracker at anywhere from $600 to $1,000 per panel to pick up an additional 20% to 30% power could end up costing less than increasing the size of the array.

Today, however, the cost of solar is significantly cheaper, while trackers are not. In 2019, we are selling high quality 310 watt U.S. manufactured solar panels for $230, or $0.74 per watt. Here’s the rest of the math:

If you take the math further, you will see it would cost approximately $8,300 on the cheap end to get 4,030 watts of rated capacity using a tracker, but only about $4,300 using a fixed ground mount system. Or to look at it in even another way, for the same $8,300 investment as a 4.03 kW tracking array, you could get 7.75 kW of solar on a fixed mount system.

Though there are a lot of other components needed for a working array, this general comparison illustrates our point: You can get much more power for much less money by adding extra solar panels instead of a tracker. Plus losing the tracker provides the added benefit of no moving parts that will need maintenance or could break.

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