4 FAQs about Planting shrubs under photovoltaic panels

How do you manage vegetation under a solar array?

To date, the most common plans for vegetation management under solar arrays are mechanical control (mowing), grazing sheep, and pollinator habitat, or a combination of these three. In almost every scenario a mixture of different plant species will provide more desirable outcomes than a monoculture.

Can a tree shade a rooftop solar system?

Once again, if you have a rooftop solar photovoltaic (PV) system, consider the size and placement of the tree at maturity to avoid shading the solar panels. Trees, shrubs, and groundcover plants can also shade the ground and pavement around the home. This reduces heat radiation and cools the air before it reaches your home's walls and windows.

Why are solar panels better than open field plants?

The reduction in direct sunlight exposure beneath the PV panels led to cooler air temperature during the day and warmer temperatures at night, which allowed the plant under the solar arrays to retain more moisture than the control crops that grew in open field planting area.

How to manage undesirable plants before a solar array is built?

In many cases management of undesirable plants will face less hurdles before the construction of the solar array. Mowing – if time permits prior to the start of construction, frequent mowing can reduce the presence of some weed species and encourage the growth of more desirable species.

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