Solar Impacts on Wildlife

Solar Impacts on Wildlife

Solar Impacts on Wildlife

The goal of solar installs is to reduce environmental impacts. So it is important to understand if the installation of solar projects will harm wildlife. In a world where oil spills are presently contaminating the habitat, food, and water supply around them, solar power is looking like a great clean solution. Below is research done on the impact large scale farm projects have on wildlife.

Solar modules require the use of other electrical equipment, such as inverters and connection boxes, which emit some noise. The frequency of most inverters is 50-60 Hz, the same as AC electricity in your home or commercial building, which is within the range audible to humans and well below the higher frequencies used to repel animals. Sound is generally not audible at the edge of the fenced boundary, but if audible, the sound is similar in volume to background noises and dissipates to inaudible 50 – 150 feet from the edge of the boundary. 

Solar and Birds

The birds are much better off with solar panels than in oil spills. But not all renewable energy is a safe haven for animals. Collisions with wind turbines cause bird deaths everyday. Birds are unlikely to be impacted by stationary solar array installation.

Solar modules create an opportunity for avian interactions. PV modules are generally less reflective than windows and have been installed and monitored for avian impacts at numerous airports. Nonetheless, avian injuries and mortalities may occur through collisions with power lines, vehicles, fencing, and solar equipment and structures such as modules. There are some concerns that birds might misconstrue solar installations for bodies of water and attempt to land on them, but this has not been proven. A 2017 comprehensive survey of all solar and bird interactions in the UK determined that “bird collision risk from solar panels is very low. There is likely to be more of a collision risk to birds presented by infrastructure associated with solar PV developments, such as overhead power lines.”

Source: Energy.gov

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