It is generally known that wind turbines attract bats, which unfortunately die when they hit the wings of a turbine. Enel Green Power, one of the world’s largest renewable energy producers (RES), has launched a trial of NR’s bat repellent technology at its Gibson Bay wind farm in South Africa.

Bat deterrent systems have been installed by Nordex technicians on three of the 37 Nordek wind turbines – The project was carried out according to the remote guidance of the NRG technical service team. This is the second test of NRG’s bat deterrent system in South Africa and the first use of NRG’s technology on Nordek turbines.

Gibson wind turbines located in the province of Eastern Cape, mainly in the mountainous region, which stretches along the Indian Ocean, were put into operation in 2017. They can produce up to 420 GWh of electricity per year (enough energy to power approximately 131,000 South African households per year).

The environment has remarkable biodiversity. However, research on various species of bats in the region is minimal. Much remains to be learned about the bat population in South Africa. Their preservation has become an increasingly urgent issue for developers, owners and operators of wind turbines in the country.

Bat deaths in wind farms in North America and Europe have long been documented. Strict regulations have been introduced in both regions to prevent their suffering.

South Africa has no regulations to save bats

In South Africa, bat deaths have also been observed at operational wind farms. But there are currently no restrictions imposed by the government.

Meanwhile, the South African Bat Assessment Association (SABAA) has provided guidance on location assessment methods used to identify the potential impact of wind farms on bats. They also suggested effective techniques, including ultrasonic acoustic distractions, such as NRG’s bat deterrent system.

“This examination is significant in many ways. We are grateful for the opportunity to work closely with Enel’s team. We are proud to have been able to demonstrate the ease of installation on the first platform of its kind via remote instructions. We hope that Enel will show success in repelling bats. That it will be able to maintain continuity in bat conservation in South Africa, ”said John Ugland, senior product manager for NRG’s bat management systems.

E2 portal (Alterenergymag)

Source: E2 Portal by

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