Categorized | Renewable energy, Solar power

Ivanpah planning multiple ways to stop frying birds

Credit: ivanpahsolar.com/

Credit: ivanpahsolar.com

Reflected heat from mirrors at the Ivanpah solar thermal plant in California near Primm NV has been killing large numbers of birds. To their credit, site operator BrightSource Energy is creating bird deterrent systems. These include anti-perching devices, sonic deterrents, anti-bird LEDS,  and waste and water containment so birds don’t gather.

As to the efforts currently underway, the waste and water containment is actively being done daily and the heliostat repositioning is complete. The sonic deterrent has been purchased and is in the process of being tested on site. The lighting on the towers are now being turned off at night and bids to replace the current ground level lighting with LED were returned this week and will be purchased and installed.

They also plan to donate $1.8 million to cat trap, neuter, and release organizations as cats kill birds too. Current efforts include a “25 million for our desert tortoise program, and in developing a high quality, scientifically valid, and robust avian plan.”

I don’t quite get the advantage of solar thermal, which reflects heat to a central tower to power turbines, over solar photovoltaic. PV is not nearly as destructive to wildlife and birds and uses practically no water, an important issue in baking deserts. Another problem with Ivanpah is airline pilots report the glare can be blinding.

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