Tuesday, September 16, 2014 by Mark Richardson

Austin Energy automates streetlight system

Austin Energy has automated all of its 56,000 streetlights and made them Dark Sky compliant. The Austin area is now one of only a few in the country where the streetlights are both automated and Dark Sky compliant. The electric utility has converted more than 13,000 of the streetlights to light-emitting diode technology. The LED lights can save more than 4.3 million kilowatt-hours of electricity annually and eliminate the emission of about 3,000 tons of carbon dioxide into the atmosphere. The Dark Sky initiative removed globe fixtures that scatter light and replaced them with flat-glass fixtures, which concentrate light downward and prevent it from dissipating up into the night sky. Each streetlight is fitted with a wireless photocell to relay its condition to AE constantly, eliminating the need for patrol crews to monitor the system.


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