Greenprint: Wild (and Efficient) Lights

As the holidays draw near, Wild Lights at the Detroit Zoo is now in full glow – more than 5 million LED lights are illuminating buildings, trees and more than 200 animal sculptures in an impressive display over 29 nights.

While this event lights up the night sky, efficient energy use is still paramount at the Detroit Zoo. All of the lights used to decorate the Wild Lights path are light-emitting diodes (LEDs), which consume 80 to 90 percent less energy than incandescent bulbs and last for up to 100,000 hours, versus just 3,000 hours for incandescents. This is a solid economic investment that reduces the amount of energy used, saves money (prices for LEDs have come down in the last couple of years), and their durability leads to a decreased number of holiday lights that end up in landfills.

For those who are considering making the switch, Home Depot and Lowes both offer recycling programs for old holiday lights. In addition, we’re offering an opportunity for Wild Lights attendees to bring in their old lights for recycling in the events pavilion at the Detroit Zoo.

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Over the last three years, the Detroit Zoological Society has invested more than $3 million into energy efficiency projects, which results in utility costs savings of nearly $275,000 annually. Most recently, DTE Energy provided the Zoo with an energy-use assessment in order to further explore additional energy-reduction measures.

While Wild Lights uses energy, the LED lighting means it is 80 to 90 percent less wattage than it would with incandescent lighting. This is important because during these shorter, darker days, holiday lights make everything magical and well, brighter!

– Rachel Handbury is the manager of sustainability for the Detroit Zoological Society.

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