Austin, Texas, wants to replace the cobra with solid state lighting.
The city, which has been experimenting with several green technologies and trying to encourage green companies to locate there, will evaluate the cost-effectiveness of replacing 250-watt high pressure sodium "Cobra-head" street lights with LED street lights, which consume far less energy. The city estimates it could save up to $500,000 a year in utility bills by inserting LEDs in 5,000 street lights alone.
Maintenance costs would also likely decline because LEDs last longer. Although LEDs cost more, advocates say that the total cost of ownership, … Read more