Philips has put up the first street lamps that use light-emitting diodes (LEDs), which last four times longer than normal street lighting, the Dutch electronics group said on Friday. With 50,000 light hours, LED lamps do not have to be changed for 12 years when lit for an average 11 to 12 hours a day.

Until now, LEDs were used as indicators on electronic goods, bicycles and cars, but technical developments have made them so bright they can now be used for any normal lighting situation.

Gas-filled streetlamps last an average 12,000 hours, and replacing them is costly and also hampers traffic, especially in hard-to-reach places such as tunnels.

LED streetlamps are twice as expensive as current street lighting with a similar design, but this is compensated for by the longer lifespan, Philips product manager Bram Lansink said.

That means a pretty good cost savings to any city that goes that way in replacements, and probably power too. I think LED’s is one technology that is only going to be seen in more and more markets as time passes.

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