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The 10th is the second national low-carbon day. The reporter learned from the Guangdong Provincial Transportation Group on the 10th that the Guangzhou-Shenzhen Expressway saved nearly 400,000 kWh of electricity every month after implementing the streetlight LED energy-saving renovation. It is estimated that electricity can be saved every year. More than 4 million.
The Guangzhou-Shenzhen Expressway has a total length of 122.8 kilometers, spanning Guangzhou, Dongguan and Shenzhen. It has installed 6280 street lamps and implemented full-line lighting. It is the first longest LED retrofit highway in China and the first one. The road reconstruction project of the annual energy management model and the first highway using LED intelligent control.
Before the high-speed transformation, all of the 250W traditional magnetic ballast type high-pressure sodium lamps were used. The average daily lighting time was about 11 hours, and the annual electricity consumption was about 8 million kWh. In the era of energy saving and emission reduction, the problem of huge power consumption brought by street lighting has become increasingly prominent.
The person in charge of the electromechanical department of Guangzhou-Shenzhen Expressway said that the high-speed street lamp has been replaced with 100W LED energy-saving street lamps, and a remote intelligent monitoring system is adopted. Compared with the sodium lamp lighting system before the transformation, the average illumination of the modified LED street lighting system has more than doubled, and the power saving rate has exceeded 60.
The driver who often travels between Guangzhou and Shenzhen said that the previous lights were dim. Since the Guangzhou-Shenzhen Expressway was illuminated by LED street lights, it felt brighter. The sight of driving at night felt better than before and it was more comfortable to drive.
The relevant person in charge of Guangdong Transportation Group introduced that the high-speed LED street lamp transformation adopts the contract energy management mode, introduces LED high-tech enterprises, and the other party puts into energy-saving equipment to jointly carry out energy-saving renovation, so that enterprises can recover the cost and profit from the saved electricity costs.