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Editor's note: in order to effectively reduce energy consumption, improve the image of the city, to provide a good night lighting environment, to the public in February this year, Kaiyang County invested more than 900 yuan, the implementation of energy-saving LED street the city road lighting system. Currently, the green lighting technology transformation project of county LED street lamp has been completed and delivered.

After the transformation of the LED street lamp, the total power saving rate is above 60%, saving 1 million 348 thousand kwh of electricity per year, equivalent to reducing 539 tons of standard coal burning, reducing emissions of 1344 tons of carbon dioxide, 41 tons of sulfur dioxide and 20 tons of carbon oxides.