Lighting Effect of LVD	Lighting Effect of HPS

Apply LVD Induction Lamp Lighting System
Annual Energy Consumption Saving is 342,034kwh
Annual Electricity Cost Saving is 324,679 RMB
Save power cost 47.5%, save electricity cost 52.1%

Energy Saving Effect Measurement Table of LVD Bridge Lighting Project(10Km)
Comparison Item	Original Lighting System		Present Lighting System
Lighting Source	Original Type and Specification	Quantity	Present Type and Specification	Quantity
	HPS 400W	330	LVD 200W	330
Electricity Cost	47,347		24,857		Yuan/Month
	568,166		298,287		Yuan/Year
Maintenance Cost	54,800		0		Yuan/Year
Total	622,966		298,287		Yuan/Year
Electricity & Maintenance Cost Saving	324,679				Yuan/Year
Energy Consumption	60,006		31,503		kwh/Month
	720,072		378,038		kwh/Year
Energy Consumption Saving	342,034				kwh/Year
Energy Consumption Saving in 10 Years	3,420,342				kwh

This case applies to variety of cross-sea bridge highway overpasses and other city viaduct lighting.