Collection about the purchase, use and maintenance of solar street city streets

In the table below for the part of China's urban location of solar panels and solar street lamp obliquity recommended data, China's major cities annual average sunshine time is for reference only and the best installation Angle latitude city best Angle (0) the annual average sunshine time (hours) best city latitude Angle (0) the annual average sunshine time (hours) Harbin hangzhou 30.23 45.68 + 34.4 + 43.90 + 14.8 33.42 jilin province nanchang 28.67 41.77 + 14.6 + 23.81 shenyang fuzhou 45 jinan 36.68 + 39.8 + 26.08 + 43.46 Beijing tianjin 64.44 39.10 34.72 + 74.04 + 54.65 zhengzhou Hohhot 40.78 37.78 + 30.63 + 73.80 + 35.6 wuhan Shanxi Province changsha urumqi 43.78 + 28.20 + 63.22 124.6 54.8 23.13 73.52 sining36.75 guangzhou 20.03 + 123.75 + 15.5 hainan province lanzhou 36.05 22.82 + 53.54 + 84.4 nanning yinchuan 38.48 34.30 + 30.67 + 22.87 + 25.5 chengdu xi 'an guiyang 26.58 143.6 25.02 84.26 31.17 + 33.8 + 82.84 Shanghai kunming nanjing 32 point hefei 31.85 + 93.69 + 53.94 29.70 86.7 in Lhasa