Posting several days efforts, at the end of 2011, Hiyu clean energy street light project in Tianjin Polytechnic University was completed. These lights include the solar street lights and solar wind hybrid street lights. They can run only relying on the solar and wind energy, without any AC electrical power providing, and were designed for working 12 hours per day and continuing 4 cloudy days especially basing on Tianjin climates. “The illuminance from clean energy street lights is as good as the AC power LED lights and better than traditional lights liking HPS. These clean energy street lights have high reliability and will not need the maintenance. Besides, they are perfect value for money,” Engineer Dong said, the designer of these clean energy street lights. Till now the clean energy street lights work well and get the praise from the students and university officials.