In the 20th Century was expanded and modernized the lighting, the gas lamps were replaced by light bulbs. There was only stopped there during the two world wars. flashlights£¬The last gas lantern was removed in 1962 solemnly Hietzing. Two years later, the transition was completed on electricity. 2008 the first prototypes of solar and LED lights for public lighting in the test phase were used.
Currently in Vienna 150 000 lamps are in use around 3,000 kilometers of roads and paths to illuminate. The challenge this time is to equip the lighting fixtures with energy-saving lamps, rechargeable batteries£¬thus the power consumption - despite the increasing number of points of light as a result of urban expansion - remains low. The current 227 000 56 000 lamps use in megawatt hours.
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