Gas, Electricity

Public utilities are in general controlled by the local authorities. Wien Energy is responsible for supplying the city with its electricity and gas requirements. About 50% of the energy required is generated in the government's own power stations. The remaining 50% is procured by the Verbundgesellschaft. The power supply takes place at various voltage levels. The transmission network uses 380 kV as super grid voltage. In addition to 40 voltage transformation substations, more than 11,000 distribution substations and around 21,000km of cable and aerial lines, there are numerous protective devices en route to provide a safe electric power supply to the ultimate consumer.

In 1996 the use of natural gasoline in Vienna amounted to 2,038 million m3. To safeguard gas supply, the storage possibilities were increased to 725m3 in the same year. Natural gas is acquired from national extraction, from Russia and from Norway.

For more information on electricity and gas supply in Vienna, please click here.

Water

In 1995, spring water comprised 97% of Viennese drinking water. The rest originated from groundwater coming from internal and external pumping stations, and to a small extent from processed surface water (Wientalwasserleitung) as well as water from storage tanks. The water pipe network is 3,176km long. The 34 water tanks have a total capacity of 1,465,870 m3. In 1995, the annual water consumption amounted to 1.28 million litres.

Source
http://www.wien-vienna.com/puplicfacilities.php