Wien Energie supplies more than a million residential customers, 230,000 businesses and 4,500 farms in its catchment area with electrical power and gas. Almost 290,000 customers are also supplied with district heating. In order to be able to safeguard a high degree of supply quality in the future, a considerable amount of investment is being made in the grid infrastructure and in expanding our production facilities. At Wien Energie, it is of utmost importance to ensure that our customers are satisfied and that all of our resources are used conservatively.