Engineering News 5 July 2010.

A newly released comparison of proposed municipal electricity tariff increases for 2010/11 shows that business and industrial consumers in the Ekurhuleni metropolitan area of Gauteng province will be confronted with a 57% surge in prices when compared with 2009/10 tariffs, while the average proposed increase across 11 large municipal areas surveyed would be 22%…

http://www.engineeringnews.co.za/article/power-tariffs-to-large-municipal-users-to-surge-in-201011-survey-finds-2010-07-05