Engineering News 25 August 2011.

State-owned power utility Eskom reported on Thursday that planned outage requirements for its summer maintenance season would exceed the available capacity, resulting in the use of costly liquid-fuel open-cycle gas turbines. This would increase reliance on demand side management…

http://www.engineeringnews.co.za/article/increased-summer-electricity-demand-poses-challenge-during-eskoms-maintenance-season-2011-08-25