Engineering News – ONLINE
25 June 2013
South African power utility Eskom briefly cut supply to one of BHP Billiton’s aluminium smelters on Monday night after nation-wide demand outstripped supply, a company spokeswoman said on Tuesday.
An agreement between state-run Eskom and BHP allow the utility to interrupt power to the latter’s energy-intensive smelters if the national grid approaches a tipping point.  Read more