On Wednesday, July 2nd at the Bellville Magistrates Court courtroom E, two members of the Delft Anti-Eviction Campaign, Jerome Daniels and Ridwaan Isaacs, were each sentenced twelve months in prison - simply for being community leaders at Delft-Symphony Way settlement.

http://news.bbc.co.uk/1/hi/sci/tech/6616651.stm
apparently 300% of the cost of fossil fuel electricity, but then again that's because fossil fuel generation externalises its real costs.