WA Coal Power Stations to Close Down, page-16

1. Battery power is possible solution for SA's self inflicted wounds but maybe not just yet.

"Why Elon Musk's Tesla power fix for SA might happen (but probably won't)"
I won't copy/paste the entire article or cherry pick as you will need to read it in context.

http://www.abc.net.au/news/2017-03-13/tesla-power-fix-unlikely-despite-elon-musk-pitch/8350026

2. The target date for 2050 being the end of coal power comes from your homepage, RenewEconomy.

Practical, economic solutions - yes. Dogma - no.