'World to add as much green power in next five years as in last 20' for energy security: IEA, page-73

'You couldn’t find a 5kW for much less than $17 thousand dollars' - article 2011
https://www.solarchoice.net.au/blog...reach-unprecedented-lows-in-australia-141211/

And if AP was considered well to do and did not qualify for any gov rebate.
And if AP is the kind of person who likes to by German quality.
And if 'about twelve years' was closer to 13 years ...

AP needs to substantiate nothing ...

The troll just needs to learn to do a bit of reasearch.