grid parity, page-15

http://www.toshiba-aircon.com.au/upload/data/Brochures/Toshiba%20Light%20Commercial%20Catalogue.pdf

If you scroll down above page you will come to consumption details for various units.The largest one(a double stack suitable for commercial use) draws (its gives annual figures) 1760 kwHs per year.
1760 KwHs annually / 85KwHs annually = 20.7 Sq m of active roofing.
Southland has a floor area of 129071m². ... Southland was one of Melbourne's premier shopping centres at the time of its opening in September 1968.Is there parking on the roof? Lets halve it. 129071m2/2= 645355m2 x 85KwHs annually=
54855175KwHs annually /365 = 150288 KwH per day
The twin stack conditioner uses at peak 11.2 KwHs x 24 hrs = 268 KwHs per 24Hr day.We have 150288 KwHs per day.150288 kwHs/268 kwHs = 560 We can run 560 double stack aircons @ 24 Hrs on our roof for free...My God.Please somebody check my math.Is there a sentiment for BLOWN OUT..It seem a very large amount of power.There must be something wrong here...