RenewEconomy, 4 Nov 2016, "Tesla's price shock: Solar + battery as cheap as grid power", Bruce Mountain

"Compared to Powerwall 1.0, peak power has increased by 40 per cent, continuous power by 50 per cent, storage capacity by 100 per cent (to 14 kWh) and an inverter is included. And all this for US$5,500 ($A8,800) – about the same price as Powerwall 1.0".

http://reneweconomy.com.au/teslas-price-shock-solar-battery-as-cheap-as-grid-power-22265/