Much excitement about energy future revolves around batteries, to store excess PV solar power, now that low Feed in Tariffs make export to grid a rip-off. Recent news is that such a battery system, complete, installed, is still priced at USD700 perkWh or $7000 for 10kWh. EV cars have great expectations, with Nissan Leaf up to 24kWh(above as taxi in New York City), prices below:
Fresh from USA – “starting price of a Nissan LEAF is about $22,000 after available maximum $7,500 federal tax credit, and LEAF offers the benefits of lower running costs and less scheduled maintenance.” tinyurl.com/oag59xq – Unfortunately in Australia – latest is still $39,990 per – http://preview.tinyurl.com/p9kkrsp alternatively for 10kWh onboard motorcycle, cost is $20k – http://www.zeromotorcycles.com/au/zero-s-order