agl unveils australia's biggest solar energy p, page-11

mate works at csiro on their solar stuff, they are leaning towards solar air turbines atm which are only good in the daylight.

they spent a fair bit of time heating various materials for storage and 24 hour generation, it works but the cost of the pipes to hold the superheated medium was high. They melted a lot of stuff.

doesn't mean they wont get there in the end.