Solastor promises world’s cheapest 24/7 solar power  

Posted by Big Gav in , , , , ,

One time Liberal party leader John Hewson (now chairman of a company called SolarStor) made a splash in the media today with an announcement of solar thermal power plant in Port Augusta in South Australia.

Renew Economy has the details - Hewson’s Solastor promises world’s cheapest 24/7 solar power.

The 170MW, $1.2 billion project was officially launched in Adelaide on Tuesday by Hewson, who said he was confident the technology could produce the lowest-price 24/7 solar power in the world.

According to Solastor, this is “the ideal technology” to replace the almost 20,000 megawatts of coal-fired power plants “that will inevitably be phased out over the next 10 to 20 years,” as well as diesel generation systems such as those used in remote communities, islands and mine sites. In Australia alone, the company says, there could be a market for 400 Solastor plants.

The costs being quoted are so low that even RE's Giles Parkinson is being a little wary, sounding some notes of caution - Hewson’s enthusiasm for solar towers is welcome, but wild claims are not.

The proposed plant will use graphite rather than molten salt for heat storage - apparently they licenced the Lloyd Energy Systems / Larkden technology for this (according to a SolarStor web page now only available through Google cache).

Australia isn't the only country with new CSP plants being planned - RE also has an article about project announcement in Dubai - Dubai plans world’s biggest, and cheapest, solar tower + storage project.

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