BrightSource Adds Storage to CSP

A common refrain about the limitations of solar power is that the technology only works when the sun is shining. That's certainly true of photovoltaic (PV) solar technology. And of course, wind power only works when the wind blows. Some consider these variable energy sources a threat to the reliable operation of the electrical grid.

Concentrating solar power (CSP), while it might be more expensive than PV technology, has an absolute advantage over PV -- the ability to store thermal energy long after the sun goes down. This ability improves CSP's capacity factor and dispatchability, and has the potential to improve CSP's levelized cost of energy (LCOE).

Now BrightSource Energy, a VC-funded CSP firm with gigawatts of PPAs in its pipeline, has launched a power tower CSP system that includes two-tank molten-salt storage.

The advantages of molten-salt storage are known and proven:

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Source: http://www.solarfeeds.com/greentech-media/17813-brightsource-adds-storage-to-csp

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