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To: Elsewhere who wrote (437634)	7/28/2011 12:29:00 PM
From: DMaA	Read Replies (2) \| Respond to of 793850

pump up the water when there's a surplus of power feeding and release it later. Actually I was thinking about that as I posted. However, that is not an option in the flat arid desert where the sun shins the brightest. PV can be a useful part of the renewable mix, together with wind and hydro. Every little bit helps. I think that's reasonable.

To: Elsewhere who wrote (437634)	7/28/2011 1:16:13 PM
From: d[-_-]b	Read Replies (1) \| Respond to of 793850

Just as the same computing power becomes cheaper every year ("Moore's Law") the production costs of PV modules drop to lower and lower levels. Moore's law is about densities doubling i.e. compute power, not costs of the product to consumers. Solar is all about the cheapest manufacturing cost as possible and of course the Sun provides only so much energy per square foot no matter how efficient the collector.