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To: benwood who wrote (62864)	1/27/2007 7:15:01 PM
From: Haim R. Branisteanu	Read Replies (1) \| Respond to of 116555

In my calculation I made a mistake regarding solar radiation. It is around 1.3 to 1.4 KW per square meter. Depending on region in the US this averages between 4 to 8 KWH a day (24 hours) California and Mexico is around 7 to 8 KWH average per day. As ot costs - Current technologies cost $2–$3 per watt. This results in a cost of solar power of 9¢–12¢ per kilowatt-hour. Costs of conventional coal or gas power plants are below $1 per watt Newer and more innovative hybrid systems that combine large concentrating solar power plants with conventional natural gas combined cycle or coal plants can reduce costs to $1.5 per watt and drive the cost of solar power to below 8¢ per kilowatt hour.