In reply to Jed Rothwell's message of Thu, 28 Apr 2011 15:54:31 -0400: Hi, [snip] >PV also produces roughly 30% of nameplate because the sun shines with peak >intensity around 8 hours per day. However, unlike wind power, PV produces >peak electricity at exactly the moment when demand peaks during the summer, >because air conditioning kicks in when the sun is hottest.
This is only likely to be true at the lower latitudes. Over the planet as a whole, it averages to exactly 25%. (PiR^2/4PiR^2). Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/Project.html

