Thread: make your ereader run on solar power
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Old 11-14-2011, 09:40 AM   #38
Pinecone
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Quote:
Originally Posted by frquixote View Post
I'm not quite sure where your numbers are off, but I have 28 225W panels from a well-known Japanese manufacturer (cells made in the USA!) that take up 380 square feet (35.28 sq meters) of roof space on my little (1172 sq ft) house and they generate on average 30 kWh/day, which is more than 850W/sq meter/day.

Having spent quite a bit of time studying the available solar panels before buying, I don't know of any that only generate 60W/sq meter/day ... that would be a 30W panel!!! I suspect you forgot to multiply the panel output by the number of hours it is actively generating power. Here in Hawaii we see an average of 5.8 hrs generating per day, but your output will definitely vary. Any solar panel salesman should be able to tell you what sun zone you are in.

And yes, it's easier to justify solar in Hawaii!
And how much did those solar panels cost?

What is their life expectancy?
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