cost of solar energy
How do they figure the cost of solar energy electrolysis?
I’ve been reading through this article
http://www.nap.edu/openbook.php?record_id=10922&page=103
They cite the current cost of solar in the range of $3-$6 per peak-watt. And they give other figures for the conversion of Solar to Hydrogen.
What I don’t understand is that the sun shines all day and I don’t pay a dime. So how can there be a ‘cost’ for solar power? Even if you have to pay for photo-voltaics, that cost will be ever reduced by the energy savings.
Can someone explain how there’s a cost for solar and furthermore solar to hydrogen electrolysis?
Well you have to pay to have the panels installed. If you break down the cost into monthly payments, you can further break it down into cost per second. Then figure out how much energy you’re getting from the sun at peak hours, and you can calculate cost per peak-watt.
How do we make Solar Energy more cost effective?!? NAE – Engineering Grand Challenge 2009
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