DIY 60 watt solar panel
Posted about this on the blog, but I thought it was pretty need, something I'm not up to just yet: Build a 60 Watt Solar Panel
Anyone ever done one like this? |
That is so cool! I want to make one right now. But, the list is already soooo long. Ah well, it just got one longer. :)
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I thought about a little off-the-grid system to supply a laptop. I search the Internet and found the following rules :
As a laptop consumes 20W (mine is currently using 22W with LCD on but background light at 50%, when LCD is off then it's 17W) :
So you have to buy :
Several weeks of research on French web sites and the lowest cost corresponded to more than 80 years of electricity for the laptop... the problem is that all that material will not last 80 years :
As at this time my son was just born and we were then spending a lot of money for him, I couldn't afford to spend 1500€ in such a project and it disappeared (not my son, the project ;) Denis. |
Forget the batteries and just plug the inverter straight into a wall outlet.
In some areas you can get a net meter which will change your billing with your power company. However, you won't get paid if you design a system that produces more than you need. Any additional power is your donation to the local power company. (This is a huge pet peeve of mine and the laws/rules should be changed). But they might also have requirements of system size, professionally installed etc that they're willing to work with. Or you could just go outlaw and just do it. Now this is illegal (it'll run the meter backwards) without an agreement with your local power company. But as long as you don't drop your power bill too significantly I doubt that the local power company will care enough to take action, or at least it wont be worth the expense of them pursuing it. I've known a few people that have done this and they've never gotten in any trouble doing it. But I must say Its illegal so if something does happen to you should you try this don't blame me....you've been warned. |
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