solar

discussion
Adam Taggart
By Adam Taggart on Mon, Mar 30, 2015 - 2:33pm

How rooftop solar can prevent the apocalypse

Here's an article explaining the dangers of a takedown of the US electrical grid and how a distributed national network of rooftop solar installations would offer one of the best defenses against such a dire scenario. The article also details the major obstacles to such a sound idea: politics, and power plays by major utilities:

discussion
HughK
By HughK on Mon, Mar 24, 2014 - 7:52am

Solar Power Cooperatives

As I wrote in a post in the Michael Shuman interview thread, I have joined a solar power cooperative here in my area of Switzerland and I would like to share what I know so far about how this cooperative works, and also some of the technical aspects of the solar centers that it maintains, in the hope that others with experience with either individual solar systems or members of other solar cooper

discussion
Wendy S. Delmater
By Wendy S. Delmater on Thu, Feb 21, 2013 - 10:09pm

Alternative Energy Tourist

Last year we went on vacation to a writing retreat in the wilds of Michigan during an off-peak season at a Boy Scouts camp.

The had a very impressive solar array, that made enough power for 1/3 of their kitchen when the huge camp was full of campers and staff. It was more than enough for while we were there in March. I thought you'd want to see the photos. Here is the mess hall, with people for scale. The solar array is on the right. 

discussion
z
By z on Wed, Sep 12, 2012 - 3:37am

Need practical advice on solar system

Hi,

I am about to plunge for the first time into the solar world... I am going to buy a 100W (12V) panel, 20A charge controller, battery and 12V/220V converter. The idea is to "wet my feet" with this small off-grid system, and I would appreciate some sage advice from the experts here!

1. Is 20A charge controller too much for a 100W panel? Should I go for 10A instead?

2. Which battery should I use? Lead-acid, car battery, etc... how many Ah would be appropriate for this small system?

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