Help a girl with her electricity please?

[NorthernRaider]

UKS I have heard of people using 24VDC in very large industrial units which they then drop to 12vdc for use ??

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This thread on eco ideas may help http://challenge.ecomagination.com/home/...lt-systems-

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And this
http://www.treehugger.com/sustainable-pr...lt-dc.html

Here is a good simple article

http://www.selfsufficientish.com/12v.htm

and this is slightly more technical

http://www.dreamgreenhouse.com/designs/12v/