Yeah you have to have decent sun to make it worthwhile. Do you have consistent high wind? The other thing to consider is hydro-electric if you can manage to get your springs in better shape and have the terrain for it. If you use a wood stove a lot then thermoelectric is pretty handy also. If you look under the 'Products' section of this website there are a variety of options for the latter. http://www.devilwatt.com/
We don't have much wind, but the runoff from the spring goes under the road and off an 80 foot cliff. There's probably some power in there somewhere. It wouldn't be consistent since the water level changes during the year but it might be a start. We use the wood stove as our primary heat source. I'll check out that site. Thank you for sharing your expertise!
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Yeah pretty much anything is better than relying on grid power. I would suggest just looking at ways to generate enough electricity to charge a few deep-cycle batteries when/if the need arises and steer clear of doing a household system unless you can figure out a good way to harness the one resource you have available which seems to be water. :)