Here are a couple of great links to start with...  There will be more added as time goes on.

www.otherpower.com  They sell magnets and lots of other goodies we like to play with.  Also their site offers a world of information. They also have another site where they sell their magnets and other trinkets to play with at www.wondermagnet.com  

www.homepower.com  Magazine dedicated to us DIYS'ers of home brewed power

www.ScoraigWind.co.uk  I learned a lot from Hugh Piggott, and would strongly recommend his books to anyone getting involved with wind power. 

http://www.green-trust.org has a wealth of information on just about any kind of Renewable energy you can think of.  Expect to spend some time on this site...

www.utterpower.com   . slow speed engines, generators, and more"... Lots of cool stuff we like to play with...

www.freewebs.com/acselectronics lots of DIY projects, information and links.  

http://www.ndsu.nodak.edu/ndsu/klemen This site has information about small manufactured wind turbines as well as other information about wind power http://www.ndsu.nodak.edu/ndsu/klemen This site has information about small manufactured wind turbines as well as other information about wind power 

http://www.dsgnspec.com -Rob has some great stuff for us experimentors... lots of electonic gizmos we all gott'a have.   This is where the star/delta switch I used in my downwind turbine project came from and it works flawlessly! Also !!! If your looking for a small hand held tach, the non-contact type you gotta' check out the "Tach JR" Perfect little tach at the right price!!! Dont miss out!!!

http://www.learnonline.com-Great place to learn about renewable energy for young and old.  A new and interesting way of learning.http://www.learnonline.com-Great place to learn about renewable energy for young and old.  A new and interesting way of learning.

http://disposalmovie.tripod.com -Off topic but a great movie to experience.  Plus you can help support a young upcomming movie maker.  A must see!

www.dragonflypower.com - lots of good information on wind power as well as a nicely built windturbine using an auto alternator.

http://www.ecs-solar.com - The Solar Industry's Water Heater Bible
" Hot Water Systems: Lessons Learned 1977 to Today " Solar Hot Water and Pool Heating Design / High Performance Low Maintenance Systems / Reality Checks Using Current Technology...a definitive how-to book for installing and maintaining high-performance and low-maintenance solar hot water systems -- written by one of the leaders in solar contracting today.

www.yourgreendream.com - another nice site for the DIY wind / solar and more! check it out.

www.thebackshed.com - Great DIY site with lots of fun projects we all like to see and build - cool stuff!

http://www.builditsolar.com/ - Tons of DIY projects - plan to spend some time here, I still haven't been through all the cool stuff !

www.nextenergysolar.com  Bay Area Solar Company, serving San Francisco Bay and Northern California specializing in residential solar power installations. 

http://www.clean-energy-ideas.com/wind_turbines.html - Discover how a home wind turbine could save money on your electricity bill. We also offer many environmental articles relating to solar, wind and geothermal power, and this includes a section on deciding if a wind turbine can be efficient in your area.

www.energyplanet.info - Lots of information in many many catagories of renewable and alternative energies.  Plan to spend some time here ... tons of info!

If you have a site based on the "do it yourself" or "how to" category and would like to be added to this list please send me an elenz(nospam)@windstuffnow.com I would be happy to exchange links!