Hi Bob These are some links that I used for my prep for today. I thought you might find them useful if you do a similar class exercise next year, to post on your class website etc. Niki RENEWABLE INFORMATION SOURCES Simple info on renewables from UK website http://www.saveenergy.co.uk/renewables/ What do Australian electricity suppliers offer http://acre.murdoch.edu.au/ago/misc/green.html Univ http://www.acre.murdoch.edu.au/publications/occasional/greenpowerinoz.htm http://www.acre.murdoch.edu.au/publications/occasional/greenpowerincontext.h tm Proof that major energy users are buying green energy - example from the Netherlands http://www.greenprices.com/nl/usertop.asp What's happening in Europe, especially when it comes to getting customers (industrial, commercial and residential) to sign up to green tariffs www.greenprices.com