If you go to http://www.bnellis.com/ecobags/ , you will see how much
energy can be recovered after a shopping expedition to the local
supermarket. This is a French initiative (translated into English). I
don't know what capacity is available in France but I do know that the
generation capacity in Switzerland from household waste is 277 MW. By
extrapolation, this should be equivalent to over 2 GW for the UK,
France, Germany or Italy or 8 GW for the USA. Is it?
Brian