The B&NES planning is currently considering an application to generate power from the river at Iford Manor using an archimedian screw hydopower installation. It is a great scheme and I have put in a comment in support to the application. It is great to see mini generating solutions coming through to generate green clean energy.
The main document can be read at this LINK
http://idox.bathnes.gov.uk/WAM/doc/BackGround%20Papers-393270.pdf?extension=.pdf&id=393270&location=VOLUME2&contentType=application/pdf&pageCount=19