Rinse UK
Grime, dubstep, UK garage, funky, drum and bass and other electronic genres.
More Electronica / Industrial stations
Plusfm
If you are receptive with all forms of electronic sonorities, you will like the eclectic "mixture" of plusfm.
Systrum Sistum Electronica
Independent radio streaming electronica & dance, mainly on CC licenses.
Dirty
A distinct selection of underground electronic music.