If you've got the means on your property to tap into hydro-electricity on a small, sustainable scale, then it's worth a few moments of your time.
There are lots of grants available (depending on where you live) and the right installation by the right installer could see you benefit from the Feed-in Tariffs (they're not just for solar generated electricity).
Read Business Green's article here.
If you decide that a solar installation is for you or you want to get a comparison quote, then use Solar Panel Quoter.co.uk - click here.
photo credit: hoyasmeg