On 27 Feb, Ron Johnson wrote: >> >> It's not stupid if you haven't been there. > > I thought you were smarter than that. > > Presuming you're not: > > Mountains and valleys (great for filling up with dammed water) are > the predominant geological feature of the areas of the Columbia and > Snake rivers where those hydro dams are located. > > Mountains and valleys are *not* the predominant geological feature > of the Great Plains states, or those uber-mountainous states like > Louisiana and Mississippi. >
But there are turbines which are designed to extract energy from the flow of a river without the need of significant height gradients. And tidewater generators don't rely on any (land) topography, so the question is not entirely unreasonable. -Chris ------------------------------------------------------------------------ | Christopher Judd, Ph. D. [EMAIL PROTECTED] | ------------------------------------------------------------------------ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]