Path: utzoo!attcan!uunet!ncrlnk!ncrcae!hubcap!gatech!rutgers!iuvax!bsu-cs!dhesi
From: dhesi@bsu-cs.UUCP (Rahul Dhesi)
Newsgroups: sci.electronics
Subject: Re: Large power storage devices
Message-ID: <4841@bsu-cs.UUCP>
Date: 21 Nov 88 21:45:15 GMT
References: <4216@umd5.umd.edu> <2120001@hpnmdla.HP.COM> <1988Nov19.213700.27298@utzoo.uucp>
Reply-To: dhesi@bsu-cs.UUCP (Rahul Dhesi)
Organization: CS Dept, Ball St U, Muncie, Indiana
Lines: 8

If you will settle for about 65% efficiency, build a huge lake and a
dam.  Spend energy pumping water up into the lake.  To reclaim the
energy let the water flow back down though turbine blades.

Clean, stable, little maintenance needed, and a huge capacity for
storing energy.
-- 
Rahul Dhesi         UUCP:  <backbones>!{iuvax,pur-ee}!bsu-cs!dhesi