asteroza + ringwall   3

DLR Blogs - Energie-Frage der Woche: Mit welcher Technik lässt sich Energie überhaupt speichern?
So this dude Mathias Popp is applying for (or has) a patent for an above-ground pumped hydro reservoir design using an earthen ringwall island in the middle of a converted open pit mine lake. Apparently there is a trend to convert disused open pit mines to lakes anyways, and considering the mine itself is considered already fowled and "brownfield", it shouldn't be that hard to make the center island ring.
germany  ringwall  ring  wall  earth  earthen  berm  reservoir  pumped  hydro  hydroelectric  power  generator  battery  storage  green  energy  Delicious 
october 2010 by asteroza

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