Wind power is viagra free pills great...but it sure would be greater if it were constant. Indeed...the wind doesn't blow all day every day. And so, it seems, we might be stuck with some of the less renewable (but more constant) forms of generating power. That is, unless we can find high-capacity, high-efficiency means to store the cheepest viagra power when there's plenty of it, and use it when it's needed.
Which is why a group of entrepreneurs in Dallas are looking at digging some big holes into "porous sand stone." Basically, they plan on taking excess electricity from a wind farm and pumping it into a subterranean cavern with giant compressors. Then, when mother nature turns off the wind, they simply open up the valve, and use the air pressure to spin some turbines that produce electricity.
They plan to literally store wind...and it looks pretty cool. We just blogged about a hydro-electric system working on the same power storage principle. But a region's natural geography is going to be important. And in ultra-flat areas like Texas, hydroelectric might not be the best option.
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