> Since there is no battery technology to store what's produced when the wind
> does blow...
Batteries aren't practical for a large scale system. but there are other
ways to store that power. Gravity being the best at this point. What did
farmers do with their old Aermotor? Pump water. This idea has been
developed .
> ARES stands for Advanced Rail Energy Storage. The concept is simple:
> When excess power comes off an energy source that's not always
> available – solar, say, or wind – that power, rather than going to
> waste, is used to move the rail cars up a hill to a storage yard.
> Then, after the wind stops or the sun goes down, the cars descend,
> generating electricity via regenerative braking. source hcn.org
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