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Nature_and_Environment.10

Renewable Energy Living

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{Nature_and_Environment.10.8}: Richard Witty {gisland} Fri, 28 Jan 2005 19:55:21 CST (18 lines)

Energy storage is the name of the game.

Fuels are energy storage.

Utilities are interested in energy storage for financial purposes
largely. Peak electricity can be MANY times more expensive than non-
peak. So a utility with good energy storage, can buy cheap and sell
dear. Even if a fly-wheel lost 20% of its energy in a day (I don't
know the actual statistics), it would still be cost effective 300
days of the year when daytime energy costs swing more than 20% daily.

For a home, employing renewables, a flywheel sounds like a promising
fixed storage design.

Its not portable, like fuels are though.

And, at the speeds that flywheels must spin to retain energy, if they
spin off their plane, they can be extremely dangerous.

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