Wind power-Air forced underground could provide energy
Storing compressed air below ground could provide the grid with wind power when it's needed, not just when it blows.Pumping compressed air underground so it can be extracted later to generate electricity could prove one of the most effective ways in the short term for Ontario to add vast amounts of renewable energy to the power system, industry experts say.
The basic concept is that cheap, surplus electricity available overnight is used to compress air and inject it into underground reservoirs, like a salt cavern or depleted gas field. When power is needed during the day and can fetch a higher price on the market, the air is released, exposed to heat and put through an expansion turbine that generates electricity.
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The basic concept is that cheap, surplus electricity available overnight is used to compress air and inject it into underground reservoirs, like a salt cavern or depleted gas field. When power is needed during the day and can fetch a higher price on the market, the air is released, exposed to heat and put through an expansion turbine that generates electricity.
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PermaLink - Wind power-Air forced underground could provide energy
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