A type of commodity, which although it may be applied to any physical commodity, usually describes the ability to store natural gas in its gaseous state

Storage facilities usually consist of natural structures (depleted gas fields for example) that are attached to the gas pipeline network


Storage may be bought from the Storage operators in auctions or traded

Storage allows the option to inject gas into storage, or release gas from storage

The commercial use of storage is generally to allow gas to be transferred into Storage (injected) in Summer months when the prices are low, and released (withdrawn) in the peak Winter months when gas prices are high

Storage behaves somewhat like an option on a physically settled time spread

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