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To accommodate the fluctuating demand for natural gas, the U.S. maintains approximately 400 natural gas storage sites across the country. These sites often include depleted natural gas fields, salt caverns, and aquifers, all selected based on their geological capabilities for safe storage.
Depleted fields are the cheapest and easiest storage solution, while salt caverns and aquifers offer varying flexibility and capacity. Notably, the shift to natural gas storage options has gained traction as the industry expands, particularly following the increase in production and distribution capabilities.