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Strategic Petroleum Reserve carries authorized storage capacity of 714 million barrels, a figure cited by the Department of Energy, but the operational constraint drawing attention is not the storage ceiling.
Emergency releases have begun straining infrastructure that predates the current pace of drawdowns, placing equipment built for infrequent use under sustained pressure it was not designed to absorb.
The stack beneath the headline number Authorized capacity measures what the reserve can hold. It says nothing about how quickly or reliably the system can deliver.
The mechanism that matters in an emergency drawdown cycle is the extraction and distribution infrastructure: the pumps, pipelines, and transfer systems that connect geological storage to commercial supply.
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