PJM Interconnection warned that surging data center growth, power plant retirements, and permitting delays are pushing the nation’s largest regional grid toward supply shortages and may require curtailing electricity to new large-load customers during peak demand periods.
The nation’s largest electric grid operator is weighing emergency reliability measures that could include reducing electricity access for newly connected data centers during periods of elevated demand, according to a newly released market design proposal highlighted in a report by theDaily Caller News Foundation.
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PJM Interconnection, which oversees the transmission grid serving more than 67 million people across multiple states, warned that rapid growth in electricity consumption combined with generation retirements and development delays is creating mounting reliability concerns across its service territory.
In its “Powering Reliability Through Market Design” paper, PJM identified “unprecedented surge in demand driven by the rapid expansion of large-load data centers and broader economy-wide electrification” as a central factor contributing to grid pressure. The operator also cited “the accelerated retirement of dispatchable generation due to environmental policy and economics” along with supply chain bottlenecks and permitting delays that have slowed the deployment of new energy infrastructure.
Federal energy data cited in the discussion show that data centers have become a leading contributor to rising electricity use nationwide. According to theU.S. Energy Information Administration, electricity demand is expected to continue increasing in coming years, raising concerns that new generation capacity may not be added quickly enough to meet consumption growth.
“The result is a transition from an era of managing surplus to an era of managing scarcity,” the PJM document states, pointing to extended timelines for bringing new generation online. The report added that “construction timelines have doubled,” noting that even under favorable conditions a new natural gas turbine facility may require at least four years between investment approval and commercial operation.
The operator also highlighted lengthy environmental reviews as a major obstacle to expanding generation capacity. According to theCouncil on Environmental Quality, environmental impact reviews routinely take more than four years to complete before projects can proceed.
PJM outlined three possible approaches to maintain reliability as demand accelerates.
One proposal would increase long-term market commitments through mandatory hedging requirements for Load Serving Entities, or through expanded multiyear procurement mechanisms administered directly by PJM. Load Serving Entities are companies or organizations authorized to sell electricity to end users.
Source: SGT Report
