U.S. issues emergency order for largest power grid as record heat nears

[High Voltage Electric Power Lines At Sunset]
imaginima/iStock via Getty Images
The Trump administration declared a power emergency [https://www.bloomberg.com/news/articles/2026-06-30/emergency-ordered-for-largest-us-power-grid-as-record-heat-nears] Tuesday for PJM Interconnection, the largest U.S. energy grid, ahead of a dangerous heat wave that threatens to strain electricity infrastructure.
The emergency order [https://www.energy.gov/documents/doe-order-no-202-26-32] issued by the Department of Energy said a statutory emergency exists in PJM interconnection's region due to a combination of surging electricity demand and limited generation capacity.
The order authorizes power plants in the PJM region, which serves 67M people across 13 states, to operate at maximum levels and exceed some environmental requirements.
PJM submitted a formal request for the action on June 29, warning of an "imminent electricity reliability emergency" driven by the potential for record power demand amid temperatures forecast to exceed 100F.
This summer is proving to be a challenge for the U.S. power system; last month, the DoE issued an emergency order authorizing the deployment of backup generation resources in PJM to help mitigate blackouts in the Mid-Atlantic.
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