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Why you need independent energy this summer and beyond
Routine spring maintenance at PJM Interconnection became an emergency as the grid operator prepared for summer demand across 13 states and Washington, D.C.
On May 18, 2026, PJM Interconnection, North America's largest power grid operator, scheduled routine maintenance that quickly escalated into an emergency threatening grid stability ahead of peak summer demand.
An early-season heat wave hit the East Coast on May 18, while more than 40 gigawatts of power plant capacity went offline, leaving PJM with dangerously thin reserves.
Rising electricity demand, driven by data centers accounting for 50% of U.S. electricity demand growth last year, strains the aging grid serving more than 67 million people across 13 states and Washington, D.C.
The U.S. Department of Energy issued a rare emergency order on May 18, granting PJM's request to authorize backup generation and help prevent blackouts across the region.
As grid instability increases, many households are adopting modular home backup systems to maintain power during outages and manage rising energy reliance amid the aging infrastructure strain.