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US electricity market news and market signals

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Grid Congestion Cost PJM $1 Billion in May

EnergyBasic

High 7/10PJM Interconnection US electricity market

Grid Congestion Cost PJM $1 Billion in May

The PJM Interconnection, a major U.S. grid operator, experienced a staggering $1 billion in costs during May 2026 due to transmission congestion. This figure highlights a significant challenge in the nation's electricity infrastructure.

June 10, 2026Published 1 hour ago