Biggest US Grid Must Redesign to Cope With AI Boom, CEO Says (1)

The biggest US power grid needs a revamp to cope with the unprecedented surge in electricity demand stemming from the data-center boom, said Chief Executive Officer David Mills.

As currently structured, PJM Interconnection LLC, which serves 67 million people across 13 states, can’t ensure ample electricity supplies while simultaneously shielding residential consumers from soaring bills, Mills wrote in a letter to stakeholders.

“The current situation is not tenable,” Mills wrote in the letter published Wednesday. The “stress now visible in prices, reserve margins and investment pipelines reflects something more fundamental than a design that needs recalibration.”

The crises stressing ...