Witnesses Sound Alarm on Transformers, Supply Chains and Cyber Risks to the Grid
Lawmakers and utility witnesses warned of limits in domestic manufacturing for transformers and breakers, workforce constraints, and evolving cyber threats that could lengthen recovery times after major outages.
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At Thursday’s hearing, members and utility witnesses raised concerns about the nation’s limited domestic capacity for large transformers and other critical grid components, and emphasized cybersecurity and mutual assistance as essential to resilience.
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