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Story summary
- PJM Interconnection issued a Maximum Generation Alert as heat and maintenance reduced supply.
- PJM kept a capacity advisory through Wednesday while about 62,000 MW of generation stayed offline for maintenance.
- Spot power at PJM’s Western hub hit $1,021/MWh on Tuesday and Wednesday.
- Day-ahead prices rose 28% to $295.83/MWh.
- DOE emergency order, effective through Friday, lets plants exceed limits and can direct data centers to backup generation.