PJM's model error wasted $12B of ratepayer money and its emergency auction risks repeating it
Why it matters — For engineers working on grid modeling, this shows how a small error in capacity estimation can cascade into billions in wasted procurement. PJM's plan to run an emergency auction without correcting the model means ratepayers may face another round of inflated costs. The analysis also highlights that better modeling could have saved $6.7B with only 14MW less power procured.
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