PJM
The largest US regional grid operator, covering the mid-Atlantic and a major data-center hub with long queues.
Current numbers
~$6.3B (38%)data-center share of PJM's $16.4B capacity-auction cost — the cost-shift driver
$325/MW-day (at cap); −6,831 MWPJM 2028/29 capacity auction — cleared at the price cap, short of the reliability requirement again
$500k study + $15k/MWPJM interconnection deposits committed before the design is frozen: a fixed study deposit (hundreds of thousands, non-refundable once the request completes) plus a $15k/MW readiness deposit