Delivery year
PJM plans and bills capacity on a delivery year running June 1 through May 31. The five coincident peaks of one summer set each customer's PLC for the delivery year that starts the following June, priced at that year's Base Residual Auction clearing price. The lag matters: the money saved by curtailing this summer shows up on bills starting next June and continues for twelve months.
See it live: today's peak call · stress-test the drivers