Supplemental Payment. In the event that NYISO determines that a Prepayment is less than the charges incurred or estimated to be incurred by Customer for purchases of Energy and Ancillary Services in the week for which the Prepayment is made, Customer shall make a supplemental payment upon written demand by NYISO. NYISO shall specify in its demand the amount of the supplemental payment and the time for such payment to be made; provided, however, that the payment shall not be due sooner than 4:00 P.M. EST on the next business day.
Appears in 15 contracts
Samples: Prepayment Agreement, Prepayment Agreement, Prepayment Agreement