NYISO Tariffs --> Open Access Transmission Tariff (OATT) --> 6 OATT Rate Schedules --> 6.8 OATT Schedule 8 - Non Firm Point To Point Transmission S
The charges for Non‑Firm Point‑To‑Point Transmission Service are described below. Section 2.7 of this Tariff contains the billing and settlement terms and identifies which customers are responsible for paying each of the charges. Charges are based on actual transmission use with billing units measured in MWh.
Hourly Real‑Time Marginal Losses Cost is calculated as follows:
(RTMLCDP ‑ RTMLCRP)
Where:
RTMLCDP is the Marginal Losses Component of the Real‑Time LBMP measured at the Delivery Point identified in the Transmission Service schedule. The Real‑Time LBMP is calculated in accordance with Attachment J.
RTMLCRP is the Marginal Losses Component of the Real‑Time LBMP measured at the Receipt Point identified in the Transmission Service schedule. The Real‑Time LBMP is calculated in accordance with Attachment J.
The Wholesale Transmission Service Charge (in $) is calculated as follows:
Where:
Scheduled Amount is the quantity of MWh scheduled in each hour for that month for Non‑Firm Point‑To‑Point Transmission Service by the Transmission Customer.
WTSC Rate is the Wholesale Transmission Service Charge Rate or combination of rates that applies to the Transmission Customer's Transmission Service as determined in Attachment H.
WTSC = Actual Energy Withdrawals x WTSC Rate
Where:
Actual MWh Withdrawal is the quantity of MWh withdrawn at the Point of Delivery identified in the Transmission Customer's Transmission Service schedule, in an hour. The amount shall be determined by (l) measurement with a revenue‑quality meter; (2) assessment in accordance with a Transmission Owner's PSC‑approved retail access program or LIPA's lawfully established retail access program where the customer’s demand is not measured by a revenue‑quality meter; or (3) using a method agreed to by the customer and the applicable Transmission Owner until such time as a revenue‑quality meter is available.
The rates and charges for retail transmission service are described in Section 5 of this Tariff.
LSEs serving retail access load will be charged an NTAC consistent with each Transmission Owner's retal access program pursuant to Section 2.7 of this Tariff. The Transmission Customer shall pay to the ISO each month the NTAC. NTAC (in $) is calculated as follows:
NTAC = Scheduled Amount x NTAC Rate
Where:
NTAC Rate is the rate listed and described in Attachment H.
Scheduled Amount is the amount of MWh scheduled in each hour for that month for Non‑Firm Point‑To‑Point Transmission Service by the Transmission Customer.
NTAC = Actual MWh Withdrawals x NTAC Rate
Where:
NTAC Rate is the rate listed and described in Attachment H.
Actual MWh Withdrawal is the quantity of MWh withdrawn at the Point of Delivery identified in the Transmission Customer’s Transmission Service schedule, in an hour. The amount shall be determined by (1) measurement with a revenue‑quality real‑time meter; (2) assessment in accordance with a Transmission Owner’s PSC‑approved retail access program or LIPA’s lawfully established retail access program where the customer’s demand is not measured by a revenue‑quality real‑time meter; or (3) using a method agreed to by the customer and the applicable Transmission Owner until such time as a revenue‑quality real‑time meter is available.
The rates and rules governing charges and discounts stated above shall not apply to resales of transmission service, compensation for which shall be governed by Section 23.1 of the Tariff.
Effective Date: 6/30/2010 - Docket #: ER10-1657-000 - Page 1