OATT- Schedule 8 TOUT

What is OATT Schedule 8 TOUT?

Transmission service over the Pool Transmission Facilities (PTF), provided by the ISO with respect to a transaction that goes through the New England Control Area or a transaction which originates at a point on the PTF and flows over the PTF and out of the New England Control Area.
Through or Out Service (TOUT) is provided in one hour increments in conjunction with Real-Time External Transactions scheduled in the Real-Time Energy Market.

In what document(s) do I find details about OATT Schedule 8 TOUT Service?

Primary provisions for the settlement of TOUT Service are located in Schedule 8 of the ISO New England Open Access Transmission Tariff (OATT). Other sections of the OATT including, but not limited to, Section II.C of the OATT (Through or Out Service; MTF Service, OTF Service), are also applicable.

Who can expect to incur an OATT Schedule 8 TOUT Credit or Charge?


Transmission Owners (TOs)

OATT Schedule 8 TOUT Service payments are allocated pro-rata to the TOs based on their MW-mile flow distribution factor percentage.


Transmission Customers who have requested TOUT Service from ISO New England are charged. TOUT Service charges are incurred based on the MW of Reserved Transmission Capacity as submitted to the Open Access Same Time Information System (OASIS).
OATT Schedule 8 TOUT Service charges are based upon MW of Reserved Transmission Capacity for any customer that is taking TOUT Service at the Participating Transmission Owners Administrative Committee (PTO-AC) approved rate ($/kW-hr) determined annually and effective June 1 through May 31.

Related Standard Settlements


Related Billing Adjustments


Bill Detail

The monthly bill contains a single line item netting charges and credits entitled “OATT Schedule 8 TOUT”.


For settlements post 10/1/2010:

Tariff-Monthly OATT Schedule 8 Through or Out Service(TOUT) Settlement

Summarized in the monthly MIS Report issued one month in arrears of the settlement obligation month.

Related Calculation Summary

OATT Schedule 8 TOUT Calculation Summary

For settlements prior to 10/1/2010:
See Reports section of OATT- Through or Out Service

Daily Financial Position Report

Daily financial position including all market service settlements and miscellaneous billing adjustments generated on a daily basis; and, issued to all active customers registered as a Participant or Non-Participant.



Additional Related Materials

ISO News Issue 191 - ISO New England to Release New Daily Financial Position Report

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