Service and Rate Information


New York
NYISO Tariffs
NYISO Manual for Transmission Services—Capacity Benefit Margin (CBM) (pdf)
NYISO Manual for Transmission Services—Total Transfer Capability (TTC) (pdf)
NYISO Manual for Transmission Services—Transmission Reliability Margin (TRM) (pdf)
NYISO Manual for Transmission Services—Available Transfer Capability (ATC) (pdf)

If you have any questions please contact TCS@us.ngrid.com

New England
ISO NE Transmission, Markets and Services Tariff
Summary of Transmission Rates
Procedure and Application for Generator Interconnections
Procedure and Application for Local Transmission Service
Procedure and Application for Phase I/II HVDC-TF Service
Point to Point Service
Capacity Reassignment Application
OASIS User Registration Information

If you have any questions please contact TCS@us.ngrid.com