Billing & Settlements
Banking & Billing Info
Please submit banking information or billing contact changes to the NYISO Finance Department at:
E-mail: KDecarlo@nyiso.com
Fax: 518.356.7583
Disputes/Electronic Funds
Per the ISO Services Tariff, any disputed amounts are to be paid in full. Upon resolution of the dispute, if it is determined that an overpayment has been made by the customer, a refund, with interest, will be made by the NYISO. For questions regarding electronic funds transfer or payment procedures, call 518.356.6187
All Other Inquiries
For all other Billing Inquries, Questions or Comments please contact the NYISO Customer Support Team:
By Sending An Email To:
Market_Services@nyiso.com
By Calling Customer Support At: 518.356.6060*
*All calls to the Customer Relations Help Desk are recored for quality assurance
Customer Settlements Interface Login
Select the link below to login to the Customer Settlements Interface Application. Please Note: You will need a digital certificate to access this application.

