Billing and Settlements - 3-Div Web Content

Banking & Billing Info

Please submit banking information or billing contact changes to the NYISO Finance Department at:


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 Inquiries, Questions or Comments please contact the NYISO Customer Support Team:


Stakeholder Services:

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