Home > Market Operations > Settlements

Quick and accurate settlements help markets function

Settlements are the calculation, billing, and invoicing of charges and payments for market and transmission-related activities between market participants and the ISO. The settlement cycle follows a specific timeline and processes for publication of statements, invoices and payment advices, dispute submittals and payments.  

Market and administrative charges

Many specific charge type categories are used within ISO settlements and invoice processes according to a Market Participant's involvement in the ISO Markets.

Credit Policy

This policy contains details of the credit-related tariff provisions and scheduling coordinator security postings requirements. 

Settlements technical documentation

Settlements and Market Clearing is the application that allows the ISO to calculate settlements and prepare and issue billing statements and invoices.

Settlements and market clearing user group

These meetings provide updates on current ISO initiatives and activities affecting the settlement and invoicing processes and enable participants to give input and ask questions.

Retroactive Settlements

Dispute processes 

We provide guidance for submitting timely, valid and effective disputes with adequate supporting information. 

Reliability Must Run Settlements

Settlement information for the annual agreements between the ISO and qualified generators.