IESO Settlements

The IESO is at the centre of Ontario's electricity market, clearing more than $13 billion in settlement amounts and financial allocations in 2005. It reconciles the market by collecting funds from buyers and transferring funds to sellers, collecting transmission tariffs, as well as settling the transmission rights market. Here you will find information and topics related to IESO settlements to help your business needs.

• Global adjustment – Find the latest global adjustment rates and background information.
• OPG rebate – Get the latest estimated rebate rate and background information.
• Day Ahead Commitment Process (DACP) – Access the latest market participant information on DACP settlement charges.
• Rebates Backgrounder - IESO fee reduction, refund on IESO accumulated surplus, disbursement from transmission rights clearing account

• LDC Classification of IESO Wholesale Market Service Charge Type to the Uniform System of Accounts (USoA).
• Latest Communications – Keep up-to-date on with the latest settlement communications issued by the IESO. If you are a market participant, join our settlements distribution list.
• Settlements Training – Gain a broader understanding of IESO settlements and check out our training guides, recorded presentations or in-class training sessions.
• Settlements Calendars – Keep track of important dates for when preliminary and final settlement statements are issued, deadlines for submitting notice of disagreements, and release of invoices.
• Settlements Audit Report – Learn about control procedures used by the IESO that makeup our efficient settlement tools and processes.
• Settlement Specifications – Find technical specifications to help you understand settlement specifications including equations for charge types, interpreting settlement statements, or using the workflow tool used for notice of disagreements or meter trouble reports.
• IESO Charge Types and Equations – Understand how the different charge types and equations are calculated.
• IESO Reports Site – Learn how you may access your statements and invoices from the IESO reports site, without using a digital certificate.
• Hourly Uplift Charge – Find answers on how the hourly uplift charge is determined
• Variations used in the hourly uplift charge estimate
• Market Rules and Manuals – See market rules chapter 6, "Wholesale Metering" and chapter 9, "Settlements and Billing" as well as the corresponding metering manual 3.0 and settlements manual 5.0 for detailed reference to settlement operations in the IESO administered market.
• Market Manual 3: Metering - Overview
• LDC Forms – Access key forms related to reporting requirements for local distribution companies.