Global Adjustment Estimates and Actual Rates The 1st and 2nd GA rate estimates and actual GA rates for Class B customers are posted below in $/MWh.

All electricity customers in Ontario pay a Global Adjustment (GA), which covers the cost of building new electricity infrastructure in the province, regulated rates paid to electricity …

Actual Global Adjustment Components The three values below represent the main components of the total monthly global adjustment costs used by the IESO to calculate the monthly Class B …

Global adjustment covers the difference between the total payments made to certain contracted or regulated generators, conservation programs, and any offsetting market revenues. The GA …

3 days ago · Disclaimer: As of October 06, 2025, the IESO has changed the length of time for finalizing data in the ICI Peak tracker to 5 business days, instead of formerly 3 business days, …

Customers who are eligible and participate in the Industrial Conservation Initiative (ICI) are referred to as Class A customers and they pay their share of global adjustment (GA) based on …

Name Last modified Size Description Parent Directory - PUB_GlobalAdjustment_202505_v3.xml 13-Jun-2025 14:32 920 Global Adjustment Report PUB_GlobalAdjustment_202505.xml 13 …

PURPOSE : This report provides 1st estimated, 2nd estimated and actual Global Adjustment (GA) rates for Class B consumers in Ontario for a given month. The report will be named as …

Learn about the IESO, Ontario's power system, how the electricity market works and what consumers can do to use electricity more efficiently.

The IESO has launched a South and Central Bulk Planning engagement to actively involve stakeholders and communities in shaping the future of Ontario's transmission system. The …