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News and Notices

A key part of the IESO's mandate is to ensure that market participants, interested stakeholders and the general public are informed of key issues and activities central to the evolution and operation of Ontario's wholesale electricity market.

All IESO email communications since the market opened in 2002 are catalogued on this page. Communications are organized into several main subject areas accessible through the drop down list below.

The IESO publishes a weekly bulletin that is sent to all subscribers each Thursday. The IESO Bulletin consolidates important news, notices, updates and upcoming events into one email. In addition to the weekly bulletin, urgent or time-sensitive communications are delivered on an as-needed basis and sent to the appropriate contact lists.

To receive the IESO bulletin or other IESO notices, please click here to subscribe.



Select News Category:

Most Recent 25
2 Sep 2010  Ontario's Installed Generation Capacity Updated
2 Sep 2010  Change to Transmission Rights Auction Reports
2 Sep 2010  Planned IT Outages
31 Aug 2010  Estimated Global Adjustment (GA) for August 2010
31 Aug 2010  Fixed Global Adjustment (GA) Rate for September 2010 Distributor Billing
27 Aug 2010  IESO Board Approves Urgent Rule Amendment to Temporarily Suspend CMSC for Constrained Off Dispatchable Loads
26 Aug 2010  Electronic Outage Submission Form Implementation Delay
26 Aug 2010  Preliminary Plan for Release 24.1 of IESO System Changes
26 Aug 2010  Planned IT Outages
23 Aug 2010  New Electricity Supply Supports Coal Phase-Out in Ontario
19 Aug 2010  Deadline for Generator and Transmitter Requirements for Reliability Assessments
19 Aug 2010  Technical Panel Recommendation and Determinations
19 Aug 2010  Materials for August 25 Stakeholder Advisory Committee Meeting Now Available
19 Aug 2010  Stakeholder Engagement Quarterly Update Now Available
19 Aug 2010  Ontario Communities Power Down for Megawatt Reduction Challenge
19 Aug 2010  New Member Appointed to IESO Board
19 Aug 2010  Planned IT Outages
16 Aug 2010  Ontario Communities Power Down for Megawatt Reduction Challenge
12 Aug 2010  Technical Conference on Loop Flows, September 27
12 Aug 2010  Planned IT Outages
5 Aug 2010  Agenda for Stakeholder Advisory Committee Meeting, August 25
5 Aug 2010  July 2010 Pricing Events
5 Aug 2010  NERC Reliability Standard Interpretation for OEB Remand Process Review
5 Aug 2010  Instructions for LDCs: August 11 Power Pledge Community Challenge
5 Aug 2010  Planned IT Outages
 
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