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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 by email click here or subscribe to the RSS feed. Subscribe to the IESO News RSS feed



Select News Category:

Most Recent 25
2 Feb 2012  NERC Reliability Standards Available for Review
2 Feb 2012  Reminder: Routine Voltage Reduction Test on February 7
2 Feb 2012  January 2012 Pricing Events
2 Feb 2012  Planned IT Outages
27 Jan 2012  Notice of System Test
26 Jan 2012  SE-94 Export Transmission Service Tariff Study Meeting Notes Posted for Comment
26 Jan 2012  Updated Loss Penalty Factors to be Implemented on February 25
26 Jan 2012  IESO Market Manual 7.9 for Baseline 27.0 Available for Review
26 Jan 2012  GWC Calculation Item Removed From Release 27.0 for IESO IT System Changes
26 Jan 2012  Planned IT Outages
19 Jan 2012  Technical Panel Recommends Four Rule Amendments to the IESO Board
19 Jan 2012  Electricity Market Forum Completes Work
19 Jan 2012  Final Plan for Release 27.0 of IESO IT System Changes
19 Jan 2012  Reminder: Routine Voltage Reduction Test on February 7
19 Jan 2012  Planned IT Outages
12 Jan 2012  Paul Murphy Speaks to OEN on Managing Change in the Electricity Sector
12 Jan 2012  Natural Gas Sector Representative Sought for IESO Technical Panel
12 Jan 2012  Routine Voltage Reduction Test Planned for February 7
12 Jan 2012  Changes to IESO Documents for Baseline 27.0 Available for Review
12 Jan 2012  Revised IESO Certification Form for NERC Standard Posted for Comment
12 Jan 2012  Market Participant Requests Exemption to Market Rule
12 Jan 2012  Planned IT Outages
6 Jan 2012  Composition of Ontario's Electricity Supply Mix Continues to Change: Consumer Response Supports Reliability
5 Jan 2012  Floor Price Focus Group (SE-91) Meeting Set for January 24
5 Jan 2012  Changes to Ontario's Installed Generation Capacity
 
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