https://iesoqa-public.sharepoint.com/Pages/News/Day_1-34_Advisory_Notices_Summary.aspx IESO Day 1-34 System Advisory Messages Wed, 01 Jul 2026 12:12 EST http://www.ieso.ca/SiteAssets/ieso-logo.gif http://www.ieso.ca en-us Copyright 2016 http://www.ieso.ca/sector-participants/rss-feeds/day-1-to-34-advisory-notices-summary/advisory-notice?cid=B8DAF6E5-C2B6-434F-BD53-C90FE57CD1D8&rid=11046356 Interruptible Rate Pilot Long-Notice Event Wed, 01 Jul 2026 12:12 EST 11046356 256547 1 Interruptible Rate Pilot Long-Notice Event A Long-Notice Event will be taking place as part of the Interruptible Rate Pilot. In accordance with the Interruption Obligation, Pilot Participants are to reduce the participating facility's demand to no greater than their Contract Demand. Thu, 02 Jul 2026 12:00 EST Thu, 02 Jul 2026 15:00 EST Wed, 01 Jul 2026 12:12 EST Wed, 01 Jul 2026 12:12 EST Alert http://www.ieso.ca/sector-participants/rss-feeds/day-1-to-34-advisory-notices-summary/advisory-notice?cid=B8DAF6E5-C2B6-434F-BD53-C90FE57CD1D8&rid=11046323 Day-Ahead - Save on Energy DR Scheduled Wed, 01 Jul 2026 07:47 EST 11046323 256544 1 Day-Ahead - Save on Energy DR Scheduled Demand Response Programs totaling 261 MWs have been scheduled. The Ontario Demand Forecast has been adjusted over the activation period. Thu, 02 Jul 2026 11:00 EST Thu, 02 Jul 2026 14:00 EST Wed, 01 Jul 2026 07:47 EST Wed, 01 Jul 2026 07:47 EST Action http://www.ieso.ca/sector-participants/rss-feeds/day-1-to-34-advisory-notices-summary/advisory-notice?cid=B8DAF6E5-C2B6-434F-BD53-C90FE57CD1D8&rid=11021680 Conservative Operating State Mon, 29 Jun 2026 14:58 EST 11021680 256487 1 Conservative Operating State The IESO has declared a Conservative Operating State due to extreme heat. The IESO may take actions to recall outages or suspend switching to maintain reliability. Tue, 30 Jun 2026 12:00 EST Fri, 03 Jul 2026 22:00 EST Mon, 29 Jun 2026 14:58 EST Mon, 29 Jun 2026 14:58 EST Action