All planned IT system outages are posted as soon as they are scheduled. Participants can view outage notification details for the same day, as well as outages planned in the future.
Participants can also view information about outages that occurred in the past 60 days by selecting Archive in the table below.
Planned Outages for 27 Jan 2021
Outage Times | Systems | Description |
---|---|---|
There are no scheduled outages. |
Future Outages
Past Outages
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Outage Times | Systems | Description |
---|---|---|
February 1, 2021 | ||
07:30 - 07:35 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
12:30 - 12:35 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
February 2, 2021 | ||
10:00 - 12:00 EST | Sandbox IESO Reports Site | Testing on the Sandbox Report site will be unavailable |
February 24, 2021 | ||
13:15 - 17:30 EST | Day-Ahead Optimization System (DAOS) |
The Eligible Energy Limited Resource Optimization (EELR) run of the Day-Ahead Commitment Process (DACP) DAOS will not occur:
|
13:15 - 13:45 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
14:00 - 14:10 EST | IESO Reports Site | The Predispatch report will not be published. |
13:15 - 13:45 EST | IESO Reports Site |
Confidential Report publication will be delayed. Public Report publication will be delayed. |
Outage Times | Date | Description |
---|---|---|
Dispatch Service | ||
07:30 - 07:35 EST | February 1, 2021 | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
12:30 - 12:35 EST | February 1, 2021 | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
13:15 - 13:45 EST | February 24, 2021 | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
Sandbox IESO Reports Site | ||
10:00 - 12:00 EST | February 2, 2021 | Testing on the Sandbox Report site will be unavailable |
Day-Ahead Optimization System (DAOS) | ||
13:15 - 17:30 EST | February 24, 2021 |
The Eligible Energy Limited Resource Optimization (EELR) run of the Day-Ahead Commitment Process (DACP) DAOS will not occur:
|
IESO Reports Site | ||
14:00 - 14:10 EST | February 24, 2021 | The Predispatch report will not be published. |
13:15 - 13:45 EST | February 24, 2021 |
Confidential Report publication will be delayed. Public Report publication will be delayed. |
Outage Times | Systems | Description |
---|---|---|
January 20, 2021 | ||
13:15 - 13:45 EST | IESO Reports Site |
Confidential Report publication will be delayed. Public Report publication will be delayed. |
13:15 - 17:30 EST | Day-Ahead Optimization System (DAOS) |
The Eligible Energy Limited Resource Optimization (EELR) run of the Day-Ahead Commitment Process (DACP) DAOS will not occur:
|
13:15 - 13:45 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
14:00 - 14:10 EST | Report Site | The Predispatch report will not be published. |
January 18, 2021 | ||
09:00 - 10:00 EST | Sandbox System and Applications | Sandbox systems used for participant testing of IESO applications, including the IESO Sandbox Portal, Sandbox Reports Site, Sandbox EMI, and Sandbox Online IESO, will be unavailable. |
January 10, 2021 | ||
20:00 - 22:00 EST | Online IESO |
Due to planned outage Online IESO will not be available. This includes the following applications:
|
December 17, 2020 | ||
15:15 - 15:20 EST | IESO Website | Market data such as Demand, Supply and Price will not be updated on the Home Page or the Power Data Page. RSS feeds such as Advisory Notices and DACP notifications will not be updated in the Sector Participants section. |
15:40 - 15:45 EST | IESO Website | Market data such as Demand, Supply and Price will not be updated on the Home Page or the Power Data Page. RSS feeds such as Advisory Notices and DACP notifications will not be updated in the Sector Participants section. |
December 10, 2020 | ||
12:15 - 16:30 EST | Day-Ahead Optimization System (DAOS) |
The Eligible Energy Limited Resource Optimization (EELR) run of the Day-Ahead Commitment Process (DACP) DAOS will not occur:
|
12:15 - 14:15 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
12:45 - 12: 55 EST | EMI | EMI application used to submit bids, offers, schedules and forecast will be unavailable.EMI API application used to submit bids, offers, schedules and forecast will be unavailable. |
12:15 - 14:15 EST | IESO Reports Site | Public Report publication will be delayed.Confidential Report publication will be delayed. |
December 9, 2020 | ||
13:15 - 13:45 EST | IESO Reports Site |
Confidential Report publication will be delayed. Public Report publication will be delayed. |
13:15 - 17:30 EST | Day-Ahead Optimization System (DAOS) |
The Eligible Energy Limited Resource Optimization (EELR) run of the Day-Ahead Commitment Process (DACP) DAOS will not occur:
|
13:15 - 13:45 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
14:00 - 14:10 EST | IESO Reports Site | The Predispatch report will not be published. |
December 7, 2020 | ||
10:30 - 11:00 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
November 30, 2020 | ||
08:10 - 08:20 EST | IESO Portal | Prudential Manager used to monitor and retrieve prudential information will be unavailable |
November 29, 2020 | ||
20:00 - 22:00 EST | Online IESO |
Due to planned outage Online IESO will not be available. This includes the following applications:
|
November 27, 2020 | ||
10:25 - 10:35 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
11:35 - 11:45 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
November 17, 2020 | ||
08:05 - 08:10 EST | Sandbox Portal |
IESO Sandbox Portal and testing for the the following applications will be unavailable:
|
November 12, 2020 | ||
19:35 - 19:40 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
November 11, 2020 | ||
13:15 - 13:45 EST | Report Site |
Confidential Report publication will be delayed. Public Report publication will be delayed. |
13:15 - 17:30 EST | Day-Ahead Optimization System (DAOS) |
The Eligible Energy Limited Resource Optimization (EELR) run of the Day-Ahead Commitment Process (DACP) DAOS will not occur:
|
13:15 - 13:45 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
14:00 - 14:10 EST | IESO Reports Site | The Predispatch report will not be published. |
November 9, 2020 | ||
19:40 - 19:45 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
21:40 - 21:45 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
November 6, 2020 | ||
09:20 - 09:25 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
15:20 - 15:25 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
November 2, 2020 | ||
13:40 - 13:45 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
14:20 - 14:25 EST | Dispatch Service | Automated dispatch instructions sent via Dispatch Service will be unavailable. The IESO will manually dispatch by phone as necessary. The Dispatch Service Web UI users may get disconnected and will need to login and verify connected after the outage. |
November 1, 2020 | ||
20:00 - 22:00 EST | Online IESO |
Due to planned outage Online IESO will not be available. This includes the following applications:
|