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2015 IT Release Calendar

​IT changes are implemented through a series of scheduled releases, which are published in advance on the Release Calendar. The timing of releases is intended to ensure that market participants are given sufficient notice of changes that affect them and an opportunity to provide feedback to the IESO. For more information about the IT Release process, please visit Pending IT Service Changes


Last Updated: September 30, 2015

Release ID

R 32.1

R 33.0

R 33.1

R 34.0

R 34.1

Release Category

Category 2

Category 3
(inc. Cat 2)

Category 2

Category 3
(inc. Cat 2)

Category 2

Real Time Production Build

3-Dec-2014

4-Mar-2015

3-Jun-2015

9-Sep-2015

2-Dec-2015

1

Preliminary Release Plan Prepared

20-Aug-14

19-Nov-14

18-Feb-15

27-May-15

19-Aug-15

2

Market Participant Feedback Period Ends
(Market Facing Only)

3-Sep-14

3-Dec-14

4-Mar-15

10-Jun-15

2-Sep-15

3

IT Standing Committee Meeting

9-Sep-14

1-Dec-14

3-Mar-15

2-Jun-15

8-Sep-15

4

Target Release Plan

17-Sep-14

10-Dec-14

18-Mar-15

24-Jun-15

16-Sep-15

5

Final Release Plan

15-Oct-14

14-Jan-15

15-Apr-15

15-Jul-15

14-Oct-15

6

Sandbox Implementation

23-Oct-14

22-Jan-15

23-Apr-15

30-Jul-15

22-Oct-15

7

Participant Notification

12-Nov-14

13-Feb-15

15-May-15

21-Aug-15

13-Nov-15

8

Notification for Production Implementation

21-Nov-14

20-Feb-15

22-May-15

28-Aug-15

20-Nov-15

9(a)

Production Build (Non Real Time)

29-Nov-14

28-Feb-15

30-May-15

5-Sep-15

28-Nov-15

9(b)

Production Build (Real Time)

3-Dec-14

4-Mar-15

3-Jun-15

9-Sep-15

2-Dec-15