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Administrative Pricing Notifications

May 30, 2025

Prices Administered and Reports Republished for May 30 to June 1, 2025

The IESO initiated a review of market results for the following Hours and Intervals for trade dates May 30 - June 1, 2025. As a result of the review, the prices for the following Hours and Intervals were administered:

DELIVERY DATE

DELIVERY HOUR

INTERVAL

5/30/2025

16

3

5/30/2025

18

3

5/30/2025

23

4

5/30/2025

24

3

5/31/2025

16

2

6/1/2025

23

8

6/1/2025

24

4

Accordingly, the following reports have been updated in accordance with the market rules:

Realtime 5-Min Virtual Zonal Energy Price Report
Realtime 5-Min Intertie Energy LMP Report
Realtime 5-Min Intertie Operating Reserve LMP Report
Realtime 5-Min Ontario Zonal Energy Price Report
Realtime 5-Min Operating Reserve LMP Report
Realtime 5-Min Energy LMP Report

For more information, please contact us at IESOCustomerRelations@ieso.ca.