IESO monthly market summaries have been updated with a graph containing total Global Adjustment by components. Monthly reports are typically released in the middle of the following month. http://www.ieso.ca/Pages/Power-Data/Market-Summaries-Archive.aspx.
Want to see if game day affects Ontario demand? The IESO’s homepage provides Ontario’s hourly demand, the next hour’s projected demand and the day’s projected peak. Go Jays Go!
http://www.ieso.ca/.