Friday November 23rd saw a record 36,423MWh of production from the industrial wind turbines on the IESO controlled grid.
The day ended with a weighted average Hourly Ontario Energy Price (HOEP) a negative $5.76 (estimated) - which would value the loss on exporting at ~$279 thousand.
The wind output on the 23rd was 16 times greater than the wind production 3 days earlier, on the 20th.
We didn't pay to export power on the 20th.