Here's a post by Parker Gallant about Ontario losing money on exports of electricity:
"In January Ontario exported 2,043,768 megawatts
(MWh) and for an average price of $29.55 per/MWh while Ontario
electricity customers picked up the additional costs of the Global
Adjustment pot of $50.68 per MWh.
The sale of that surplus (enough to supply about 2.5 million Ontario
homes with power for the whole month) represented 15.6% of Ontario’s
total demand. It resulted $58.5 million in revenue but cost Ontario electricity ratepayers $164 million."
Generally January is usually a low Global Adjustment month for Ontario, as electricity demand is usually high (space heaters and the like I would assume due to the cold) and more closely matches supply (especially wind, although solar production is also very weak in January). I haven't been checking the Global Adjustment numbers lately, but I should start again. A month like March with high average wind and low demand could be especially bad.
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