10s of billions of dollars of costs have been uploaded from the electricity wholesalers to taxpayers in Ontario. Excluding those makes Ontario numbers misleading.
Talk to Mike Harris about privatizing stuff in Ontario: there's no reason why Ontario Hydro could not have been kept 100% in public hands and the debt serviced 'internally' instead of being assigned to OEFC.
At the end of the day it's still electrical rate payers paying the bill. (Just like ratepayers are paying for the failed experiment of McGuinty's Energy Green Act: what's the cost of that?)
As it stands all current nuclear refurbishments are being done with commercial rates, as is dealing with nuclear waste (per the NFWA).