"...Ontario’s power generation sector is a curious target for environmentalists, given that it is 94 per cent emissions free and produces only three per cent of the province’s greenhouse gas emissions. Ontario produces 81 per cent fewer carbon emissions per kilowatt hour than the rest of Canada. That’s due to the phase-out of coal plants under the former Liberal government. That move reduced the power sector’s emissions from 21 per cent of the overall amount, even if Ontarians did pay a steep premium for every part of it.
Some of that progress will be lost over this decade because the aging Pickering nuclear reactor is being phased out, reducing generation capacity by 14 per cent. Other reactors are up for refurbishment, meaning the province will have to rely more on natural gas for power generation. As a result, electricity system emissions will rise from an average of 4.4 megatonnes to between 10.9 and 12.2 megatonnes in 2030, the province’s Independent Electricity System operator estimates. That’s still only one-third what they were in 2005..."
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