A plan to create a more reliable electricity grid in Toronto has come unstuck after the Ontario Power Authority (OPA) rejected the latest proposals to build three cogeneration plants to service the city.

The OPA wanted to add 300 MW in total to the grid in Southern Ontario, but doubt had been expressed that Toronto’s aging infrastructure could have handled the extra load, according to a report in the Toronto Star.

A spokesperson for the power authority would only say in an email that the proposals, at Redpath Sugar on the waterfront, Atlantic Packaging in Scarborough and GM in Oshawa, didn’t meet “the necessary criteria.”

The OPA is still in the process of considering submissions for smaller cogeneration plants of 20 MW or less.

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