Ontario Premier Dalton McGuinty has resigned as the premier and leader of the Liberal party, amid a scandal over cancelled power plants in Oakville and Mississauga.

Alberta Premier Alison Redford issued a statement following the resignation, saying that she was surprised by the news.

“Premier McGuinty served the people of Ontario well for sixteen years as a statesman, a fierce defender of his province and a leader in confederation," she said.

"Our most recent conversations focused on Alberta and Ontario’s partnership and a shared interest in the growth and prosperity of Canada," she said, adding that she considered McGuinty a valuable colleague and a friend and had benefited from his views and opinions over the past year.

The resignation also came as a surprise for some Canadians, as McGuinty announced that it was time for "renewal" and new blood.

"I thank you for the honour of serving as your Leader and your Premier," he said, "In Ontario, the greatest province in the best country in the world."

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  • <a href="http://www.angus-reid.com/wp-content/uploads/2012/09/2012.09.10_Premiers_CAN.pdf" target="_hplink">Angus Reid Public Opinion surveyed 6,657 Canadian adults</a> from August 21 to August 27, 2012. The margin of error is +/- 1.2 per cent, 19 times out of 20.

  • Brad Wall - Net Approval +38

    Approve: 66 per cent Disapprove: 28 per cent Not Sure: 6 per cent

  • Alison Redford - Net Approval +18

    Approve: 55 per cent Disapprove: 37 per cent Not Sure: 8 per cent

  • Greg Selinger - Net Approval +7

    Approve: 48 per cent Disapprove: 41 per cent Not Sure: 10 per cent

  • David Alward - Net Approval +3

    Approve: 47 per cent Disapprove: 44 per cent Not Sure: 10 per cent

  • Kathy Dunderdale - Net Approval -15

    Approve: 39 per cent Disapprove: 54 per cent Not Sure: 8 per cent

  • Dalton McGuinty - Net Approval -28

    Approve: 32 per cent Disapprove: 60 per cent Not Sure: 9 per cent

  • Jean Charest (Outgoing) - Net Approval -32

    Approve: 32 per cent Disapprove: 64 per cent Not Sure: 3 per cent

  • Christy Clark - Net Approval -36

    Approve: 28 per cent Disapprove: 64 per cent Not Sure: 8 per cent

  • Darrell Dexter - Net Approval -41

    Approve: 26 per cent Disapprove: 67 per cent Not Sure: 8 per cent