They are - in fact, I would bet that they have already made back their investment, even before the movie is released. They absolutely had to make back their investment as part of the deal - when was the last time any Government gave anything away for free or because "it was the right thing to do"? :)
I'm guessing the reason why TJ was filmed mostly in Alberta was part of the Passchendaele deal as well. But I do tend to be overly cynical about the juxtaposition between politics and finance, so I could be wrong.