I can speak about two from my particular experience.
When we built the Jean Canfield Building in Charlottetown, at the time it had Canada's largest photovoltaic array installed on the roof. It is also hooked up to a district energy heating system, which is part of the leadership Canada needs to pursue as a leader.
We've also installed wind turbines next to RCMP detachments in certain parts of Nova Scotia where the wind is a very green and readily available resource. That is a feed-in capacity. When the wind is generating that turbine, for a fairly small detachment—when you consider the nature of your question—we actually do diminish the metre and can actually turn it backwards, depending on the day.
Those are the kinds of examples I've seen from personal experience in terms of improving.