Various: The Canadian province of Ontario, keen to get more of its electricity from renewable energy sources, said on Monday it would spend C$2.3 billion ($2.1 billion) over the next three years to expand and upgrade its power transmission network. “Enhancing our transmission grid is critical to taking advantage of green energy,” said George Smitherman, Ontario’s minister of energy and infrastructure. “Resources like wind and hydro aren’t often where the people are, and this plan will …