I'll make just a brief comment.
Yes, we spend about $1 billion a year. About $400 million of that is for sustainment infrastructure on existing assets in the ground. Given the growth we've had in the province over the last decade, about $500 million of that is to deal with growth: connecting new customers, adding new line capacity, and adding new generation capacity. We also have about $100 million tagged for what we call “strategic investment options”, whether that's new buildings, IT systems, or other technology platforms.
With respect to modernizing the grid, I'm going to turn it over to Tim to explain what we're doing in that area.