Toronto Is Backing Up Its Electric Grid With Big Air Bags At The Bottom Of Lake Ontario
A local startup has developed technology that can help speed up the adoption of renewables.
Deep in Lake Ontario is an insurance policy for Toronto's electricity grid. On normal days, it has all the power it needs. It's only when something goes wrong, or the grid needs an extra boost, that the city utility might call upon the facility, which stores one megawatt of power in the form of compressed air.