Cheap wind power is making dams more valuable as a ‘battery’

Categories: News
Published on: February 8, 2021

CBC News / Don Pittis / 8 February 2021

The cost of wind and solar power have fallen so much over the last decade that they are much cheaper than building new hydroelectric dams — “The cost declines have been astounding,” said Carlson — but they have the disadvantage of being intermittent.

“The sun doesn’t shine at night,” he said someone always tells him on Twitter when he mentions solar’s cost advantages, “As if I weren’t aware of that.”

The advantage of combining less-expensive intermittent power with Quebec’s existing system of hydroelectric power dams is that it allows the power utility to use up the cheap wind power as it is produced while the water behind the dams is retained, at the ready.

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