Not true. Here’s in ND we have warnings of rolling outages. There is no abundance of wind power when a bitter cold polar vortex settles in, because the wind stops blowing. And even if there was wind, the wind turbines shut down at -20 or so and draw power from the grid to stay warm. Read up on the polar vortex of 2019.
2019 was the first time I saw light weight gear box oil turn to peanut butter.
This keeps up and we will be looking at a different design philosophy for a lot of things