In countries using only intermittent renewable, we get news articles in the exceptional event that the grid did not need much fossil fuel generation for a day.

In countries using only intermittent renewable, we get news articles in the exceptional event that the grid did not need much fossil fuel generation for a day. In France, we get those in the exceptional event that we need more than a little fossil generation for a day. It's expensive, but seems to actually work at removing fossil generation from the grid almost completely. Negative prices meant the grid is inefficient to me; that's not a good thing. When you build a factory you want it operating as much as possible, otherwise ROI falls. That's worth more than a few plants.