> This week’s price spikes also underscore how dependent the region’s power grid has become on wind farms, which now make up about a quarter of the generation c

> This week’s price spikes also underscore how dependent the region’s power grid has become on wind farms, which now make up about a quarter of the generation capacity in Texas. Lackluster breezes have contributed to the higher prices, Hehir said. > Wind power generation in the region has plunged for three straight days, grid data compiled by Bloomberg show. This happened in Australia earlier in the year. It's going to keep on happening, as long as the industry fails to account for the variance in output by wind power.