Actually, wind accounts for 15.7% of power in Texas, and 17.4% of the power used by ERCOT, which is where the issue is. (Some areas, including El Paso and parts of the panhandle, use a different power grid.) The state uses more wind energy as a percent than any other.
en.wikipedia.org
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There are 2 big issues at play. 1) the tremendous demand on electricity due to the weather - record breaking. The primary contributor is electric heat, which is the norm in apartments here (it's cheap and easy to install, and doesn't get used much). However, there have been a rising number of 'all electric' 'green' homes - discovering that the electricity isn't as efficient as gas in cold weather. 2) About 25 % of the generating capacity is offline. Wind is a big part of that - you can't run turbines in extreme cold, or when blades are coated with ice. Solar also doesn't work when panels are coated with freezing rain. True - there were other issues. A nuclear plant went off line. Some other plants ran into issue as well. Also several coal plants - normally very reliable for reserve capacity, have been decommissioned.
It's not 'wind's fault' - but to say it wasn't a key contributor is foolish. This highlights the need to understand the limitations of any technology.