Yearly averages are probably the most sensible to look at. Wind is at 20% which is still nothing to sneeze at:

> According to ERCOT, nearly half of Texas’ electricity was generated by natural gas-fired power plants in 2019. Coal-fired plants and wind power each generated about 20 percent, while the state’s two nuclear power plants — the South Texas Project near Bay City and Comanche Peak near Glen Rose — supplied a total of 11 percent. Solar, hydroelectric and biomass resources provided most of the remainder

https://comptroller.texas.gov/economy/fiscal-notes/2020/augu...