Governor Greg Abbott has appointed Tonya Miller to the Texas Commission on Environmental Quality (TCEQ), with her term scheduled to end on August 31, 2031. The TCEQ is responsible for protecting public health and natural resources in Texas while supporting sustainable economic development.
Miller, who lives in Austin, currently serves as a director at the Texas Water Development Board. Her previous roles include vice president of wholesale power strategic projects and optimization at the Lower Colorado River Authority. She has also been executive director of the Texas Solar Power Association and held several positions within TCEQ, such as director of the Office of Air, assistant director and special counsel for the Radioactive Materials Division, and legislative liaison.
Additionally, Miller served as public counsel and chief executive officer for the Office of Public Utility Counsel. She is a member of the State Bar of Texas, has served on the Financial Research Institute Advisory Board, and was an ex-officio board member for both the Electric Reliability Council of Texas and the Texas Reliability Entity.
Miller holds a Bachelor of Science in Business Administration and a Juris Doctor from the University of South Dakota.


