This dataset provides a detailed look at the hydroelectric power facilities in Tyler County, Texas, focusing on the Sam Rayburn Dam and Robert D Willis power plants. This dataset is ideal for professionals engaged in energy production, sustainability studies, or regional planning efforts. Each entry details aspects such as capacity measured in megawatts, plant ownership, commissioning year, and yearly generation statistics. Insights from this dataset could aid in understanding the dynamics of hydroelectric power in this region and assist in strategic decision-making.