A coal-burning unit at Pueblo went dark in December, and Colorado’s remaining eight units will close by the time that a fifth-grade student graduates from high school, maybe sooner.

Source: https://www.aspentimes.com/opinion/best-a-tale-of-colorados-biggest-and-smallest-coal-mines/

Last week, Tri-State, Colorado’s second largest electrical utility, announced it wants to accelerate the closing of its final coal-burning unit at Craig to 2028, two years earlier than previously scheduled.

Source: https://www.journal-advocate.com/2023/12/13/big-pivots-fifteen-years-ago-coal-was-king-what-does-that-say-about-the-future-of-natural-gas/