https://www.yahoo.com/news/nearly-300-kentuckians-slated-los... ("The largest coal producer in the eastern United States will permanently close its Kentucky operation, representatives said. On Nov. 15, Alliance Resource Partners and its subsidiary, Excel Mining, announced plans to end its operations in Pikeville, Kentucky")
On coal decline:
https://ieefa.org/resources/coal-use-us-power-plants-continu... ("Coal use at U.S. power plants continues downward spiral; full impact on mines to be felt in 2024")
https://www.eia.gov/todayinenergy/detail.php?id=62484 ("EIA: U.S. coal shipments declined 8% in 2023 as coal consumption fell sharply")
https://www.lpm.org/news/2023-07-19/coals-dying-light-the-de... ("Coal's Dying Light: The decline of coal is hurting Kentucky and communities across the country")
https://www.yahoo.com/news/nearly-300-kentuckians-slated-los... ("The largest coal producer in the eastern United States will permanently close its Kentucky operation, representatives said. On Nov. 15, Alliance Resource Partners and its subsidiary, Excel Mining, announced plans to end its operations in Pikeville, Kentucky")
PacifiCorp balancing authority energy mix:
https://app.electricitymaps.com/zone/US-NW-PACE/24h