Being the largest coal producer in the United States comes with its fair share of expectations. Peabody Energy (NYSE:BTU) is hoping that it can live up to those of its investors. Times have been trying for Peabody and its peers, considering that low-priced natural gas is taking over the domestic front as a substitute for thermal coal in electricity generation.

Are you wondering what to focus on?
The tide might be turning, especially for Peabody, which operates in the two cheapest coal producing regions in the United States: the Powder River and Illinois basins. What are some key areas that current and potential investors need to keep an eye on for Peabody to turn the corner?