Hallador Energy Company (NASDAQ:HNRG) focuses primarily on coal production in the United States. Its operations are centered around mining, processing, and selling thermal coal from its main underground coal mine located in southwestern Indiana. Beyond coal, Hallador is expanding into renewable energy projects to diversify its energy portfolio. This strategic move aims to balance traditional energy production with the growing demand for sustainable and clean energy solutions. The company's objective is to ensure a reliable supply of energy while transitioning towards more environmentally friendly energy production methods, reflecting its commitment to sustainability and innovation in the energy sector.