Why is coal energy good?

Coal contains lot of ash.Disposing the ash is problem..Fly ash gets into atmosphere and create pollution. coal also contain sulfur..THis creates sulfur di oxide.during rain this make acid rain. mining coal is a hazardous industry..

Coal energy has historically been valued for its affordability and reliability as a source of electricity generation. It has a high energy density, making it efficient for power generation. Additionally, coal reserves are abundant in many regions, providing a stable and secure energy supply. However, it's important to note that while coal energy has advantages, it also has significant environmental drawbacks, including air pollution, greenhouse gas emissions, and contributions to climate change. Therefore, the use of coal energy is increasingly being scrutinized in favor of cleaner and more sustainable alternatives.