This case study presents the application of the sustainable access planning framework to develop cost-effective energy plans for households in Pyuthan district, Nepal. Ensuring access to affordable, reliable, and sustainable energy is one of the Sustainable Development Goals of the United Nations. Sustainable energy access planning (SEAP) plays a vital role when it comes to ensuring energy access for poor households particularly in Nepal's Pyuthan district. SEAP identifies the needed resources and investments for sustainable energy in the district. This case study, supported by the Asian Development Bank, presents the application of a SEAP framework for developing cost-effective energy plans for Pyuthan district. It also highlights the benefits of access to cleaner energy in terms of social well-being, reduction in the emission of local pollutants and greenhouse gas, and reducing energy inequality.