What is the fine-grained topic of the following text: Grameen Shakti (GS), which operates in Bangladesh, and was established my Professor Muhammed Yunus, is currently described as “One of the largest and fastest growing rural based renewable energy companies in the world.” Benefitting from the experiences of the highly successful Grameen Bank operating model, GS, offers predominately rural customers across Bangladesh, small financial packages that are based on regular instalment payments that are reduced due to economies of scale. Only return the topic.
Grameen Shakti's renewable energy initiatives in rural Bangladesh