Serengeti Energy Limited (SEL), formerly called responsAbility Renewable Energy Holding (rAREH), is an independent power producer (IPP) company based in Kenya, with investments in sub-Saharan Africa. SEL specializes in renewable energy sources (primarily hydro and solar) of between 5 megawatts and 50 megawatts at various development stages, including planning, financing , construction ,and operations. As of June 2022, the firm has a number of operational power plants in about half a dozen countries and projects in the development stage in another one half a dozen countries. At that time, its total portfolio of power stations totaled over 300 megawatts, in generation capacity