IWM Electrification (IWME) Scheme is defined as hydroelectric generating systems that are driven by Improved Water Mills (Ghatta), in sites where the net head is typically 2 m or more and the generating capacity is no more than 5 kW. The system has been designed to electrify the village. Furthermore, the system does not run in parallel with the grid. The life period of such system has been estimated as 10 years.
IWME project is one of the important means of providing electricity service in rural areas of Nepal. More than 25 such projects have been installed till the date.