Eastern overseas corporation [eoc] since 1974 manufactures different types of hydro electric packages. Being a part of that small hydel sets are an ideal substitute for diesel sets run in those areas at high generation cost. They are light weight so easy to carry and quick to install. The cost of maintenance as well as operational cost is low and can be operated by any semi-skilled local people. These sets can generate electricity for small clustered villages in an environmentally benign manner.