1. Department of Renewable Energy, Zambia Electricity Supply Corporation Limited, Box 33304, Lusaka 10101, Zambia
2. Department of Electrical and Communications Engineering, Moi University, Eldoret 30100, Kenya
3. Department of Mechanical Engineering, University of Zambia, Lusaka 10101, Zambia.
4. African Center of Excellence in Phytochemicals, Textile, and Renewable Energy (ACE II PTRE) Eldoret, Kenya
5. Department of Energy Engineering, Moi University, Eldoret 30100, Kenya
6. Department of Mechanical and Manufacturing Engineering, Moi University, Eldoret 30100, Kenya