Energy, particularly electricity is crucial to ensure quality life and economic development. But majority of global populations living in the least developed and developing countries yet do not have access to electricity. Electricity is primarily using fossil fuels e.g coal, oil and gas. The reserves of the fossil fuels are finite, concentrated in certain regions and depleting. These sources cause climate change and environmental pollution. Renewable energy sources are cleaner and more environment friendly, yet not affordable for bulk energy supply. To meet the bulk electricity demands...