Feasibility study of biomass hybrid micro-plants for mini-grid based electricity services in rural communities in Ghana

Abstract

Electricity access is key in driving socio economic development. Since Ghana initiated its National Electrification Scheme (NES) 20 years ago, access has risen to 72%, with over 88,000 communities yet to be electrified. From 2006 to 2008, the Multifunctional Platform (MFP) programme provided mechanical energy services based on diesel engines in 38 off-grid communities; yet these communities are rich in agricultural residues. International experience has shown that decentralised power generation by biomass gasification systems is cost competitive for remote villages with low load demand, and has the lowest environmental impact as compared to other conversion technologies. Additionally, the Ghanaian Renewable Energy Law sets forth the possibility for distribution utilities to benefit from renewable energy obligations in investments conducted in rural areas. This study was commissioned to investigate the prospects of electricity service provision based on biomass gasification technology. To this end, the feasibility of using agricultural residues to run a 24 hour mini-grid electricity service has been characterised in five MFP communities in Ghana (Brong Ahafo and Northern regions). The institutions involved in this study, TEC-KNUST, KITE and IS.UPC are partners in the diffusion of sustainable energy solutions, as a key action to eradicate energy poverty in the region.