Utilisation of rice residues for decentralised electricity generation in Ghana: An economic analysis

Pooja Vijay Ramamurthi, Maria Cristina Fernandes, Per Sieverts Nielsen, Clemente Pedro Nunes

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    Developing countries, especially in Sub-Saharan Africa, face large challenges to achieve universal electrification. Using the case of Ghana, this study explores the role that rice residues can play to help developing countries meet their electrification needs. In Ghana, Levelised Electricity Costs (LEC) of a grid-connected 5 MWe straw combustion plant ranged between 11.6 and 13.0 UScents/kWh, based on region of implementation. Rice straw combustion is a viable grid-connected option in all regions, as the bioenergy Feed-in-Tariff is 29.5 UScents/kWh in Ghana. Residue supply cost contributes significantly (49-54%) to LEC of rice straw combustion.LEC of husk gasification mini-grids ranged between 5 and 53 UScents/kWh for rural populations between 3000 and 250 people. Husk gasification mini-grids can be a suitable electrification solution for these un-electrified populations, as its LEC is lower than the average LEC of grid extension diesel mini-grids and off-grid solar systems for remote communities in Ghana. Electricity produced from husk gasification has the potential to cater to 7% of the needs of un-electrified communities in Ghana. The methodology and analysis of this study can support policymakers of similar countries decide the economic feasibility of decentralised bioenergy solutions while forming national electrification plans.
    Original languageEnglish
    Pages (from-to)620-629
    Publication statusPublished - 2016


    • Electricity access
    • Ghana
    • Levelized Electricity Cost
    • Rice residues
    • Rural electrification
    • Economic feasibilities


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