Techno-Economic Feasibility of Hydropower Generation from Water Supply Networks in Ghana

W. O. Sarkodie () and E. A. Ofosu
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W. O. Sarkodie: University of Energy and Natural Resources
E. A. Ofosu: University of Energy and Natural Resources

A chapter in Sustainable Education and Development – Sustainable Industrialization and Innovation, 2023, pp 840-853 from Springer

Abstract: Abstract Purpose: This study looked at the potential energy recovery and economic feasibility of producing electricity from water distribution networks (WDN) and water transmission networks (WTN) using a Pump as a turbine (PaT) in the Western Region of Ghana. Design: To determine energy recovery viability, seven WDNs and one WTN were evaluated in MS excel using primary and secondary data. This enabled us to estimate the power potential as well as the annual energy generation from the networks. The economic feasibility of the energy generated was determined by finding the net present value (NPV) and Payback period (PP). Discount rate variation influence on NPV was also determined. Findings: According to the findings, Inchaban Headworks WTN has the highest annual energy generation potential, with a capacity of 71 MWh and could power 96 households. This system has an NPV of €8,130.75 and €3,231.19 at 5% and 10% discount rates, respectively. The total annual generation from the remaining systems could generate 70 MWh of electricity for about 94 households annually. Implications/Research Limitations: The study was limited to water supply networks of the Ghana Water Company Limited (GWCL) in the Western Region of Ghana. Practical Implication: The outcome of the study can be advanced to implement PaTs installation on water supply networks in Ghana and Africa at large for water infrastructure sustainability. Originality/Value: Previous research has not thoroughly examined the energy recovery potential of WTN and WDN in Ghana and Africa context. As a result, the study aims to promote innovation in water supply and management for the long-term sustainability of water infrastructure in Ghana and Africa at large.

Keywords: Distribution networks; Energy recovery; Hydropower; Renewable energy; Pump-as-turbine (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-031-25998-2_64

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DOI: 10.1007/978-3-031-25998-2_64

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