Solar PV water pumping study - FINAL REPORT ... - UNDP, Namibia

More documents

Recommendations

Info

Feasibility Assessment for the Replacement of Diesel Pumps with Solar Pumps Acknowledgements FINAL REPORT: September 2006 Emcon Consulting Group would like to acknowledge the following persons for their contributions to the study: • Pankratius Kondjamba for extensive data collection, spreadsheet work and stakeholder interactions; • Robert Schultz and Brita Emmermacher of DRFN for contributions to the promotional campaign, design of promotional material and stakeholder interviews; • Martin Heita of Tinda ESI for facilitation during the workshop and beyond; • Dr Ulrich Bobbinger for some fine work on spreadsheet manipulation in using brute force to get results; • Matthias Metz of GeoCarta Namibia for thorough analysis of borehole data in Namibia. Emcon would further like to thank the following institutions, consultants and contractors for providing information with regards to water needs, water supply management, usage of water supply technologies and costing of these technologies: • The staff of the Directorate of Rural Water Supplies for providing a discussion forum for the use of solar and diesel water pumps. • Henry Beukes of the Division of Geohydrology, Department of Water Affairs • Volker Rügheimer of GS Fainsinger & Associates • Rudi Woortmann of Afro Pumps • Andries Steenkamp of Auas Wholesalers • Mark Riehmer and Harald Pritzen of ConServ • Richard Rudling of Denorco • Helmut Geiger of Elwiwa • Niko Brückner and Wilhelm Genis of NEC • Conrad Roedern, Elanza Pietersen and Kerstin Hoffman of Solar Age Namibia • Heinrich Steuber of SolTec • Werner Schultz of Terrasol • Gero Diekmann of Otjekongo Page i
Feasibility Assessment for the Replacement of Diesel Pumps with Solar Pumps Table of Contents FINAL REPORT: September 2006 Acknowledgements ...........................................................................................................i Table of Contents............................................................................................................. ii List of Tables .................................................................................................................. iv List of Figures ..................................................................................................................v Abbreviations.................................................................................................................. vi Executive Summary........................................................................................................ vii 1 Introduction ..............................................................................................................1 1.1 Background to water pumping in Namibia .......................................................................1 1.2 Scope of work...............................................................................................................2 1.3 Previous work ...............................................................................................................3 2 Water Pumping in Namibia.........................................................................................4 2.1 Overview of technologies ...............................................................................................4 2.1.1 PV pumping technology .................................................................................. 4 2.1.2 Diesel pumping technologies ........................................................................... 7 2.2 Experience and Perceptions............................................................................................8 2.3 Recent PVP uptake and pricing .....................................................................................12 3 Cost Analysis........................................................................................................... 14 3.1 Inputs to costing analysis.............................................................................................14 3.1.1 Technology range ........................................................................................ 15 3.1.2 Operating range .......................................................................................... 16 3.1.3 Sizing......................................................................................................... 16 3.1.3.1 Solar PV Pump........................................................................................................................ 17 3.1.3.2 Diesel Pump ............................................................................................................................ 17 3.1.4 Costing ...................................................................................................... 18 3.1.4.1 Capital cost.............................................................................................................................. 19 3.1.4.2 Operating cost ......................................................................................................................... 19 3.1.4.3 Maintenance and replacement costs....................................................................................... 20 3.1.5 Financial parameters .................................................................................... 22 3.1.6 Life cycle cost modelling ............................................................................... 23 3.1.6.1 Reference case ....................................................................................................................... 23 3.1.6.2 Variations ................................................................................................................................ 24 3.1.6.3 Assumptions and errors .......................................................................................................... 24 3.2 Results .......................................................................................................................26 3.2.1 Cost breakdown........................................................................................... 27 3.2.2 Life cycle cost comparison............................................................................. 28 3.2.3 Breakeven between PV pumps and diesel pumps .............................................. 29 3.2.3.1 Single case breakeven analysis .............................................................................................. 29 Page ii
Page 1: MINISTRY OF MINES AND ENERGY BARRIE
Page 5 and 6: Feasibility Assessment for the Repl
Page 25 and 26: Solar pump Start Diesel Pump Feasib
Page 41 and 42: Impact on Years-tobreakeven Feasibi
Page 45 and 46: Years to breakeven Feasibility Asse
Page 53 and 54:
Feasibility Assessment for the Repl
Page 55 and 56:
Page 57 and 58:
Page 59 and 60:
Page 61 and 62:
Page 63 and 64:
Page 65 and 66:
Page 67 and 68:
Page 69 and 70:
Page 71 and 72:
Page 73 and 74:
Page 75 and 76:
Page 77 and 78:
Page 79 and 80:
Page 81 and 82:
Page 83 and 84:
Page 85 and 86:
show all

Solar PV water pumping study - FINAL REPORT ... - UNDP, Namibia

Create successful ePaper yourself

Delete template?

Save as template?