Simple project evaluation spreadsheet model - …

Simple project evaluation spreadsheet model Africa Electricity Institute Practitioner Workshop 15 November 2011 -- Dakar, Senegal Chris Greacen Two very different HOMER Engineers (also project developers, regulators, researchers) Optimizes component selection to minimize levelized cost of energy (LCOE) in hybrid minigrids Excel financial model Financers (also project developers, regulators, researchers) Models cashflow and return on investment Used by: What it does: Simple project viability evaluation model Inputs Outputs project Inputs Revenues Tsh /kwh US c/kwh project Returns Plant Capacity 500 KW Tanesco 87% project IRR Capacity Factor 68% Business 11% Equity IRR Annual Generation 2,978 Mwh Households & Inst. 3% project NPV $1,436 # Connections 882 Average Tariff Equity NPV $501 Carbon Revenues Generation Costs USD 000s TSH Mn Operating Costs USD 000s TSH Mn US c /kwh Cost recovery Tariff Generation 1,484 2,226 47% Salaries 30 $45 Capital Investments $ / W Soft Costs 670 1,005 21% Maintenance 31 $47 Operating Costs c/ kwh Grid Connection 389 584 12% Fuel Costs 0 $0 Output Per Watt Kwh / W Grid Extension 596 894 19% Other 0 $0 Capital Recovery c/ kw

Simple project evaluation spreadsheet model . Africa Electricity Institute . Practitioner Workshop . 15 November 2011 -- Dakar, Senegal . Chris Greacen

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