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Current Costs of Geothermal Power Generation in New Zealand

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Current Costs of Geothermal Power Generation in New Zealand ( current-costs-geothermal-power-generation-new-zealand )

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Assessment of the Costs of Geothermal Power Generation in New Zealand Table 7-2 Estimate of Capital Costs for High Envelope Developments CAPTAL COSTS ‐ HIGH FLOW ENVELOPE Option 1 Establishment Costs Permitting Land acquisition Geoscientific / Environmental Well Testing Civil works and Infrastructure Site Operations Pre Feas/ Feas Repors Commericalnegotiations 0.2 0.2 0.2 0.2 0.6 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 1.0 1.0 0.5 0.5 0.5 0.5 0.5 0.2 0.2 0.2 0.2 0.2 0.2 0.6 0.6 0.5 0.5 0.5 0.5 0.5 1.0 0.5 0.5 0.2 0.2 0.2 0.2 0.2 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 1.0 0.5 0.5 0.5 0.5 0.5 0.2 0.2 0.2 Construction Costs 2550 2710 NZ$/kWinstalled 1,900 1,900 2,200 2,200 2,100 2,100 2,450 2,450 2,200 2,200 2,600 2,600 2,700 2,700 2,700 2,700 NZ$M 95 95 44 44 105 105 49 49 110 110 52 52 135 135 54 54 Power plant capital cost Spares* Steamfield costs NZ$M ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ Electrical transmission ‐ 10km Grid connection 4.0 4.0 4.0 4.0 3.0 3.0 2.0 2.0 7.0 7.0 6.0 6.0 ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 1351356666151151747415015074741751757676 Switchyard* NZ$M S/T NZ$ M Drilling Costs Rig Mob/Demob Cost per Well Production wells 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 Cost per Well Injection wells Developers Costs Legal Financing Engineering & PM mgt Others NZ$ M NZ$ M NZ$ M NZ$ M 1.6 1.7 0.9 0.9 1.8 1.9 1.0 1.0 1.7 1.8 1.0 1.0 2.1 2.2 1.6 1.7 0.9 0.9 1.8 1.9 1.0 1.0 1.7 1.8 1.0 1.0 2.1 2.2 8 9 5 5 9 10 5 5 9 9 5 5 10 11 1.0 1.0 1.0 1.0 5 5 Total Project Costs NZ$ M 171 186 97 97 188 203 105 105 187 197 105 105 223 233 107 107 Ratios At USD/NZD 0.70 NZD / kW gross USD / kW gross 3,400 3,700 4,800 4,800 3,800 4,100 5,300 5,300 3,700 3,900 5,300 5,300 4,500 4,700 2,400 2,600 3,400 3,400 2,700 2,900 3,700 3,700 2,600 2,700 3,700 3,700 3,200 3,300 5,400 5,400 3,800 3,800 Sinclair Knight Merz. SKM Cost of Geothermal Power Report (2007 Cost Basis)R1.doc PAGE 43 S/T Res T Cycle MW gross DF Hybrid 20 50 Hybrid Hybrid Hybrid 50 20 20 ORC ORC ORC ORC 50 50 20 20 NZ$M NZ$M NZ$M NZ$M NZ$M NZ$M NZ$M NZ$M NZ$M 0.2 0.2 0.2 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 1.0 1.0 0.5 0.5 0.5 0.5 0.2 0.2 0.2 ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 3.5 3.5 3.0 3.0 3.5 3.5 3.0 3.0 3.5 3.5 3.0 3.0 3.5 3.5 3.0 3.0 NZ$/kW installed NZ$ M NZ$ M NZ$ M 650 650 790 790 770 770 940 940 650 650 790 790 650 650 790 790 33 33 16 16 39 39 19 19 33 33 16 16 33 33 16 16 NZ$ M 4.0 4.0 3.0 3.0 7.0 7.0 4.0 4.0 4.0 2.0 2.0 3.0 6.0 6.0 7.0 4.0 4.0 3.0 2.0 7.0 6.0 4.0 4.0 4.0 2.0 3.0 3.0 6.0 7.0 7.0 4.0 4.0 2.0 2.0 6.0 6.0 2 3 300 260 260 SF SF SF 50 50 20 4 5 6 7 230 300 260 260 SF DF DF DF 20 50 50 20 8 9 10 11 12 13 14 15 16 230 300 260 260 230 300 260 260 230 NZ$ M NZ$ M Wellsrequired 2422242223223422 NZ$ M 10 21 10 10 10 21 10 10 10 16 10 10 16 21 10 10 NZ$M/well 4.2 4.2 4.2 4.2 4.2 4.2 4.2 4.2 4.2 4.2 4.2 4.2 4.2 4.2 4.2 4.2 Wellsrequired 2322232223223422 NZ$ M S/TNZ$M 8 13 8 8 8 13 8 8 8 13 8 8 13 17 21 36 21 21 21 36 21 21 21 31 21 21 31 40 8 8 21 21 S/TNZ$M 11 12 6 6 12 13 7 7 12 13 7 7 15 15 7 7 /well 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2 0.2 0.2 0.2 0.2 0.6 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 1.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.2 0.2 0.2 0.2

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