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| Project capital costs: $/kW | $4290/kW (based on maximum total electricity generation) | $4500/kW, $3000–$6000/kW | Horne et al, 2025; Latimer, 2025. |
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| Well Drilling and Completion Cost | $3.96M/well (including 5% indirect costs) | $<4M/well | Latimer, 2025. |
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| WACC | 8.3% | 8.3% | Matson, 2024. |
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| After-tax IRR | 31.5% | 15–25% | Typical levered returns for energy projects |
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| Metric | Result Value | Reference Value(s) | Reference Source |
| Project capital costs: $/kW | $4900/kW (based on maximum net electricity generation) | $4500/kW, $3000–$6000/kW | Horne et al, 2025; Latimer, 2025. |
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| Well Drilling and Completion Cost | $3.96M/well (including 5% indirect costs) | $<4M/well | Latimer, 2025. |
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| WACC | 8.3% | 8.3% | Matson, 2024. |
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| After-tax IRR | 31.5% | 15–25% | Typical levered returns for energy projects |
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### Technical & Engineering Results
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| Metric | Result Value | Reference Value(s) | Reference Source |
| Minimum Net Electricity Generation | 504 MW | 500 MW | Fervo Energy, 2025. The 500 MW PPA is interpreted to mean that Cape Station's net electricity generation must never fall below 500 MWe. |
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| Maximum Net Electricity Generation | 537 MW |||
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| Maximum Total Electricity Generation | 615 MW || Actual maximum total generation may be bounded or constrained by modular power plant design not modeled in this case study. For example, a modular design with 50MW units may constrain maximum total generation to 600 MW. |
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| Number of times redrilling | 3 | 3–6 | Redrilling expected to be required within 5–10 years of project start |
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| Average Production Temperature | 199℃ | 204℃, 190.6–198.6℃ (optimal plant operating range) | Trent, 2024; Norbeck et al, 2024. |
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