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Table 1 Summary of input variables

From: Measuring the impact of risk on LCOE (levelized cost of energy) in geothermal technology

Input variables

Mean value

Range (standard deviation)

Distribution

References

Capital expenditure (USD/KW)

3,729

2000–5872 (0.00749)

PERT

EERE (2012b), EIA (2019), IRENA (2019), Magnus and Victor (2012)

Annual O&M cost (USD/KW)

129

75–224 (0.00735)

PERT

EERE (2012b), EIA (2019), IRENA (2019), Magnus and Victor (2012)

Capacity factor (%)

N

85–92 (0.00742)

TRIANGLE

EIA (2020a), IRENA (2017)

WACC (in real, %)

5.4

N/A

N/A

EIA (2021)

Risk-free rate (in real, %)

0.609

N/A

N/A

US Treasury (2021)