Table 4 Input parameters for TCO model

From: Economic, environmental and grid-resilience benefits of converting diesel trains to battery-electric

Unit capital cost components

 Battery life66

5,000

cycles

 Cost of battery pack67

50–200

US$ kWh–1

 Cost to replace battery

50

US$ kWh–1

 Cost of inverter48

70

US$ kWh–1

 Cost of standard boxcar68

135,000

US$

 Inverter size

3.3

MW

 Variable operations and maintenance cost of diesel engine (full-time use) (rail representative, personal communication)

200

US$ d–1

 Variable operations and maintenance cost of diesel engine (backup use) (rail representative, personal communication)

100

US$ d–1

Unit fuel cost components

 Electricity generation price37

0.023

US$ kWh–1

 Levelized cost of fast-charging infrastructure39

0.02–0.09

US$ kWh–1

 Cycles per day

1

 

 Diesel price40

0.8

US$ l–1

 Average daily locomotive fuel consumption26

1,454

l d1

Unit air pollution costs

 Air pollution damages per diesel locomotive6

1,458

US$ d–1

 Median marginal damages of NOx emissions from locomotives6

12,420

US$ t–1

 Median marginal damages of PM2.5 emissions from locomotives6

45,586

US$ t–1

Unit GHG emissions cost components

 Marginal damage of CO2 emissions (2020–2040)69

125–226

US$ t–1

 CO2 emissions rate of diesel70

2.7

kgCO2 l–1

 Median marginal damages of NOx emissions from coal-fired electricity6

10,579

US$ t–1

 Median marginal damages of SO2 emissions from coal-fired electricity6

26,672

US$ t–1

 Median marginal damages of NOx emissions from natural gas electricity6

10,292

US$ t–1

 Median marginal damages of SO2 emissions from natural gas electricity6

21,951

US$ t–1

 CO2, NOx and SO2, emissions rates of US power mix (2020–2040)51

varies

kg MWh–1

  1. All prices are listed in 2019 US$.