Select Task
Sensitivity
Interest Rate (%)
Enter the bank interest rate on the investment
Irrigation System and Cost
Enter total hectares of the investment
Select Existing irrigation system and enter the capital and ongoing costs associated with the current irrigation system (hover over each heading for further explaination of inputs)

Existing System Capital ($/Ha) Operating ($/ML) Labour ($/Ha) Repair (%) Lifetime (year) Water Use (ML/Ha) Gross Margin ($/ML)
Select irrigation system(s) and enter the capital and ongoing costs associated with the irrigation system (hover over each heading for further explaination of inputs)

New System Capital ($/Ha) Operating ($/ML) Labour ($/Ha) Repair (%) Lifetime (year) Water Use (ML/Ha) Improved Efficiency (%) Gross Margin ($/ML)
Water Use (ML/HA)- Sensitivity Analysis Inputs
Enter a range of water use (i.e. influence costs and / or returns) to test the economic sensitivity of the investment

Low Value High Value Increment
Improved Irrigation efficiency (%) - Sensitivity Analysis Inputs
Enter a range of Improved Irrigation Efficiency (i.e. influence returns) to test the economic sensitivity of the investment

Low Value High Value Increment
Result
x axis y axis Draw Print Table
System Water Use (ML/Ha) Improved Efficiency (%) NPV ($) Annuity ($)
Fixed payments (negative values) over the life time of the investment
IRR (%) Benifit Cost Ratio