This calculator generates a financial report and summary presenting the economic benefits of a project in a form suitable for submission to decision makers. You will need to do cost and energy savings calculations before using this calculator.

You can calculate:

1. Internal Rate of Return (IRR)
2. Net Present Value (NPV)
3. Greenhouse Impact.

To perform these calculations, complete the fields in the blue boxes. Tab between the boxes to have your on-screen results recalculated. You can also generate a printable Financial Summary and Cash Flow for your project by pressing GENERATE FINANCIAL REPORT at the bottom of the screen.

Project Description
Economic Parameters (NSW defaults shown)
Average electricity price			cents per kWh
Annual rate of increase of electricity price			%
Annual rate of increase in other annual costs			%
Discount rate			%
Project lifetime			years
Economic Analysis
Capital cost (to obtain reduction in energy use)	$
Direct reduction in annual energy consumption			kWh pa
Indirect reduction in annual energy consumption			kWh pa
Reduction in other annual costs (non energy)	$		pa
Reduction in annual energy cost	$		pa
Total annual cost savings	$		pa
Simple payback
Greenhouse gas reduction (Every kilowatt hour you save, saves about 0.92kg of greenhouse gas)			tonnes, CO2
Equivalent to taking this number of cars off the road (On average each car produces 4.5 tonnes of greenhouse gas each year)			car(s)