Payback period Calculator
*The results from this calculator are an approximate guide only and should not be taken as advice or a recommendation.
| Panels cost ($):
|
|
|---|---|
| Support/Racking systems cost ($): |
|
| Inverter cost ($): |
|
| Labour cost ($): |
|
| Any other cost ($): |
|
| Less STC and any other rebates and discounts ($): |
|
| Total cost (Out of pocket) = | $0.00 |
| Daily energy yield (kWh):
|
|
|---|---|
| Approximate self consumption per day (kWhs): |
|
| General tariff ($): e.g 0.25 |
|
| Feed-in tariff ($): e.g 0.08 |
|
| Self consumption X General tariff ($): |
|
| Rest exported to the grid X Feed-in tariff ($): |
|
| Total savings per day = | $0.00 |
| Payback period in years = | 0.00 year(s) |

Solar calculators
- Maximum Voc And Minimum Vmp Calculator
- Check If String Fuses Are Required And Their Size
- Check If Inverter/String Is Suitable To Use For A Number Of Panels
- Irradiation Calculator
- PV Array Area Calculator
- Payback Period Calculator
- Power Output at Ambient Temperature Calculator
- PV Array Size Calculator
- Number of Modules Calculator for an MPPT
- Retro-fit Battery Payback Calculator
- PV (Solar) Site Information
Instrumentation calculators
- 4–20mA Calculator
- Differential Pressure to Flow Calculator
- Pressure Converter Calculator
- Pressure Level Calculator
Geometry calculators
Electrical calculators
- DC Circuits
- Voltage Drop Calculator
- Simplified Voltage Drop Calculator
- Cable Size Calculator using Vc Value
- Current carrying capacity (CCC) for Electric cables
- Maximum Demand Calculator
- Maximum Circuit Length Calculator
- Earth Fault Loop Impedance Calculator
- Arc Fault Clearing Time Calculator
- Cable Short-Circuit Withstand Calculator
- Transformer Short Circuit Fault Current Calculator
- Parallel Resistor Calculator
- Power Factor Correction Calculator