Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Solar Energy
Appliance Energy Cost Calculator
Find the true annual running cost of any appliance from its wattage, hours of use, days per week, your electricity rate, and how many units you run β the load solar has to offset.
Solar Energy
Solar Savings Calculator
Calculate monthly bill savings from a solar PV system by multiplying solar production by your electricity rate. Use it to estimate the financial benefit of an installed or planned system month-by-month.
Key differences
| Appliance Energy Cost Calculator | Solar Savings Calculator | |
|---|---|---|
| Category | Solar Energy | Solar Energy |
| Inputs required | 5 | 2 |
| Result | Annual running cost ($/yr) | Monthly Savings ($) |
| What it does | Find the true annual running cost of any appliance from its wattage, hours of use, days per week, your electricity rate, and how many units you run β the load solar has to offset. | Calculate monthly bill savings from a solar PV system by multiplying solar production by your electricity rate. Use it to estimate the financial benefit of an installed or planned system month-by-month. |