Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Solar Energy
Solar Loan Payment Calculator
Determine your fixed monthly payment for a solar loan and see how the federal tax credit and monthly electricity savings affect your true net cost. Use it when comparing financing options before signing a solar contract.
Fill in the required fields to see your result.
Solar Energy
Solar Battery Size Calculator
Calculate required battery capacity (kWh) to back up a home for a chosen number of days at a given daily energy usage and battery depth-of-discharge limit. Use it when sizing storage for solar self-consumption, grid-outage backup, or off-grid systems.
Fill in the required fields to see your result.
Key differences
| Solar Loan Payment Calculator | Solar Battery Size Calculator | |
|---|---|---|
| Category | Solar Energy | Solar Energy |
| Inputs required | 5 | 3 |
| Result | Net Monthly Cost ($) | Required Battery Capacity (kWh) |
| What it does | Determine your fixed monthly payment for a solar loan and see how the federal tax credit and monthly electricity savings affect your true net cost. Use it when comparing financing options before signing a solar contract. | Calculate required battery capacity (kWh) to back up a home for a chosen number of days at a given daily energy usage and battery depth-of-discharge limit. Use it when sizing storage for solar self-consumption, grid-outage backup, or off-grid systems. |