Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Solar Energy
Solar Shading Loss Calculator
Quantify how much annual solar energy you lose to roof shading. Enter shading hours, affected panel percentage, and optimizer type to see real kWh losses before you install.
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 Shading Loss Calculator | Solar Battery Size Calculator | |
|---|---|---|
| Category | Solar Energy | Solar Energy |
| Inputs required | 5 | 3 |
| Result | Annual Energy Loss (kWh) | Required Battery Capacity (kWh) |
| What it does | Quantify how much annual solar energy you lose to roof shading. Enter shading hours, affected panel percentage, and optimizer type to see real kWh losses before you install. | 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. |