How to use solar payback calculator
Estimate simple payback from installation cost, generation and electricity value. This browser tool shows the inputs, assumptions and resulting output so you can use it for a specific everyday task.
- Enter your own values or choose a supported file.
- Adjust the options and run the tool.
- Review the result, then copy, export or save it when available.
Try this next
Compare an installation cost with assumed annual output, self-consumption and annual maintenance.
Simple payback excludes finance, degradation, tariff changes and time value of money. Exported energy may have a different value from self-consumed energy.
Questions, answered.
Is solar payback calculator free to use?
Yes. This tool is part of Nepocore’s free browser toolkit. There is no paid tier, file-download gate or application account required.
What should I check before using the result?
Simple payback excludes finance, degradation, tariff changes and time value of money. Exported energy may have a different value from self-consumed energy.
Does this tool upload my files or text?
The tool processes its input in your browser. File contents and text are not sent to a processing server. See the privacy page for local storage and hosting details.