How to use solar energy estimator
Estimate daily and monthly output from panel capacity, sun hours and losses. 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
Explore a 3 kW array with four peak sun hours per day and a chosen performance ratio.
Sun hours, shading and losses are entered assumptions. This is not a location-specific generation forecast or electrical installation design.
Questions, answered.
Is solar energy estimator 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?
Sun hours, shading and losses are entered assumptions. This is not a location-specific generation forecast or electrical installation design.
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.