Impact Calculator Tool

This Impact Calculator Tool is designed to assist companies, investors, and off-grid solar stakeholders to estimate the impacts created when a household gains access to a solar lantern, multi-light kit or home system they have sold, invested in or supported.

This tool accompanies the Standardised Impact Metrics for the Off-Grid Solar Energy Sector publication and uses the metric formulas laid out in that document - created to provide a harmonised framework for impact measurement. Before using this tool, it is strongly recommended that users read the full publication to understand the methodology used to create each metric, and any related limitations. Key limitations are included below.

Please note that GOGLA does not store data that is inputted in the calculator. After closing the calculator your data will be lost. You can download the output in an excel file for your own use.

While every effort is made by GOGLA to ensure that accurate information is disseminated through this medium, GOGLA makes no representation about the content and suitability of this information for any purpose. Any reliance you place on such material is therefore strictly at your own risk.

In case you have questions or comments, please send an email to