--- title: What is TSRF? description: TSRF stands for Total Solar Resource Fraction. It's a metric used in the solar energy industry to assess the solar potential of a specific location, taking into account factors like shading, panel ori --- [Skip to content](https://help.gosolo.io/what-is-tsrf#main-content) [![Solo Black-1](https://help.gosolo.io/hubfs/Solo%20Black-1.svg)](https://help.gosolo.io/?hsLang=en) - [Solo Help Center](https://help.gosolo.io/) Open main navigation Close main navigation - [Solo Help Center](https://help.gosolo.io/) - [Go to Solo](https://phx.gosolo.io/) [Go to Solo](https://phx.gosolo.io/) How can we help? - There are no suggestions because the search field is empty. 1. [Solo Help Center](https://help.gosolo.io/?hsLang=en) 2. [Proposals](https://help.gosolo.io/proposals?hsLang=en) 3. [Understanding the Proposal](https://help.gosolo.io/proposals?hsLang=en#understanding-the-proposal) July 25, 2025 # What is TSRF? TSRF stands for Total Solar Resource Fraction. It's a metric used in the solar energy industry to assess the solar potential of a specific location, taking into account factors like shading, panel orientation, and tilt. Essentially, it indicates the proportion of available solar energy that a particular site can convert into electricity. Here is a more detailed breakdown: - **Shading** - TSRF considers how much sunlight is blocked by obstacles like trees, buildings, or terrain. - **Panel Orientation and Tilt** - It also accounts for how solar panels are positioned (facing north, south, east, or west) and their angle relative to the ground. - **Weather Patterns** - TSRF factors in the typical weather conditions of a location, including cloud cover, rain, and snow. - **Accuracy** - TSRF provides a more accurate assessment of solar potential than simpler metrics like "Solar Access" or "Tilt and Orientation Factor (TOF)" because it combines these factors, according to New England Clean Energy. - **Importance** - A higher TSRF value means a site is more suitable for solar energy generation.   In practical terms, TSRF is crucial for:  - **Estimating Solar Energy Production** - It helps determine how much electricity a solar system is likely to produce at a specific location. - **Optimizing Solar Panel Design** - It guides the placement and orientation of solar panels for maximum energy output. - 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