A string sizer and voltage drop calculator all-in-one
Over 1000 downloads!
Our tool is free and available for download, just fill out the form below and you'll be sent a link to download the excel tool.
- Excel-based tool
- Calculate allowable string sizes
- Voltage drop calculator
- Performance calculator
- Dual MPPT configuration
- Quick writing features
- Thousands of modules
- Hundreds of inverters
- Add your own modules or inverter
- 5000+ worldwide ASHREA locations
- Create your own custom sites