Purpose-Built
A solar-array workbench for testing temperature-adjusted string voltage, inverter windows, current limits, and alternative module layouts.
One-time iPhone and iPad app
Stringclime
PV string and MPPT planning studio
Core Tools
- Cold and hot string-voltage screening
- MPPT and inverter-limit comparisons
- Forty bundled photovoltaic reference plates
Private by Design
No account, ads, tracking, third-party analytics, or developer-operated backend. Your work stays on your device unless you deliberately share or export it.
Use It Responsibly
Electrical results are planning aids. Verify current manufacturer data, site temperatures, conductor protection, and all applicable electrical codes.