Results
Enter inputs above, then tap Calculate.
Method and assumptions
Resistive rise from lumped loop R - add inverter reactive contribution in detailed studies.
Voltage rise (export)
Estimate voltage rise from export current and cable resistance. Confirm the site limit.
Simplified voltage-rise screening using stated assumptions. Confirm inverter behaviour, site impedance and DNSP limit.
Related calculators
Check the stated method and limits against your installation. Results are calculation aids, not certification.
Calculator guidanceNew calculator emails
Calculation model 2026-11-02.1