Tools
Power network compliance calculators
Assessments you can run yourself, against the published limits. Each one tells you which standard it is applying and where it stops.
P28
Free
P28 Calculator
Step voltage change, RVC category and P28 Stage 1 eligibility for motors, EV chargers and other fluctuating loads.
Run it free
No account needed
G5/5
Paid
G5/5 Calculator
Full harmonic assessment to EREC G5/5, Stages 1 to 3, with a signed report for your DNO connection application.
Open the calculator
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