- November 8, 2026
- Renewable Energy
S5.2.5.10 Protection for Unstable Operation: Oscillation Detection for Inverter Plant
S5.2.5.10 used to be a one-line commitment. As inverter-driven oscillations have appeared in the NEM, NSPs increasingly expect a defined oscillation detection function with alarm and trip settings. This is what that function looks like and how to propose it.
