Local and Regional PV Power Variability in the Northeastern U.S.: Implications for Simplified Utility Flicker Screening Analyses

Figure 5

Histogram of the frequency of irradiance ramp rates in various ranges as measured across the entire year at the Oak Ridge RSR as compared to the interval May-July for both the Oak Ridge Tennessee site and the NYPVS SunPower systems. Only ramp rates up to ±50% are shown as this captures more than 99% of all data in each of the three datasets.