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

Table 2

Frequency and magnitude of ramp rates in solar irradiance between 8 am and 8 pm over the entire years as compared to three spring/summer months illustrating the expected trend of larger variability during the higher solar resource months.

	Annual average (1)	May to July (1)
Percent of (1 minute)	%	%
Percent of (5 minute)	%	%
()RMS (1 minute)	%	%
()RMS (5 minute)	%	%