Buying electricity resilience: using backup generator sales in the United States to understand the role of the private market in resilience

Journal of Infrastructure Preservation and Resilience

Table 5 Regression Analyses of Import Value of Backup Generators to Macroeconomic Indicators

Macroeconomic Indicator	Pearson Correlation	R²	Coefficient	Standard Error (Coefficient)	p-value
Median Household Income	0.744	0.553	-10,156,968,081	2,066,683,536	3.502E⁻⁰⁵
Real Household Expenditure	0.969	0.938	-2,328,776,623	214,430,464	1.510E⁻¹¹
Generator Price Proxy	0.890	0.792	-1,493,265,132	348,306,456	1.93698E⁻⁴
Number of Electricity Customers*	0.9432	0.890	-18,154,367,082	2,226,109,934	5.439E⁻⁰⁶

* refer to the date range of 2008 - 2021 which is the only date range available for customer data