A preview of key data from the dataset.

	U.S._STATE	NERC.REGION	CAUSE.CATEGORY	OUTAGE.DURATION	CUSTOMERS.AFFECTED
1	Minnesota	MRO	severe weather	51.000000	70000.000000
2	Minnesota	MRO	intentional attack	0.016667	nan
3	Minnesota	MRO	severe weather	50.000000	70000.000000
4	Minnesota	MRO	severe weather	30.500000	68200.000000