City of Rockwood, TN
Power reliability at City of Rockwood
This grid runs rougher than most of the country: City of Rockwood's Tennessee customers saw 3.5 interruptions and 9.6 hours without power in the most recent year on file. That is 150% more outage time than the Tennessee state average of 3.8 hours a year.
Outage length, and what it means for a generator
A typical outage here runs about 2.7 hours - long enough that a battery alone usually will not see you through, but short enough that a fuel-powered portable generator is a reasonable match. More on that split in how often versus how long an outage runs.
What this means for buying a generator
Serving 15,415 customers here, This is not a borderline case - City of Rockwood's outage record alone is reason enough to get a backup generator before the next one hits.
The source behind this number
These figures come from EIA Form 861, the reliability report a municipally-owned utility like City of Rockwood files with federal regulators every year - serving 15,415 customers hereaveraged across the whole territory, not any one address or storm. Every other utility in Tennessee is covered too: see Tennessee's full record. Storm days are counted in - here is why.