Salt River Project, AZ
How often Salt River Project goes out
This is one of the steadier grids on file: Salt River Project's Arizona customers went without power for only 66 minutes across 1 separate outages last year. That is 12% less outage time than the Arizona state average of 74 minutes a year.
Outage length, and what it means for a generator
A single outage here averages 65 minutes. That is squarely in battery-power-station range; a fuel generator is overkill for most of these. More on that split in how often versus how long an outage runs.
The generator question for Salt River Project
Serving 1,182,229 customers here, With a record this steady, Salt River Project customers rarely have a reason to shop for a backup generator at all.
How Salt River Project's record was measured
These figures come from EIA Form 861, the reliability report a political-subdivision utility like Salt River Project files with federal regulators every year - serving 1,182,229 customers hereaveraged across the whole territory, not any one address or storm. See Arizona as a whole, across every utility that filed: Arizona's outage record. One big storm can move a single year a lot; major event days explains how.