Duquesne Light Co, PA
Power reliability at Duquesne Light Co
Duquesne Light Co customers in Pennsylvania are among the worst-served in the country: 1.3 outages last year, 14.3 hours without power in total. That is 87% more outage time than the Pennsylvania state average of 7.6 hours a year.
Outage length, and what it means for a generator
11.2 hours is this grid's average outage length - long enough that a standby generator, not a portable or battery unit, is the more realistic fit. The frequency-versus-duration guide covers why length decides the kind of backup.
The generator question for Duquesne Light Co
Serving 617,922 customers here, Duquesne Light Co is among the least reliable grids in the country on file. You should get a generator here; going without one means betting against the grid's own filed history.
How Duquesne Light Co's record was measured
Duquesne Light Co filed these numbers itself, as an investor-owned utility, under EIA Form 861 - a federal reliability report covering its entire Pennsylvania territory, serving 617,922 customers here, not a single street or outage. Every other utility in Pennsylvania is covered too: see Pennsylvania's full record. How the verdict bands are set is in the methodology.