Interstate Power and Light Co, IA
Interstate Power and Light Co's outage record
Interstate Power and Light Co customers in Iowa had 0.8 interruptions last year, 89 minutes total - a bit below the typical US utility's outage time. That is 42% less outage time than the Iowa state average of 2.5 hours a year.
What a typical outage at Interstate Power and Light Co looks like
At an average of 1.8 hours per outage, most interruptions here end before a fuel generator would even be worth starting up. Why outage length, not count, picks the backup: how often vs how long.
Do Interstate Power and Light Co customers need a generator
Serving 500,416 customers here, Outages at Interstate Power and Light Co run below the national norm, so a generator is not urgent - still worth checking if you have medical equipment or a sump pump that cannot go without power.
How Interstate Power and Light Co's record was measured
Interstate Power and Light Co filed these numbers itself, as an investor-owned utility, under EIA Form 861 - a federal reliability report covering its entire Iowa territory, serving 500,416 customers here, not a single street or outage. Every other utility in Iowa is covered too: see Iowa's full record. The full scoring method lives in the methodology guide.