Power outages in Buffalo, WY

Live outages for Buffalo and the surrounding area, updated every 10 minutes. Buffalo has 4,733 residents.

Right now

No live outage data for Buffalo yet.

Outage map

Outage locations not published
BuffaloJohnson CountyPacifiCorp (Pacific Power / Rocky Mountain Power) publishes totals only, not outage locations.
iSome utilities publish only how many customers are out, not where. Their outages are in the counts but can't be drawn on the map.

Outage history in Johnson County, which includes Buffalo

2014–2025 record

Johnson County averaged 31 significant outages a year in 2023–2025, more than most Wyoming counties.

In the 12 months to December 2025, there were 27. Half were over within 2 hours; the longest lasted 18 hours, starting December 19, 2025.

The largest on record began November 13, 2025, with 7,084 customers out at once.

Outages are most common in August.

31significant outages a year (2023–2025)
iAt least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.
1.5 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
2 dayslongest on record (March 2020)
7,084most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
November 13, 20257,0849 hours22,107
August 12, 20223,88945 minutes1,947
October 23, 20183,63830 minutes1,819
May 31, 20183,6184.5 hours12,309
January 6, 20183,61715 minutes904

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

iFrom EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.

If your power is out

Report it to your utility

  • PacifiCorp (Pacific Power / Rocky Mountain Power): outage map and reporting
  • Stay at least 35 feet from downed power lines and report them right away.

Food safety

  • 0–4 hKeep the fridge closed. It keeps food cold for about 4 hours.
  • 4 h+Throw out meat, dairy and leftovers that have been above 40°F for more than 2 hours.
  • 24 hA half-full freezer holds about 24 hours if kept closed.
  • 48 hA full freezer holds about 48 hours.

Generators, heat and cold

  • Run generators outside only, at least 20 feet from windows and doors. Never in a garage.
  • Use a battery-powered carbon monoxide alarm.
  • Never heat your home with a gas stove or oven.