Electricity rates in Buffalo, WY
Buffalo (4,632 people, Johnson County) is served by 2 electric utilities. Homes on Powder River Energy Corp. pay about 12.39¢/kWh, 12% less than the Wyoming average.
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Electric companies serving Buffalo
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Powder River Energy Corp. | Electric cooperative | 12.39¢ | $143 | 16K | 571 |
| Montana-Dakota Utilities Co. | Investor-owned utility | 13.62¢ | $115 | 15K | 354 |
Power outages in Johnson County right now
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Outage history in Johnson County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 421 | 588 |
| Days with outages | 59 | 42 |
| Most customers out at once | 1,290 (23.7%) | 7,084 (130%) |
| Worst day | 2024-01-05 | 2025-11-13 |
Outage minutes by month, 2025
More outage time than 2024 (421 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Sheridan 12.4¢
- Gillette 12.4¢
- Antelope Valley-Crestview 13.2¢
- Sleepy Hollow 12.4¢
- Worland 15.7¢
- Basin 15.7¢
- Greybull 15.7¢
- Wright 12.4¢
- Moorcroft 12.4¢
- Thermopolis 15.7¢
ZIP codes: 82834
Frequently asked questions
What is the electricity rate in Buffalo?
Most homes in Buffalo get power from Powder River Energy Corp., where residential customers pay an average of 12.39¢/kWh including all charges. The Wyoming average is 14.01¢ and the U.S. average 17.99¢. Other utilities serving parts of Buffalo: Montana-Dakota Utilities Co. (13.62¢).
What is the average electric bill in Buffalo?
About $143 a month, based on 1,156 kWh a month (the average for Powder River Energy Corp. customers) at 12.39¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Buffalo, WY?
2 utilities serve Buffalo's ZIP codes: Powder River Energy Corp., Montana-Dakota Utilities Co.. Which one serves you depends on your street address.
How often does the power go out in Buffalo?
In 2025, customers in Johnson County averaged 9 hr 48 min without power. Outages hit 42 days of the year, and the worst day was 2025-11-13, when 7,084 customers (130%) were out. Source: ORNL EAGLE-I.