Wyoming electricity rates
Wyoming homes paid 14.4¢ per kWh in August 2026 — +0.7% from a year earlier. That is #11 cheapest of 51; the U.S. average was 18.2¢.
Wyoming electricity price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the Mountain region, which includes Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming.
Utilities in Wyoming
13 utilities · 10 report monthlyMonthly home price by utility
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| │ = WY average, same period | |||||
|---|---|---|---|---|---|
| PacifiCorp Investor Owned · monthly data |
15.6¢Jan–Aug 2026 |
+10.4% | +16% | $99 | 118,130 |
| Cheyenne Light Fuel & Power Investor Owned · monthly data |
18.4¢Jan–Aug 2026 |
+30% | +8.3% | $99 | 39,954 |
| Adjustment 2024 |
15.3¢2024 |
+21.3% | — | $106 | 39,894 |
| Lower Valley Energy Inc. Cooperative · monthly data |
7.7¢Jan–Aug 2026 |
-45.3% | +20% | $129 | 22,827 |
| Powder River Energy Corp Cooperative · monthly data |
12.6¢Jan–Aug 2026 |
-11.1% | +7% | $133 | 15,406 |
| Montana-Dakota Utilities Co. Investor Owned · monthly data |
14.5¢Jan–Aug 2026 |
+2.7% | +23.2% | $100 | 14,706 |
| City of Gillette (WY) Municipal · monthly data |
13.1¢Jan–Aug 2026 |
-7.2% | +3.9% | $112 | 13,990 |
| High Plains Power Inc. Cooperative · monthly data |
15.0¢Jan–Aug 2026 |
+6.2% | +9.4% | $130 | 12,767 |
| High West Energy, Inc. Cooperative · monthly data |
15.2¢Jan–Aug 2026 |
+7.6% | +5.8% | $146 | 5,579 |
| Black Hills Power, Inc. Investor Owned · monthly data |
13.9¢Jan–Aug 2026 |
-1.8% | +5.6% | $108 | 2,018 |
| Yampa Valley Electric Assn Inc. Cooperative |
17.5¢2024 |
+38.4% | — | $142 | 569 |
| Fall River Rural Elec Coop Inc. Cooperative |
10.0¢2024 |
-21% | — | $228 | 341 |
| NorthWestern Energy LLC (MT) Investor Owned · monthly data |
14.1¢Jan–Aug 2026 |
-0.2% | +9.9% | $94 | 294 |
Bars: average home price (same color scale as the map). The thin line and “vs. WY avg.” use the Wyoming average of the same period — 2024 for yearly figures, 2026 so far for monthly ones. “vs. 2024” compares this year’s monthly average with the 2024 annual average. Click a column header to sort. Small utilities that report only totals are left out.
All ZIP codes in Wyoming
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions
What is the average electricity rate in Wyoming?
14.4¢ per kWh for residential customers in August 2026 (EIA-861M, preliminary); the 12-month average is 14.1¢.
How does Wyoming compare with other states?
Wyoming ranks #11 cheapest of 51 states and D.C. The U.S. average was 18.2¢ in August 2026.
Which utility in Wyoming has the lowest rates?
Among the larger utilities (over 10,000 homes), Lower Valley Energy Inc. averaged 6.4¢ per kWh in 2024. Rates depend on the plan; check the utility’s tariff.