Power Bill Facts

States › Wyoming

State · 2024 annual, monthly to Jul 2026

Wyoming electricity prices and utilities

286,477 residential customers · 12 utilities and suppliers reporting · price rank 42 of 51, from the highest

US12.47¢ per kWh7.43¢35.66¢
Average residential price, 2024. Dial position: 34% of 1,230 US utilities had this price or lower. Tick: US average.

Households in Wyoming paid an average of 12.47¢ per kilowatthour for electricity in 2024, 24% below the US average of 16.48¢. That ranks 42nd highest of the 50 states and the District of Columbia.

The average residential bill was $107.65 a month on 863 kWh of monthly use (US: $142.26 on 863 kWh), the 48th highest bill. Residential sales came to 5,041 kWh per resident over the year.

In July 2026, the latest month EIA has published, the residential average was 14.36¢, down 1.9% on July 2025; the US figure for the month was 18.31¢. Monthly figures are preliminary until EIA finalises the year.

12 respondents reported residential customers in Wyoming on the full Form EIA-861 for 2024, and 23 smaller utilities filed the short form, which has no residential breakdown. Investor-owned utilities account for 71% of the residential customers reported.

12.47¢residential, per kWh, 2024US 16.48¢ · 1 yr +8.8%
$107.65average monthly residential billon 863 kWh a month
14.36¢residential, July 2026preliminary · US 18.31¢
137.8SAIDI minutes per customer, all events109.1 without major event days

Average price is revenue divided by sales for the sector and year; it is not a tariff rate. Reliability figures are as reported by utilities to EIA on Form 861 and may use different calculation methods. State averages are EIA's own, from Forms EIA-861 and EIA-861M.

Residential price by month

0¢5¢10¢15¢20¢Aug 2020Aug 2021Aug 2022Aug 2023Aug 2024Aug 2025Jul 2026

WyomingUnited States

Cents per kWh, Form EIA-861M. The most recent months are preliminary.

Monthly pages:Jul 2026Jun 2026May 2026Apr 2026Mar 2026Feb 2026Jan 2026Dec 2025Nov 2025Oct 2025Sep 2025Aug 2025Jul 2025Jun 2025May 2025Apr 2025Mar 2025Feb 2025Jan 2025Dec 2024Nov 2024Oct 2024Sep 2024Aug 2024

Year by year

YearResidential ¢US ¢Commercial ¢Industrial ¢Monthly billkWh a month
2026 to Jul 202613.95¢18.19¢9.75¢8.78¢$118.83852
2025 preliminary13.38¢17.30¢9.54¢8.66¢$113.71850
202412.47¢16.48¢9.27¢7.96¢$107.65863
202311.46¢16.00¢8.94¢7.06¢$99.24866
202211.09¢15.04¢9.55¢6.89¢$98.78891
202111.17¢13.66¢9.68¢6.83¢$96.83867
202011.11¢13.15¢9.65¢6.88¢$96.59869
201911.18¢13.01¢9.64¢6.73¢$96.53864
201811.29¢12.87¢9.58¢6.71¢$94.90841
201711.37¢12.89¢9.70¢6.92¢$97.10854
201611.13¢12.55¢9.40¢6.92¢$94.66850
201510.97¢12.65¢9.12¢6.76¢$91.19832
201410.50¢12.52¢8.88¢6.61¢$90.60863
201310.16¢12.13¢8.57¢6.42¢$90.85894

Nominal prices. The five-year change in the residential average is +11.5%. A part-year row covers January to the latest month published, so it is not comparable with full years: winter and summer months weigh differently.

Utilities by average residential price, 2024

Every filing with at least 100 bundled residential customers in Wyoming, highest average price first. Linked utilities have 1,000 or more residential customers. A multi-state utility appears with its Wyoming figures only.

UtilityOwnershipResidential customers¢ per kWhMonthly billSAIDI, all eventsSAIDI, no major events
Yampa Valley Electric Assn IncCooperative56917.50¢$141.83——
Cheyenne Light Fuel & PowerInvestor-owned39,95416.96¢$98.8333.433.4
High West Energy, IncCooperative5,57914.37¢$146.11——
High Plains Power IncCooperative12,76713.71¢$130.41311.5311.5
PacifiCorpInvestor-owned118,13013.44¢$99.3692.192.1
Black Hills Power, Inc.Investor-owned2,01813.13¢$107.542.22.2
NorthWestern Energy LLCInvestor-owned29412.83¢$93.82——
City of GilletteMunicipal13,99012.62¢$111.67—3.7
Montana-Dakota Utilities CoInvestor-owned14,70611.77¢$99.91107.2107.0
Powder River Energy CorpCooperative15,40611.73¢$133.43496.5295.2
Fall River Rural Elec Coop IncCooperative3419.98¢$227.5215.815.8
Lower Valley Energy IncCooperative22,8276.44¢$129.48——

Reliability by utility, 2024

Powder River Energy Corp496.5 min
High Plains Power Inc311.5 min
Montana-Dakota Utilities Co107.2 min
PacifiCorp92.1 min
Cheyenne Light Fuel & Power33.4 min
Fall River Rural Elec Coop Inc15.8 min
City of Gillette3.7 min
Black Hills Power, Inc.2.2 min

SAIDI: minutes of sustained interruption per customer over the year, including major event days (paler bars: the utility reported only the figure without major event days). Median across 8 Wyoming filings: 92.1 minutes with major event days, 62.8 without. EIA's state total: 137.8 and 109.1 minutes, with SAIFI of 1.00 interruptions per customer. Utilities use differing calculation methods, and a single storm can dominate a small utility's year.

YearMedian SAIDI, all eventsMedian SAIDI, no major eventsFilingsEIA state total, all eventsEIA state total, no major events
202492.162.88137.8109.1
2023103.335.48127.096.0
2022166.942.08——
2021122.832.08——
2020204.931.89——
2019188.3176.214——
2018169.0134.211——
2017191.6180.410——
2016197.7148.310——
2015203.2190.610——
2014137.1181.010——
2013163.5178.08——

Sales by sector, 2024

SectorSalesShare¢ per kWh
Residential3 TWh17%12.47¢
Commercial5.3 TWh31%9.27¢
Industrial9 TWh52%7.96¢
All sectors17.2 TWh9.14¢

Residential sales per resident: 5,041 kWh a year, on a Census population estimate of 588,753.

Who serves Wyoming

OwnershipFilingsResidential customersShareMedian ¢
Investor-owned utilities5175,10271%13.13¢
Electric cooperatives657,48923.3%12.72¢
Municipal utilities113,9905.7%12.62¢

Customers as reported by each respondent. Where households buy energy from a retail supplier, the delivery utility and the supplier both report them, so shares describe filings, not households.

Counties

Each county page lists the utilities whose Form EIA-861 service territory includes it.

Questions and answers

What is the average electricity price in Wyoming?

12.47¢ per kilowatthour for residential customers in 2024, against a US average of 16.48¢. Commercial customers averaged 9.27¢ and industrial customers 7.96¢. The latest monthly residential figure is 14.36¢ for July 2026 (preliminary).

What is the average electric bill in Wyoming?

$107.65 a month for residential customers in 2024, on average use of 863 kWh a month. The US average was $142.26 on 863 kWh.

Is electricity getting more expensive in Wyoming?

The average residential price was up 8.8% in 2024 on the year before and up 11.5% on 2019. These are nominal prices, not adjusted for inflation.

How reliable is electric service in Wyoming?

EIA's state total for 2024 is 137.8 minutes of interruption per customer including major event days and 109.1 minutes excluding them, across utilities reporting under any method. The median utility in the state reported 92.1 minutes including major event days.

How many electric utilities serve Wyoming?

12 respondents reported residential customers in Wyoming on the full Form EIA-861 for 2024; 12 of them have a bundled residential price. Another 23 small utilities filed the short form. 23 counties appear in service territories.

Provenance

Source: U.S. Energy Information Administration. State averages, sales and customers by year and month: Form EIA-861M sales and revenue workbook, through July 2026. Utility rows, reliability and service territories: Form EIA-861, 2024 final release. Population: U.S. Census Bureau Vintage 2025 estimates. Public domain. See methodology.