Electricity providers in Waukesha County, Wisconsin
- Annual file
- Form EIA-861, 2024 final
- ZIP Codes in the county
- 28
Providers
| Utility | Type | Residential customers | Average price cents per kWh | Average bill dollars per month | SAIDI minutes, with major event days | SAIDI minutes, without major event days | |
|---|---|---|---|---|---|---|---|
| Wisconsin Electric Power Co | Investor-owned utility | 1,048,148 | 19.23 | $120.21 | 296.0 | 109.0 | Add |
| Oconomowoc Utilities | Municipal utility | 9,972 | 13.75 | $91.97 | 6.0 | 0.0 | Add |
The order is by residential customers in Wisconsin. Each figure is for all customers of the utility in Wisconsin. EIA has no figure for one county.
Average price of electricity to ultimate consumers represents the cost per unit of electricity sold and is calculated by dividing electric revenue from ultimate consumers by the corresponding sales of electricity.
The average price of electricity to ultimate consumers reported in this publication by sector represents a weighted average of consumer revenue and sales, and does not equal the per kWh rate charged by the electric power industry participant to the individual consumers.
EIA's words. Source: U.S. Energy Information Administration, Electric Power Monthly, Technical notes, section "Form EIA-861" (March 2024). "This publication" is the Electric Power Monthly.
In plain words: the average price is revenue divided by sales. It is not the rate on a rate schedule. The annual figures on this page are for 2024. Monthly data through .
Waukesha County beside Wisconsin and the US
Form EIA-861, 2024
| Figure | Utilities that list Waukesha County, median | Wisconsin | United States |
|---|---|---|---|
| Average residential price (cents per kWh) | 16.49 | 17.18 | 16.48 |
| Average monthly bill (dollars per month) | $106.09 | $110.87 | $142.26 |
| SAIDI with major event days (minutes, median of utilities) | 151.0 | 51.0 | 184.5 |
| SAIDI without major event days (minutes, median of utilities) | 54.5 | 32.8 | 99.8 |
| Utilities (number) | 2 | 66 | 1,413 |
2 utilities list Waukesha County in the service territory that they reported to EIA for 2024. The table at the top of this page shows each one.
Their average residential prices were between 13.75 and 19.23 cents per kilowatt-hour (kWh) in 2024.
The Wisconsin average was 17.18 cents per kWh in 2024. The US average was 16.48 cents per kWh. Each price is for all customers of the utility in Wisconsin, not for the county only.
2 of the utilities reported outage minutes (SAIDI) for 2024. With major event days, the median was 151.0 minutes (about 2 hours 30 minutes) for each customer. The median for all Wisconsin utilities was 51.0 minutes.
The Census Bureau estimate of the population of the county is 417,210. EIA has no count of customers for one county. The utility and the state utility commission have the service area for an address.
Outage minutes that the utilities reported
SAIDI, Form EIA-861, 2024
Minutes without power for each customer in 2024, with major event days. A pale bar is the figure without major event days. Each figure is for the whole system of the utility, not for Waukesha County only.
ZIP Codes in Waukesha County
Census 2020 ZIP Code Tabulation Areas
- 53005
- 53007
- 53017
- 53018
- 53029
- 53036
- 53045
- 53046
- 53051
- 53058
- 53066
- 53069
- 53072
- 53089
- 53103
- 53118
- 53119
- 53122
- 53127
- 53146
- 53149
- 53150
- 53151
- 53153
- 53183
- 53186
- 53188
- 53189
A ZIP Code can cross a county line. Each link opens the lookup for that ZIP Code.
Counties near Waukesha County
Counties that share a ZIP Code with Waukesha County
- Dodge County, WI
- Jefferson County, WI
- Milwaukee County, WI
- Racine County, WI
- Walworth County, WI
- Washington County, WI
Next in the list of Wisconsin counties
- Vernon County 8 utilities
- Vilas County 6 utilities
- Walworth County 4 utilities
- Washburn County 7 utilities
- Washington County 3 utilities
- Waupaca County 7 utilities
- Waushara County 5 utilities
- Winnebago County 4 utilities
- Wood County 7 utilities
Official channels
- LIHEAP Clearinghouse: energy assistance office searchThe search page for local offices of the federal Low Income Home Energy Assistance Program (LIHEAP).
- EIA: Form EIA-861 annual data filesThe page of the annual files: revenue, sales, customers, reliability and service territories of each utility.
- EIA: Form EIA-861M monthly data filesThe page of the monthly files: the figures of each state and of the monthly sample of utilities.
EIA lists utilities by county, not by address. The state utility commission and the utilities have the service area maps.
Cite this page
Power Bill Facts. Electricity providers in Waukesha County, Wisconsin. https://powerbillfacts.com/county/wisconsin/waukesha/ Source: U.S. Energy Information Administration, Form EIA-861 (2024), service territory and sales files. Data through . Page made .
Where the figures come from
Source: U.S. Energy Information Administration, Form EIA-861 for 2024, final release: service territory, sales, reliability and short form files. State and US averages: Form EIA-861M workbook. Population: U.S. Census Bureau, Vintage 2025. ZIP Codes: Census 2020 ZIP Code Tabulation Area to county relationship file. These are US government works in the public domain.
Questions about electricity in Waukesha County
- Which utility for Waukesha County has the most customers?
- Wisconsin Electric Power Co had 1,048,148 residential customers in Wisconsin in 2024. That is the largest number among the 2 utilities. The number is for the state. EIA has no number for one county.
- What is the average monthly bill of the utilities for Waukesha County?
- The average monthly bills of the utilities were between $91.97 and $120.21 in 2024. The Wisconsin average was $110.87. The US average was $142.26.
- How many minutes without power did the utilities for Waukesha County report?
- 2 utilities on the list reported outage minutes for 2024. Without major event days, the median was 54.5 minutes for each customer. With major event days, the median was 151.0 minutes (about 2 hours 30 minutes). Each figure is for the whole system of a utility, not for the county only.
- How many ZIP Codes are in Waukesha County?
- 28 ZIP Code areas have land in Waukesha County, from the Census Bureau file for 2020. A ZIP Code can cross a county line. The ZIP Code lookup on the home page shows the utilities for one ZIP Code.