Power Bill Facts

States › South Dakota › Campbell County

Electric utilities serving Campbell County, South Dakota

Utilities that list the county in their Form EIA-861 service territory for 2024, with each one's average price, bill and outage minutes.

Campbell County, South Dakota, appears in the Form EIA-861 service territory of 3 utilities for 2024; Montana-Dakota Utilities Co, Cam Wal Electric Coop, Inc and WAPA: Western Area Power Administration are the largest by residential customers statewide.

Its average residential price was 14.59¢ per kilowatthour, against a South Dakota average of 12.86¢ and a US average of 16.48¢. Each price is the utility's figure for all of its South Dakota customers, not for this county alone.

WAPA: Western Area Power Administration lists the county too but reported no residential sales in South Dakota under its own name.

The median SAIDI they reported was 154.0 minutes per customer including major event days; the median among all South Dakota utilities reporting was 73.7.

The Census Bureau estimates the county's population at 1,377. EIA does not publish customers by county, so which utility serves a given address has to be confirmed with the utility or the state utility commission.

3utilities list the county1 on EIA's short form
14.59¢median of their residential pricesSouth Dakota 12.86¢ · US 16.48¢
$121.53median of their monthly billsSouth Dakota $127.81
154.0median SAIDI minutes, all eventsSouth Dakota median 73.7

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. Figures are for each utility's whole South Dakota operation; EIA publishes nothing at county level.

Utilities and their 2024 figures

UtilityOwnershipResidential customers¢ per kWhMonthly billSAIDI, all eventsSAIDI, no major events
Montana-Dakota Utilities CoInvestor-owned6,36714.59¢$121.53154.0148.0
Cam Wal Electric Coop, Inc short formCooperative2,586————
WAPA: Western Area Power AdministrationFederal—————

Ordered by residential customers in South Dakota. Short-form filers are small utilities that report only totals to EIA, so no residential price is available; their all-sector revenue per kWh was Cam Wal Electric Coop, Inc 13.34¢. A utility with no customers shown reported its retail sales elsewhere or delivers power that other companies bill for.

Against the state and the country

Measure, 2024Utilities listing Campbell CountySouth DakotaUnited States
Average residential price per kWh14.59¢ median12.86¢16.48¢
Average monthly residential bill$121.53 median$127.81$142.26
SAIDI, all events (minutes)154.0 median73.7 median184.5 median
SAIDI, without major event days148.0 median65.1 median99.8 median
Utilities counted3201,413

Outage minutes reported

Montana-Dakota Utilities Co154 min

SAIDI for 2024 across each utility's whole system, including major event days (paler bars: only the figure without major event days was reported). Not a measure of outages in Campbell County itself.

Population: 1,377 (U.S. Census Bureau, Vintage 2025 estimate). Statewide, residential sales came to 5,529 kWh per resident in 2024.

Other South Dakota counties

All 66 counties and every South Dakota utility

Questions and answers

Who provides electricity in Campbell County?

Montana-Dakota Utilities Co, Cam Wal Electric Coop, Inc and WAPA: Western Area Power Administration list the county in their Form EIA-861 service territory for 2024. Territories overlap, and a utility may cover only a corner of the county.

What is the electricity price in Campbell County?

EIA has no county-level prices. The utilities serving the county reported average residential prices of 14.59¢ per kilowatthour across their South Dakota customers in 2024; the state average was 12.86¢.

How reliable is power in Campbell County?

Reliability is reported per utility, not per county. The utilities listed reported a median of 154.0 minutes of interruption per customer in 2024 including major event days and 148.0 minutes excluding them.

Provenance

Source: U.S. Energy Information Administration, Form EIA-861 for 2024, final release: service territory file (counties by utility), sales to ultimate customers, reliability and short form files. State and US averages: Form EIA-861M workbook. Population: U.S. Census Bureau. Public domain. To confirm the utility at an address, ask the utility or the state utility commission.