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Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-861, EIA retail sales · How we got these numbers · Report an error

Black Hills Power, Inc. in South Dakota: 14.37 ¢ home rates in 2024, SAIDI and solar

Roughly 74,842 South Dakota accounts belong to Black Hills Power, Inc., classed by EIA as investor owned; the residential count is 60,951. Its home price sits 11.8% over the South Dakota average and ranks 4th of 4 among larger utilities.

Black Hills Power, Inc.: 767 kWh a month costs roughly $110 in energy at 14.37 ¢/kWh, +11.8% on the South Dakota average of 12.86 ¢.

Its home price sits 11.8% over the South Dakota average and ranks 4th of 4 among larger utilities.

Black Hills Power, Inc. on price: 11.8% over South Dakota

Home price against South Dakota
+11.8%4th place of 4, cheapest first

Home price is where Black Hills Power, Inc. departs furthest from the South Dakota pattern: 14.37 ¢ against a state average of 12.86 ¢, 4th place of 4 among South Dakota utilities with 20,000+ homes. The cheapest of those is Southeastern Electric Coop Inc at 12.41 ¢ (-1.97 ¢ from here), the most expensive Black Hills Power, Inc. at 14.37 ¢ (+0.00 ¢).

A home using 767 kWh a month pays about $110 in energy here; at the South Dakota average the same use would cost $99, a difference of +$12 a month.

How it compares

Black Hills Power, Inc.
Black Hills Power, Inc., 2024HomeBusinessBillSAIDI
Black Hills Power, Inc.14.37 ¢/kWh13.18 ¢/kWh$110at 767 kWh57 minSAIDI
South Dakota average against this company, which is 4 of 4 on priceLowest in this table-1.51 ¢/kWhcompany 11.8% above-2.63 ¢/kWhcompany 24.9% above-$12a month at 767 kWh+0 mincompany 0 below
Sioux Valley SW Elec Coop12.94 ¢/kWhcompany 11.1% above15.64 ¢/kWhcompany 15.7% below$99$11 less than company71 mincompany 14 below

Compare 15 South Dakota companies

Black Hills Power, Inc.: 2025

No 2025 early-release row for Black Hills Power, Inc.; 2024 stays the latest year.

Black Hills Power, Inc. 2024 against South Dakota 2025
+1.05 ¢14.37 ¢ for Black Hills Power, Inc. in 2024, 13.32 ¢ for South Dakota in 2025

Black Hills Power, Inc. has no 2025 early-release row; for its 60,951 home accounts the latest year is 2024, at 14.37 ¢/kWh and 57 SAIDI minutes.

Carbon context

Black Hills Power, Inc. serves 60,951 homes in South Dakota. At 767 kWh a month that is about 116 kg of CO₂, or 1,394 kg a year, at the South Dakota plant rate, state generation and not this utility: South Dakota generation mix.

Black Hills Power, Inc. charts

Residential price since 2015: 14.37 ¢ in 2024

13.99 ¢ in 2015, 14.37 ¢ in 2024 (+2.7%); South Dakota 11.08 to 12.86 ¢.

Black Hills Power, Inc. residential price 2015-2024, 2015 to 2024: 10 rows
YearBlack Hills Power, Inc.Gap to South Dakota residentialGap to U.S. residential
201513.99+2.91+1.34
201613.89+2.42+1.34
201713.86+2.09+0.97
201813.81+2.22+0.94
201913.15+1.60+0.14
202013.37+1.62+0.22
202115.15+2.93+1.49
202213.92+1.83-1.12
202313.67+1.35-2.33
202414.37+1.51-2.11

10 rows from EIA retail sales.

CSV

Black Hills Power, Inc. SAIDI, 2015-2024

80 min in 2015, 57 in 2024.

Black Hills Power, Inc. SAIDI by year, 2015 to 2024: 10 rows
YearBlack Hills Power, Inc., no major eventsBlack Hills Power, Inc., all events
20158099
20167888
20177078
20186478
201972159
202058130
202153113
20226586
20234350
20245757

10 rows from EIA-861 survey.

CSV

Reliability: SAIDI 57.4 min

57.4 min, 0.58x the median reporter, rank 188 of 673.

min

  • Company, no major events57.4
  • Company, with major events57.4

Black Hills Power, Inc., Reliability: EIA-861 survey.

CSV

Analyst note

Black Hills Power, Inc. billed homes 13.99 ¢/kWh in 2015 and 14.37 ¢ in 2024, +2.7% in all, and lagged the South Dakota average (+16.1%) by 13.3 points. Black Hills Power, Inc.'s sharpest move came in 2021, +13.3%. The high is 15.15 ¢ (2021) and the low 13.15 ¢ (2019). 2024: +5.2% here, +4.4% for the South Dakota average. SAIDI at Black Hills Power, Inc. (major events excluded) fell from 80 minutes in 2015 to 57 in 2024, -28%; best year 2023 at 43. Black Hills Power, Inc. filed SAIDI under the national median in 10 of 10 years; its 2024 figure was 57 minutes, -42 from that year's median. 2019: 159 minutes with major events, 72 without, the widest gap of any year. Black Hills Power, Inc. has 3 cheaper and 0 higher-priced South Dakota peers among 4 with 20,000+ homes. Next cheaper, Sioux Valley SW Elec Coop, bills 12.94 ¢ (-1.44).

A 11.8% premium to South Dakota, partly matched by a 57-minute outage figure that beats the national median.

Home accounts at Black Hills Power, Inc. went from 54,809 in 2015 to 60,951 in 2024, +11.2%. Business customers paid 0.92 times the home price in 2024 (13.18 against 14.37 ¢); the ratio was 0.90 in 2015. SAIFI went from 0.94 in 2015 to 0.86 in 2024, between 0.62 and 1.33.

What kind of utility is Black Hills Power, Inc.?

Black Hills Power, Inc. files with EIA as an investor-owned utility. In South Dakota, investor-owned utilities serve 64% of residential customers at an average 13.4 cents per kWh. Black Hills Power, Inc. itself averaged 14.4 cents, 1.0 cents above its type in South Dakota.

South Dakota utilities by type · all states

Reliability and meters, 2024

In 2024 the average Black Hills Power, Inc. customer was without power 57 minutes without major events and 57 with them. That is 4th fewest of 9 South Dakota utilities with 10,000+ customers. The median South Dakota utility reported 64 minutes. Smart (AMI) meters: 100% of its 60,951 residential meters.

EIA-861 2024, retrieved 2026-10-01. South Dakota reliability, best and worst utilities, utility report card.

Facts

Customer accounts
74,84214.5% of South Dakota total
Residential accounts
60,95114.1% of South Dakota homes
Commercial accounts
13,88518.6% of the base
Residential rate
14.37 ¢/kWh4th place of 4, +11.8% against the state
Commercial rate
13.18 ¢/kWh7th place of 9, +24.9% against the state
SAIDI, no major events
57.4 minbetter than 72% of reporters
SAIFI, no major events
0.860.85x the median
SAIDI with major events
57.4 min0.0% from event days
Net-metered capacity
2.1 MW248 installations
Counties served
6South Dakota plus 2 more
Average residential use
9,201 kWh/yr767 a month
Implied monthly bill
$110-$16 on the U.S. rate, 767 kWh
Residential rate since 2015
+2.7%13.99 to 14.37 ¢/kWh
SAIDI trend
-28%80 min in 2015, 57 in 2024

Data tables

2024 by sector, Black Hills Power, Inc.

Black Hills Power, Inc. sectorAccountsRate ¢/kWhGap to South Dakota ¢/kWh
Residential60,95114.37+1.51
Commercial13,88513.18+2.63

Year by year, Black Hills Power, Inc.

YearHome accounts, Black Hills Power, Inc.Home ¢Business ¢RatioSAIDISAIFI
201554,80913.9912.630.90800.94
201655,63713.8912.390.89780.95
201756,43013.8612.480.90701.07
201856,83513.8112.640.92640.83
201957,17813.1511.990.91721.33
202057,62613.3712.150.91580.71
202158,08315.1513.700.90530.62
202258,89213.9212.950.93650.80
202359,75613.6712.460.91430.72
202460,95114.3713.180.92570.86

Peers of Black Hills Power, Inc. in South Dakota, 4th place of 4 on home price

Utility near Black Hills Power, Inc. on priceSAIDI min, gap to Black Hills Power, Inc.Home ¢, gap to Black Hills Power, Inc.Gap % to Black Hills Power, Inc.Accounts, Black Hills Power, Inc. = 1
1. Southeastern Electric Coop IncNo data-1.97-13.7%0.31
2. NorthWestern Energy+9-1.81-12.6%0.87
3. Sioux Valley SW Elec Coop+14-1.44-10.0%0.34
4. Black Hills Power, Inc. (this utility)5714.37-1.00

Who buys Black Hills Power, Inc.'s electricity

Class at Black Hills Power, Inc.AccountsOf Black Hills Power, Inc. accountsOf Black Hills Power, Inc. MWh soldkWh a year per Black Hills Power, Inc. account
Residential60,95181.4%36.6%9,201
Commercial13,88518.6%50.9%56,161
Industrial and other60.01%12.5%31,987,667

Black Hills Power, Inc. among Black Hills group

Black Hills Power, Inc. and its neighbours on priceSAIDI min, gap to Black Hills Power, Inc.Home ¢, gap to Black Hills Power, Inc.Accounts, Black Hills Power, Inc. = 1
1. Black Hills Power, Inc. (SD, this utility)5714.371.00
2. Cheyenne Light Fuel & Power (WY)-24+2.590.61
3. Black Hills Colorado Electric, LLC (CO)+44+2.671.36

Black Hills Power, Inc.: meters, rate options and solar

MeasureBlack Hills Power, Inc.South Dakota contextBlack Hills Power, Inc. detail
Black Hills Power, Inc. home meters on AMI100.0%South Dakota 78.5%60,951 of 60,951 meters
Time-of-use rate for Black Hills Power, Inc. homesNot on file5 of 9 South Dakota utilities offer oneno dynamic-pricing count filed by Black Hills Power, Inc.
Net-metered installations24890% residential3.6 homes per 1,000 accounts, 8.6 kW average

Monthly energy cost by use, Black Hills Power, Inc.

kWhShare of a 767 kWh monthCost a month at 14.37 ¢vs U.S.Cost a year
25033%$35.94-$5.26$431
50065%$71.87-$10.53$862
75098%$107.81-$15.79$1,294
1,000130%$143.74-$21.06$1,725
1,500196%$215.61-$31.59$2,587
2,000261%$287.48-$42.12$3,450

Outage record, Black Hills Power, Inc.

Measure, Black Hills Power, Inc.No eventsAll eventsConverted
SAIDI minutes57.457.40.96 h
SAIFI interruptions0.8650.8651.16 yr apart
CAIDI minutes66.366.31.11 h

Territory of Black Hills Power, Inc.

6 South Dakota counties plus 2 other states, region WECC:

Counties served by Black Hills Power, Inc.Powder RiverCarterCampbellCrookWestonFall RiverLawrencePenningtonCusterMeadeButte

South Dakota other states: 11 of 11 counties of Black Hills Power, Inc. drawn

Black Hills Power, Inc.: 11 counties listed by EIA-861, Census 2023 outlines.

CSV
County list
  • Butte
  • Custer
  • Fall River
  • Lawrence
  • Meade
  • Pennington

Questions on Black Hills Power, Inc.

How big is Black Hills Power, Inc. in South Dakota, by customer accounts?

74,842 accounts in 2024: residential 60,951, commercial 13,885, industrial 6.

How many cents per kWh does Black Hills Power, Inc. charge homes?

In 2024 homes paid 14.37 cents; against the South Dakota average that is +11.8%.

What are the SAIDI and SAIFI of Black Hills Power, Inc.?

SAIDI 57.4 min and SAIFI 0.86 a year, major events excluded; ratio to the national median 0.58, CAIDI 66 min.

How many net-metered systems connect to Black Hills Power, Inc.?

248 installations with 2.1 MW, of which residential installations number 222.

What would a typical Black Hills Power, Inc. home pay each month?

767 kWh at 14.37 cents comes to about $110, energy only.

Is Black Hills Power, Inc. cheaper than other South Dakota utilities?

Rank 4 of 4 in South Dakota on price, +11.8% against the state average; 3 charge less than 14.37 ¢.

What share of Black Hills Power, Inc. sales do homes buy?

Homes take 36.6% of 1,532,560 MWh, commercial accounts 50.9%, industrial and other 12.5%; the 13,885 commercial accounts use 56,161 kWh each, 6.1 times a home.

At Black Hills Power, Inc., are smart meters in homes, with a TOU option?

60,951 of 60,951 home meters are AMI, 100.0%. Black Hills Power, Inc. reports no home time-of-use rate; 5 of 9 South Dakota filers do.

Has Black Hills Power, Inc. moved up the South Dakota price list since 2015?

2nd cheapest of 2 in 2015, 4th of 4 in 2024; its price rose 2.7% while South Dakota rose 16.1%.

How does Black Hills Power, Inc. compare with 2 similar utilities?

Place 1 of 3 on home price at 14.37 ¢ (Black Hills group); median 16.96 ¢, cheapest member 14.37 ¢.

Has Black Hills Power, Inc. filed 2025 data with EIA?

Not yet: 14.37 cents and 57 SAIDI minutes (2024) remain the newest Black Hills Power, Inc. record.

Utilities with a similar home price

Home prices nearest to Black Hills Power, Inc. at 14.37 ¢/kWh in 2024, among companies with a page here, any state.

More on Black Hills Power, Inc.

Rate plans on file

9 home plan records, energy charges: 4.9 to 13.5 ¢/kWh.

Who offers time-of-use and tiered rates (17 Apr 2026 snapshot).

Primary sources for Black Hills Power, Inc. in South Dakota: 14.37 ¢ home rates in 2024, SAIDI and solar

Share this page

Black Hills Power, Inc.: 767 kWh a month costs roughly $110 in energy at 14.37 ¢/kWh, +11.8% on the South Dakota average of 12.86 ¢.

Cite this page

Underlying data are U.S. government works (EIA, Census Bureau). Our tables and charts: CC BY 4.0, credit Electric Consumer. The access date fills in when you open this page.

APA

Electric Consumer. (2026). Black Hills Power, Inc. price vs South Dakota: 14.37 ¢/kWh in 2024, SAIDI 57 min. Data as of 26 October 2026. Retrieved 26 October 2026, from https://electricconsumer.org/companies/black-hills-power-inc.html

MLA

Electric Consumer. “Black Hills Power, Inc. price vs South Dakota: 14.37 ¢/kWh in 2024, SAIDI 57 min.” Electric Consumer, data as of 26 October 2026, https://electricconsumer.org/companies/black-hills-power-inc.html. Accessed 26 October 2026.

Chicago

Electric Consumer. “Black Hills Power, Inc. price vs South Dakota: 14.37 ¢/kWh in 2024, SAIDI 57 min.” Data as of 26 October 2026. Accessed 26 October 2026. https://electricconsumer.org/companies/black-hills-power-inc.html.

BibTeX

@misc{usedata_companies_black_hills_power_inc,
  author = "Electric Consumer",
  title = {Black Hills Power, Inc. price vs South Dakota: 14.37 ¢/kWh in 2024, SAIDI 57 min},
  year = {2026},
  url = {https://electricconsumer.org/companies/black-hills-power-inc.html},
  note = {Data as of 26 October 2026. Accessed 26 October 2026}
}
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